CN1769938A - Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component - Google Patents
Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component Download PDFInfo
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- CN1769938A CN1769938A CNA2005101201386A CN200510120138A CN1769938A CN 1769938 A CN1769938 A CN 1769938A CN A2005101201386 A CNA2005101201386 A CN A2005101201386A CN 200510120138 A CN200510120138 A CN 200510120138A CN 1769938 A CN1769938 A CN 1769938A
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- optical
- letters
- function portion
- linking part
- sidelight
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- 230000006854 communication Effects 0.000 title claims abstract description 19
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- 238000010168 coupling process Methods 0.000 title abstract 3
- 238000005859 coupling reaction Methods 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims description 56
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 11
- 239000011159 matrix material Substances 0.000 claims description 9
- 239000000470 constituent Substances 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 230000027455 binding Effects 0.000 claims description 5
- 238000009739 binding Methods 0.000 claims description 5
- 230000006870 function Effects 0.000 description 120
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- 230000005540 biological transmission Effects 0.000 description 15
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- 230000003321 amplification Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
An optical coupling component for use in an optical communication connector is provided which comprises a pair of columnar sending side and receiving side optical functional sections and a joint section integrally molded with the optical functional sections and made from the same material as the material of the optically functional sections and having joint regions adjoining the side walls of the optical functional sections, the joint regions of the joint section having a circumferential length along the side walls of the optically functional sections of the optically functional sections.
Description
Technical field
The present invention relates to seek in the transmission efficiency that improves luminous power, reduce and crosstalk, connect the bidirectional optical of optical bond between light-emitting component and light receiving element and the optical fiber with the optics bonded block and use the optical connector of this bonded block,
Background technology
The optical plug of optical fiber is installed and two-way communication is installed and use the optical connector of optics bonded block and light-emitting component and light receiving element chimeric mutually, connect on the optics, constitute the bidirectional optical connector.
As prior art, in (the distribution on November 2nd, 2000 of the open 2000-304980 communique of Japan's patented claim, below be called document 1), and the open 2001-133665 communique of Japan's patented claim (distribution on May 18 calendar year 2001, below be called document 2) in disclose, utilize linking part will deliver letters side with and the optical function portion that uses of collection of letters side connect, with two-way communication with incorporate optical bond parts and the optical connector that uses it.
But the optical bond parts of these documents 1 and document 2 are a pair of tubular protection sleeve of the one two look moulding material different with them in a pair of optical function portion and the parts of linking part, and its manufacturing cost raises.
In addition, have as the non-known technology of developing in the company by present assignee formerly, the optical connector of opening the monomer that is shown in the patented claim 2004-260882 of Japan number (on September 8th, 2004 application, below be called non-known patent documentation 3) and the foreign applications such as the U.S. corresponding and incorporate smooth bonded block and using this bonded block with it.
To open the non-known technology formerly that is shown in integrated bidirectional communication usefulness optics bonded block in the above-mentioned non-known document 3 with reference to Figure 12,13 explanations.
In Figure 12,13, the 107th, bidirectional optical connects the optical bond parts of usefulness, in this non-known document 3, because it is known as cartridge unit, so use identical address to describe.
Shown in Figure 13 A～13E, this cartridge unit 107 has: the cylindric sidelight of delivering letters learns function portion 181 and collection of letters sidelight is learned function portion 182; The sidelight of delivering letters is learned the location of function portion 181 and the side sleeve 173 of delivering letters of protection; The sidelight of collecting mail is learned the location of function portion 182 and the collection of letters side sleeve 174 of protection; The sidelight of delivering letters is learned function portion 181 and the collection of letters sidelight function portion 182 mutual linking parts 170 that link combinations; The curling sidelight of delivering letters is learned the side flange 171 of delivering letters of the light-emitting component side end 181a of function portion 181; The collection of letters sidelight that curls is learned the collection of letters side flange 172 of the light receiving element side end 182a of function portion 182.These linking parts 170, optical function portion 181,182, sleeve 173,174, flange 171,172 synthetic resin with light transmission (for example propylene material etc.) are starting material, one-body molded manufacturing.
Use the connector 101 that this cartridge unit 107 is arranged with reference to Figure 12～14 explanations.
In Figure 12, the 110th, jack has sidewall 102 and diapire 103.In the optical plug housing recess 102a in being formed at jack 110 sidewalls 102, be provided with optical fiber admission extinguisher 111 and the collection of letters optical fiber admission extinguisher 112 of delivering letters cylindraceous from diapire 103 is upright integratedly abreast along sidewall 102.Lateral surface (among Figure 12 A, at the downside of diapire 103) at diapire 103 is formed with hole 113a, the 113b that is communicated with deliver letters optical fiber admission extinguisher 111 and collection of letters optical fiber admission extinguisher 112, and is formed with optical bond member storage recess 113.
The 104th, radome is divided into two parts (about among Figure 12 A being) by next door 140, has the element incorporating section 140 of downside of receiver member support 105 and the jack incorporating section 142 of taking in the upside of jack 110.Its central portion is formed with opening 140a, 140b on the next door 140.In element bracket 105, suitably take in light-emitting component 161 and light receiving element 162.
In Figure 12 A, the optical fiber of delivering letters 131 is inserted in the optical plug housing recess 102a of jack 110 from upside, is fixed on the optical fiber admission extinguisher 111 of delivering letters via the optical fiber lasso 121a that delivers letters is chimeric.On the other hand, collection of letters optical fiber 132 similarly from upside via collection of letters optical fiber lasso 122 chimeric being fixed on the collection of letters optical fiber admission extinguisher 112.
Cartridge unit 107 (is the diapire downside) from the outside of diapire 103 by hole 113a side sleeve 173 chimeric being positioned in the side admission extinguisher 111 of delivering letters of will delivering letters Figure 12 A, simultaneously, with the outside of transfer layer sleeve 174 samples from diapire 103 is positioned in the collection of letters side admission extinguisher 112 by hole 113b is chimeric, shown in Figure 12 B, linking part 170 is accommodated in the recess 113.At this moment, deliver letters side flange 171 and collection of letters side flange 172 is more outstanding toward the outer side than the surface of diapire 103 (being downside among Figure 12 B).
As seeing the Figure 14 that sleeve 107 is embedded in the state of jack 110 from cartridge unit 107 sides, recess 113 has and the outer shape of cartridge unit 107 (shape that forms by flange 171,172 and linking part 170) corresponding shape roughly.In this embodiment, be formed with three prominent bars 114 in the interior sidewall surface of this recess 113, it is planar that the section of this prominent bar constitutes hemisphere, extends to form along the depth direction of recess 113.
At this, be incorporated with cartridge unit 107, the jack 110 of the optical fiber of delivering letters 131 and collection of letters optical fiber 132 is accommodated in the upside jack incorporating section 142 of radome 104, deliver letters side flange 171 and collection of letters side flange 172 inserts via opening 140a, the 140b in next door 140 in the downside element bracket incorporating section 141 of receiver member support 105, and end 181a, the 182a of optical function portion 181,182 constitutes the state relative with light-emitting component 161 and light receiving element 162.
At this, the light signal of delivering letters that penetrates from light-emitting component 161 incides on the light-emitting component side end 181a of the sidelight function portion 181 of delivering letters.Be formed with collimation lens 181b owing to learn the front end (being the lower end among Figure 13 C) of the end 181a of function portion 181 at the sidelight of delivering letters, so the light signal of delivering letters of incident is learned in the function portion 181 at the sidelight of delivering letters via this collimation lens 181b and is propagated, via the collimation lens 181d outgoing that is formed at optical fiber 181c front end (being the upper end among Figure 13 C), incident converges to the sidelight of delivering letters and learns 131 core body end face.After this, light signal is sent to the outside via the optical fiber 131 of delivering letters.
And, on the contrary, the collimation lens 182d that the collection of letters light signal that receives from the outside via collection of letters optical fiber 132 forms via the optical fiber side end 182c front end of learning function portion 182 at collection of letters sidelight (being the upper end among Figure 13 C) incides collection of letters sidelight and learns in the function portion 182, and incides on the light receiving element 162 via the collimation lens 182b of light receiving element side end 182a front end (being the lower end among Figure 13 C) and to be received.
In above cartridge unit 107, the light signal of delivering letters that penetrates from light-emitting component 161 incides in the sidelight function portion 181 of delivering letters, optical fiber 131 is sent the outside via delivering letters, on the other hand, also easily enter in the linking part 170 that utilizes the optical material formation identical with optical function portion, from here to external leaks, produce the problem that the transmission loss of light brings.Inciding collection of letters sidelight from the outside via collection of letters optical fiber 132 learns on the collection of letters light signal in the function portion 182 and also produces same problem of leaking.
In addition, in above-mentioned cartridge unit 7, sidelight function portion 181 and collection of letters sidelight are learned function portion 182 via linking part 170 bindings owing to deliver letters, event leaks on the linking part 170 from the part of the light signal of delivering letters that light-emitting component 161 penetrates, this linking part and outside upper and lower interface reflection between the gas, shown in the arrow of Figure 12 B, also produce via the pathway of crosstalking and leak into cross-interference issue on the light receiving element 162 of local exchange.
Summary of the invention
The objective of the invention is to, provide bidirectional optical to connect with optics bonded block and the optical connector that uses this bonded block, in the transmission efficiency that improves luminous power, reduction is crosstalked.
For realizing such purpose; the present invention obtains a pair of optical function portion of used in bidirectional optical communication and the optical bond parts after the integrated formation of linking part; optical function portion is in textural element function, in addition (linking part or positioning element or guard block etc.) of guiding path of light; with engage with optical function portion, with respect to the side of optical function portion with as far as possible little area combination.
Promptly, the side of learning function portion and collection of letters sidelight function portion with respect to the cylindric sidelight of delivering letters is one-body molded by the linking part that the constituent material identical materials with optical function portion constitutes, at this moment, linking part has the half cycle of cylindrical section with interior circumferential length with respect to the engaging zones that the side of cylindric optical function portion joins.
At this; As first technical scheme; Connector for bidirectional optical communication optics bonded block is provided; It has makes the cylindric sidelight of delivering letters that is made of the translucent synthetic resin material learn function part and cylindric collection of letters sidelight is learned a pair of that function part consists of; And linking part one-body molded with these optical function sections and that all-in-one-piece has the material identical with the constituent material of optical function section to consist of with these mutual mechanical bond of optical function section; With optical bond between optical element and the optical fiber; It is characterized in that
Linking part has matrix part and links the end, and the length that has a half cycle that constitutes columned optical function portion with the engaging zones that is connected the end that side with respect to described a pair of cylindric optical function portion joins respectively is with the circumferential length of interior described columned optical function portion.
As second technical scheme, the optics bonded block is used in described optical communication connection as first technical scheme, it is characterized in that the width H of the above-below direction that the engaging zones of the binding end of linking part has is littler than the width M of the above-below direction of linking part.
As the 3rd technical scheme, as the described optical communication connection of first or second technical scheme optics bonded block, form the otch of V word shape at the central portion of the matrix part of linking part, the summit of otch forms deeplyer than the horizontal level of the straight line that links two optical function subordinate sides.
As the 4th technical scheme, the optics bonded block is used in described optical communication connection as first or second technical scheme, and is at the central portion of linking part, from the otch of upside and downside both sides formation U word shape, chimeric fixing at the linking part central portion with respect to jack.
As the 5th technical scheme, optical connector is provided, it is characterized in that having: light-emitting component and light receiving element; Each described optical bond parts of claim 1～4; Connect body, it installs described light-emitting component and light receiving element and optical bond parts, and the sidelight of delivering letters of above-mentioned optical bond parts learns function portion and collection of letters sidelight is learned the light combination respectively between optical fiber and collection of letters optical fiber and described light-emitting component and the light receiving element of delivering letters that function portion will be installed on optical plug.
Technique effect
Bidirectional optical of the present invention connects with in the bonded block, learn the one-body molded linking part that constitutes by constituent material identical materials of function portion and cylindric collection of letters sidelight function portion with respect to the cylindric sidelight of delivering letters with optical function portion, engage two optical function portions via this linking part, obtain one-piece type optical bond parts.In this situation, linking part is little with respect to the area of the optical bond parts that the area of the engaging zones of the engage sides of cylindric optical function portion obtains than private technology formerly, thus, restrains the light quantity of leaking via linking part, improves the transmission efficiency of light.The optical communication that this deliver letters side and collection of letters side according to the present invention are one is connected uses the optics bonded block, learns function portion from the sidelight of delivering letters the light of delivering letters that linking part enters is tailed off, and crosstalks thereupon and also reduces.
Description of drawings
Fig. 1 is the figure of first embodiment of explanation optical bond parts, and Figure 1A is a planimetric map, and Figure 1B is a front view (FV), and Fig. 1 C is a stereographic map, and Fig. 1 D is that key element is separated stereographic map, and Fig. 1 E is an outboard profile;
Fig. 2 is the figure of the variation of explanation first embodiment shown in Figure 1, and Fig. 2 A is a planimetric map, and Fig. 2 B is a front view (FV), and Fig. 2 C is a stereographic map, and Fig. 2 D is an outboard profile;
Fig. 3 is the figure of second embodiment of explanation optical bond parts;
Fig. 4 is the figure of the variation of explanation second embodiment shown in Figure 3, and Fig. 4 A is a planimetric map, and Fig. 4 B is a front view (FV), and Fig. 4 C is a stereographic map, and Fig. 4 D is an outboard profile;
Fig. 5 is the figure of other variation of explanation second embodiment shown in Figure 3;
Fig. 6 is the figure of the 3rd embodiment of explanation optical bond parts, and Fig. 6 A is a planimetric map, and Fig. 6 B is a front view (FV), and Fig. 6 C is a stereographic map, and Fig. 6 D is an outboard profile;
Fig. 7 is the figure of the variation of explanation the 3rd embodiment shown in Figure 6, and Fig. 7 A is a planimetric map, and Fig. 7 B is a front view (FV), and Fig. 7 C is a stereographic map, and Fig. 7 D is an outboard profile;
Fig. 8 is explanation with pack into the figure of the state behind the jack of optical bond parts, the part that the circle among the presentation graphs 11B surrounds.Fig. 8 A is to use the example of optical connector of the optical bond parts of first embodiment, and Fig. 8 B is to use another example of the optical bond parts of Fig. 8 A being implemented the optical connector of distortion;
Fig. 9 is the figure of the 4th embodiment of explanation optical bond parts, and Fig. 9 A is a planimetric map, and Fig. 9 B is a front view (FV);
Figure 10 is the figure of the state of the one-piece type optics bonded block assembling of the use of explanation first embodiment shown in Figure 1 optical connector, and Figure 10 A is the figure of the state before the explanation assembling optical connector, and Figure 10 B is the key diagram after the assembling;
Figure 11 is the figure of jack of the chimeric one-piece type optics bonded block of explanation first embodiment shown in Figure 1, Figure 11 A is the front view (FV) of seeing from the optical fiber side, Figure 11 B is the front view (FV) of seeing from insertion optical bond component side, and Figure 11 C is a stereographic map, and Figure 11 D is an outboard profile;
Figure 12 is the figure of the private technology formerly of explanation, and Figure 12 A is the figure of the used in bidirectional optical communication one-piece type optics bonded block assembling optical connector state before of explanation priority of use technology, and Figure 12 B is the key diagram after the assembling;
Figure 13 is the figure of one of the one-piece type optics bonded block of explanation non-public technology formerly shown in Figure 12 example, and Figure 13 A is a planimetric map, and Figure 13 B is a front view (FV), and Figure 13 C is the figure of the section of dotted portion among the presentation graphs 13B, and Figure 13 D is an outboard profile, and Figure 13 E is a stereographic map;
The figure of the state of Figure 14 after to be explanation be assembled into the one-piece type optics bonded block of Figure 12 and non-public technology formerly shown in Figure 13 on the jack.
Embodiment
First embodiment with reference to Fig. 1 illustrates the optimum embodiment that is used to carry out an invention.Figure 1B is the front view (FV) with optical bond parts of linking part and optical function portion, and Figure 1A is the planimetric map of seeing from the top, and Fig. 1 E is the outboard profile of seeing from the side, and Fig. 1 C, 1D are stereographic maps.
Among Fig. 1,9 expression bidirectional opticals connect the optical bond parts of usefulness.The columned sidelight of delivering letters that this optical bond parts 9 utilize the synthetic resin by light transmission to constitute is learned function portion 81, columned collection of letters sidelight and is learned function portion 82, the linking part 90 of this two optical functions portion mechanical bond one is constituted.In addition, this linking part is used for mechanical bond, but since one-body molded with optical function portion by identical material, so also carry out optical bond, cause the light transmission efficiency to reduce.
The light signal of delivering letters that produces from light-emitting component (not shown) incides the side end (light-emitting component side end 81a) that the sidelight of delivering letters is learned function portion 81, propagate therein, penetrate from end side (optical fiber one side end 81c), send the outside via the optical fiber of delivering letters (not shown).The collection of letters light signal that receives from the outside via collection of letters optical fiber (not shown) incides the side end (optical fiber one side end 82c) that collection of letters sidelight is learned function portion 82, penetrate from end side (light receiving element side end 82a), incide on the light receiving element (not shown) and be received.
Linking part 90 has matrix part 90 ', with linking part end 91,91 ' with engaging zones 91a, 91a ' of engaging with the left and right sides sidepiece one of deliver letters sidelight function portion 81 and collection of letters sidelight function portion 82, and have with linking part 90 whole relatively after the jacks of explanation be pressed into fixing fixed part 92,92 ' and the matrix part 90 ' of linking part go up V-shape that mass excision forms cut 93.At this, linking part 90 has thickness E (with reference to Fig. 1 C, 1E), linking part end 91,91 ' has " the width H of above-below direction ", this width H is designed to littler than the above-below direction width M of linking part 90 ', also learn the diameter of function portion 81 than the cylindric sidelight of delivering letters and diameter that collection of letters sidelight is learned function portion 82 little.In addition, if each central shaft extending direction of two optical function portions 81,82 is the x axle, the direction vertical with each central shaft is the y axle in the plane of containing two central shafts, with the direction perpendicular to this x axle and y axle is the z axle, the thickness E of above-mentioned linking part 90 is meant the length of X-direction, and " the width H of above-below direction " is meant the axial length of z (with reference to Figure 1B, Fig. 1 C).
Among the present invention importantly, the linking part end 91,91 ' of linking part 90 has engaging zones 91a, 91a ' (the in fact integrated formation that the side with columned optical function portion 81,82 joins, but can imagine and to exist engaging zones), this engaging zones be the circumferential length (among Figure 1B, Fig. 1 C, Fig. 1 D from the A point to the B point or circular-arc length) of the side 4 area surrounded, columned optical function portion of A-B-B ' among Fig. 1 D-A ' from A ' to B ' on the side of above-mentioned optical function portion its circumferentially the formation half cycle with interior length.
In addition, the depth D of seeing along cut-out direction from the last end line K of the linking part 90 of otch 93 (with reference to Figure 1B) forms than linking the sidelight of delivering letters and learns function portion 81 and collection of letters sidelight to learn the horizontal level (level) of line L (with reference to Fig. 1 E) of lowest end of function portion 82 dark.
As above, optical bond parts of the present invention have the linking part end 91 of linking part 90,91 ' with respect to cylindric optical function portion 81,82 side is in the half cycle of the cylindrical section structure with interior joint, and the structure that the optical bond parts in the private technology formerly that illustrates previously engage in full week with respect to the side of columned optical function portion for its linking part, compare both, the present invention compares with technology formerly, linking part can further be cut down the engaging zones of optical function portion, the light quantity of leaking via linking part can further be suppressed, and the transmission efficiency of light can be further improved.And, the degree of depth of seeing from linking part 90 upper ends of otch 93 forms to such an extent that be deeper than and link the sidelight of delivering letters and learn function portion 81 and collection of letters sidelight to learn the horizontal level of lowest end of function portion 82 dark, thus, learn function portion 81 from the sidelight of delivering letters and leak into of the leakage pathway prolongation of the light of linking part 90 to collection of letters sidelight function portion 82, decay in diffusion and the propagation in linking part 90, crosstalk (crosstalk) reduces.
With reference to Fig. 8 A, Figure 10 and Figure 11 the embodiment of the two-way communication of the optical bond parts formation of using this first embodiment with optical connector is described.
Fig. 8 A is the front view (FV) of the face 3 relative with optical element (inserting a side of optical bond parts) of jack 10, is the figure of the state of explanation behind the optical bond parts 9 that first embodiment is installed on this face 3.
The structure correspondence of the Figure 14 that uses in the explanation of the disclosed technology formerly of this right and wrong, combination radome 4 (being equivalent to 104 of Figure 12, not shown) on such jack 10, and finish connector 1.
Figure 10 is the explanation sectional view (section with reference to Fig. 8 A) of two-way communication of the present invention with the assembled state of optical connector.
Figure 11 is the figure of expression two-way communication of the present invention with the jack 10 of optical connector 1.
Lateral surface (being diapire 3 downsides among Figure 10 A) at diapire 3 is formed with the hole 13a, the 13b that are communicated with deliver letters optical fiber admission extinguisher 11 and collection of letters optical fiber admission extinguisher 12, also is formed with optical bond member storage recess 13.(with reference to Fig. 8 A and Figure 10 A)
The 4th, radome is divided into two parts (about among Figure 10 A being) by next door 40, has the downside element incorporating section 41 of receiver member support 5 and the jack incorporating section 42 of taking in the upside of jack 10.Its central portion is formed with opening 40a, 40b on the next door 40.Within element bracket 5, suitably take in light-emitting component 61 and light receiving element 62.
In Figure 10, the optical fiber of delivering letters 31 is inserted in the optical plug housing recess 2a of jack 10, via the optical fiber lasso 21 chimeric optic fibre hole 11a that are fixed in the optical fiber admission extinguisher 11 of delivering letters that deliver letters from upside.On the other hand, collection of letters optical fiber 32 is similarly via the collection of letters optical fiber lasso 22 chimeric optic fibre hole 12a that are fixed in collection of letters optical fiber admission extinguisher 12.
In the jack 10 of the present invention, be located at the diameter that hole 13a, 13b on the diapire 3 has the optical function portion 81,82 of enough insertion optical bond parts 9, its front end is communicated with formation with optic fibre hole 11a, 12a.
The sidelight of delivering letters of optical bond parts 9 shown in Figure 1 is learned the optical fiber side end 81c of function portion 81 in the outside (being the downside of diapire 3 Figure 10) the patchhole 13a of diapire 3,81d positions to its front end, make itself and the optical fiber 31 relative (with reference to Figure 10 B) of delivering letters that is embedded in the side admission extinguisher 11 of delivering letters, simultaneously, collection of letters sidelight is learned the optical fiber side end 82c of function portion 82 equally in the outside patchhole 13b of diapire 3,82d positions to its front end, make it relative with the collection of letters optical fiber 32 that is embedded in collection of letters side admission extinguisher 12, shown in Fig. 8 A and Figure 10 B, the linking part 90 of optical bond parts 9 is installed on the recess 13.
The diapire 3 of jack 10 has teat 3a, 3b in the outside on its surface (being downside among Figure 10 A).This teat 3a, 3b only with the scope of its half cycle surround respectively the light-emitting component side end 81a of optical function portion 81 and optical function portion 82 light receiving element side end 82a cylindric periphery and form (with reference to Fig. 8 A, 10B, 11C).
With jack 10 and radome 4 when chimeric, the light-emitting component side end 81a of the optical function portion 81,82 that teat 3a, 3b are surrounded, and light receiving element side end 82a insert respectively in the opening 40 be located on the radome 4, the 40b, its front end 81b, 82b are positioned, make it relative with light-emitting component 61, light receiving element 62.
Shown in Fig. 8 A of the expression state that optical bond parts 9 and jack 10 is chimeric, recess 13 has and the outer shape of optical bond parts 9 corresponding shape roughly.In this embodiment, be formed with six prominent bars 14 in the interior sidewall surface (thick line is represented among Fig. 8 A) of this recess 13, it is planar that the section of this prominent bar constitutes hemisphere, extends to form along the depth direction (being the direction vertical with paper among Fig. 8 A) of recess 13.
At this, the light signal of delivering letters that penetrates from light-emitting component 61 incides on the light-emitting component side end 81a of the sidelight function portion 81 of delivering letters.Because the front end at this end 81a is formed with collimation lens (collimatorlense) 81b, so the light signal of delivering letters of incident is assembled by this collimation lens 81b, learn propagation in the function portion 81 at the sidelight of delivering letters, the collimation lens 81 of the front end by being formed at optical fiber side end 81c is understood coalescence and is penetrated, and incides the core body end face of the optical fiber 31 of delivering letters.After this, the light signal of delivering letters is sent the outside via the optical fiber 31 of delivering letters.
On the contrary, the collection of letters light signal that receives from the outside via collection of letters optical fiber 32 is learned the collimation lens 82d of front end of the optical fiber side end 82c of function portion 82 and is assembled and incide collection of letters sidelight and learn in the function portion 82 via being formed at collection of letters sidelight, can coalescence penetrate by the collimation lens 82b that is formed at light receiving element side end 82a front end, incide light receiving element side 62 and receive.
Since the optical bond parts 9 of first embodiment make binding parts 91 for necessary linking part 90 that a pair of optical function portion is formed as one, 91 ' with respect to the area of the engaging zones of the engage sides of optical function portion than formerly technology is little, therefore can restrain the light quantity of leaking, improve the transmission efficiency of light via linking part.Therefore, using has in the optical connector of this optical bond parts, and the transmission efficiency of light also improves.
Linking part end 91 between optical bond parts 9 and the optical function portion 81,82,91 ' sectional area be, for the transmission efficiency that improves light must minimize, by employed moulding with the decision of synthetic resin material, molten synthetic resin overflows and necessary boundary area in mould.
This minimum area decides by cut-and-trial (cut and try).That is, the sectional area of linking part end is more little, and the transmission efficiency of light is high more, and on the contrary, the bad danger of the resin flows when then causing the ejection formation of the resin that forms linking part is high more.For making resin flow good, shown in Fig. 8 B, the shape that the area at junction surface still so obtains amplifying towards the matrix part sectional area from this junction surface is effective.But, owing to be difficult to judge that the shape from Fig. 8 A is only to which kind of shape the shape of Fig. 8 B,, and determine the sectional area and the shape of linking part end during design so after studying moulding, when confirming characteristic, carry out the mould correction.
Therefore, even the recess 13 of jack side forms to such an extent that have a space that the shape of Fig. 8 B that the vertical height H of linking part end forms maximumly also can be taken in.Thus, use the mould of the shape of Fig. 8 A to carry out moulding, when the bad generation of resin flows, eliminate the mould of linking part end gradually, can obtain the sectional area amplification of linking part end and obtain the so mobile countermeasure of normal resin flow.
The variation of first embodiment of optical bond parts shown in Figure 1 is described with reference to Fig. 2.In this variation, the otch 93 of the V word shape that uses among first embodiment is changed to the otch 93 ' of U word shape, simultaneously, form not have linking part 90 integral body are pressed into fixing fixed part 92,92 ' structure (that is the structure in the zone of excision linking part end 91,91 ' top top) with respect to jack.In the otch 93 ' of U word shape, from the upper end of linking part 90 (be linking part 91,91 ' above) depth D (with reference to Fig. 2 B) seen also forms to such an extent that learn function portion 81 and collection of letters sidelight to learn the horizontal level of line L bottom of function portion 82 dark than linking the sidelight of delivering letters.
As this variation, even be formed in the total length of linking part 90 and the situation of the otch of the little shape of the size of above-below direction, linking part 90 also bring into play photoconduction to effect, therefore, might learn function portion 82 to columned collection of letters sidelight from the light signal of delivering letters that the columned sidelight function portion 81 of delivering letters enters and propagate, form crosstalking of a great deal of.(with reference to Fig. 2 A) still, in the section コ word shape otch 93 ', the degree of depth of seeing from linking part 90 upper ends also forms deeplyer than the horizontal level bottom that links deliver letters sidelight function portion 81 and collection of letters sidelight function portion 82, learn function portion 81 from the sidelight of delivering letters and leak into the light on the linking part 90 owing to learn the leakage pathway extension of function portion 82 to collection of letters sidelight, so decay the minimizing of crosstalking (with reference to Fig. 2 B) in diffusion in linking part 90 and in propagating.
Then, with reference to Fig. 3 second embodiment is described.The more cylindric sidelight of delivering letters is learned function portion 81, collection of letters sidelight and is learned the engaging zones 91a between function portion 82 and the linking part end 91,91 ', the area of 91a ', by forming the size M of the above-below direction that increases linking part 90, further increase its area of section (structure of M * E), make the light of delivering letters that enters linking part 90 in this part diffusion, therefore, the light quantity that enters collection of letters sidelight function portion 82 correspondingly reduces, and can reduce and crosstalk.
Variation with reference to second embodiment of Fig. 4 key diagram 3.In this variation, the sidelight of relatively delivering letters is learned function portion 81, collection of letters sidelight and is learned the long-pending of engaging zones between function portion 82 and the linking part end 91,91 ', form the size M (with reference to Fig. 4 B) that increases linking part 90 above-below directions, further increase the structure of its sectional area.
Other variation of the 3rd embodiment is described with reference to Fig. 5.This variation is following variation, learn a pair of of function portion 81 and columned collection of letters sidelight function portion 82 at the cylindric sidelight of delivering letters, is connected in the usefulness light bonded block 9 with the bidirectional optical that utilizes the linking part 90 constitute by constituent material identical materials to constitute with integrated optical function portion of these optical function portions, linking part 90 is with respect to the side of cylindric optical function portion 81,82, and the half cycle in cylindrical section engages via linking part end 91,91 ' with interior simply.This variation is also owing to have following structure, promptly, linking part 90 with respect to the side of cylindric optical function portion 81,82 at the half cycle of cylindric section with interior joint, compare with situation in complete all combinations, subdue the area of linking part to the engaging zones of optical function portion, therefore, can restrain the light quantity of leaking, realize the effect of the transmission efficiency of raising light via linking part.
With reference to Fig. 6 the 3rd embodiment is described.This embodiment is also identical with embodiment 1, optical bond parts 9 by the cylindric sidelight of delivering letters learn function portion 81, cylindric collection of letters sidelight learn function portion 82, with this two optical functions portion mechanically the linking part 90 of combination constitute.The linking part 90 of this embodiment is following embodiment, that is, portion forms the otch 93 ', 93 of U word shape from upside and downside bilateral in the central ", chimeric fixing via it to jack, linking part end and two optical function portions are discharged.Among this embodiment, also restrain the light quantity of leaking via linking part, improve the transmission efficiency of light, simultaneously, to learn function portion 81 from the sidelight of delivering letters leaks into the leakage pathway that the light on the linking part 90 learns function portion 82 to collection of letters sidelight and extends, diffusion and decay when propagating realize reducing the effect of crosstalking in linking part.
Variation with reference to the 3rd embodiment of Fig. 7 key diagram 6.In this variation, in embodiment 1, at the central portion formation section quadrangle opening 930 replacement otch 93 of linking part 90.To learn function portion 82 identical materials one-body molded by learning function portion 81 and cylindric collection of letters sidelight with the cylindric sidelight of delivering letters for linking part 90, is fixed in jack via the section quadrangle opening 930 that is formed at the linking part central portion.
With reference to Fig. 9 the 4th embodiment is described.This is, learning in the linking part 90 that the constituent material identical materials of integrated optical function portion of function portion 82 constitutes by learning function portion 81 and cylindric collection of letters sidelight, keeping a part in the periphery of cylindric section of optical function portion and the additional optical communication that forms linking part 90 connects and uses the optics bonded block with the cylindric sidelight of delivering letters.Understand by figure, the following formation of optical bond parts of this embodiment makes the circumferential length (A is to the length of the circular arc of B) of side of the optical function portion of the engaging zones that joint portion 90 engages with the outer peripheral face of optical function portion 81,82 constitute the length of the half cycle of optical function portion periphery.In addition, the further one-body molded sleeve 73,74 that uses in the technology formerly that makes an addition on these optical bond parts, but because the limited length of above-mentioned engaging zones is so compare the effect of harmless light propagation efficiency raising with technology formerly.In addition, when the optical bond parts that use this embodiment constitute optical connector, shown in technology formerly, make the diameter of the hole 13a, the 13b that are formed on the diapire 3 constitute the size that to insert sleeve.
Industrial utilizability
According to the present invention, compare with technology formerly, obtain having the light transmission efficiency and improve and crosstalk and reduce The optical bond parts of effect, use the optical connector of these optical bond parts, can lead at bidirectional optical Effectively apply flexibly in the territory.
Claims (6)
1, a kind of bidirectional optical connection optics bonded block, it has makes the cylindric sidelight of delivering letters that is made of the translucent synthetic resin material learn function portion and cylindric collection of letters sidelight is learned a pair of that function portion constitutes, and the linking part that the constituent material identical materials of one-body molded and having of being integral with these mutual mechanical bond of optical function portion and optical function portion constitutes with these optical function portions, with optical bond between optical element and the optical fiber, it is characterized in that
Linking part has matrix part and links the end, and the length that the engaging zones of the binding end that joins respectively with side with respect to described a pair of cylindric optical function portion has a half cycle that constitutes columned optical function portion is with the circumferential length of interior described columned optical function portion.
2, the optics bonded block is used in optical communication connection as claimed in claim 1, it is characterized in that the width H of the above-below direction that the engaging zones of the binding end of linking part has is littler than the width M of the above-below direction of linking part.
3, the connection of the optical communication described in claim 1 or 2 optics bonded block, it is characterized in that, form the otch of V word shape at the central portion of the matrix part of linking part, the summit of otch forms deeplyer than the horizontal level of the straight line that links two optical function subordinate sides.
4, the optics bonded block is used in the connection of the optical communication described in claim 1 or 2, it is characterized in that, and is at the central portion of linking part, from the otch of upside and downside both sides formation U word shape, chimeric fixing at the linking part central portion with respect to jack.
5, a kind of optical connector is characterized in that, has: light-emitting component and light receiving element; Each described optical bond parts of claim 1～4; Connect body, it installs described light-emitting component and light receiving element and optical bond parts,
The sidelight of delivering letters of above-mentioned optical bond parts learns function portion and collection of letters sidelight is learned the light combination respectively between optical fiber and collection of letters optical fiber and described light-emitting component and the light receiving element of delivering letters that function portion will be installed on optical plug.
6, a kind of optical connector is characterized in that, has: light-emitting component and light receiving element; Each described optical bond parts of claim 1～4; Connect body, it has wall, and this wall has the chimeric recess of deliver letters optical fiber and the collection of letters optical fiber that are installed on the optical plug chimeric deliver letters side and collection of letters optical fiber admission extinguisher, optical bond parts, is communicated with the through hole of optical fiber admission extinguisher from this recess,
In above-mentioned through hole, insert optical function portion, insert and fixing described optical bond parts at described recess, the end that the side of delivering letters and collection of letters sidelight are learned function portion is relative with described light-emitting component and light receiving element position on being installed on the connection body, and the other end is relative with the optical fiber that is embedded in optical fiber admission extinguisher position in the through hole of this admission extinguisher.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP320368/04 | 2004-11-04 | ||
| JP2004320368 | 2004-11-04 | ||
| JP313275/05 | 2005-10-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1769938A true CN1769938A (en) | 2006-05-10 |
| CN100529818C CN100529818C (en) | 2009-08-19 |
Family
ID=36751340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101201386A Expired - Fee Related CN100529818C (en) | 2004-11-04 | 2005-11-04 | Optical coupling component for use in an optical communication connector and an optical connector using such optical coupling component |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101110511B1 (en) |
| CN (1) | CN100529818C (en) |
| TW (1) | TWI404985B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833148A (en) * | 2008-12-24 | 2010-09-15 | 星电株式会社 | Optical connector |
| US8206041B2 (en) | 2008-03-18 | 2012-06-26 | Fujikura Ltd. | High power optical connector and optical fiber system using the same |
| CN106641864A (en) * | 2016-10-12 | 2017-05-10 | 惠州Tcl移动通信有限公司 | LED lampshade structure for electronic product, mobile equipment and keyboard |
| CN107003468A (en) * | 2014-12-04 | 2017-08-01 | 汤姆逊许可公司 | Device for transmission light |
| CN110346879A (en) * | 2018-04-05 | 2019-10-18 | 矢崎总业株式会社 | Optical connector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3958891B2 (en) * | 1999-04-23 | 2007-08-15 | 矢崎総業株式会社 | Optical connector |
| JP4071407B2 (en) | 1999-11-08 | 2008-04-02 | 矢崎総業株式会社 | Optical connector sleeve and receptacle |
| JP2003329895A (en) | 2002-05-14 | 2003-11-19 | Sony Corp | Optical link device |
| JP2004053764A (en) | 2002-07-17 | 2004-02-19 | Yazaki Corp | Sleeve molding, sleeve molding die, and optical connector assembling method |
| JP4259108B2 (en) * | 2002-12-12 | 2009-04-30 | 凸版印刷株式会社 | Electronic POP device |
-
2005
- 2005-10-19 TW TW94136561A patent/TWI404985B/en not_active IP Right Cessation
- 2005-11-01 KR KR20050103676A patent/KR101110511B1/en not_active Expired - Fee Related
- 2005-11-04 CN CNB2005101201386A patent/CN100529818C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8206041B2 (en) | 2008-03-18 | 2012-06-26 | Fujikura Ltd. | High power optical connector and optical fiber system using the same |
| CN101833148A (en) * | 2008-12-24 | 2010-09-15 | 星电株式会社 | Optical connector |
| CN107003468A (en) * | 2014-12-04 | 2017-08-01 | 汤姆逊许可公司 | Device for transmission light |
| CN107003468B (en) * | 2014-12-04 | 2020-10-27 | 交互数字Ce专利控股公司 | device for transmitting light |
| CN106641864A (en) * | 2016-10-12 | 2017-05-10 | 惠州Tcl移动通信有限公司 | LED lampshade structure for electronic product, mobile equipment and keyboard |
| CN110346879A (en) * | 2018-04-05 | 2019-10-18 | 矢崎总业株式会社 | Optical connector |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200624899A (en) | 2006-07-16 |
| KR101110511B1 (en) | 2012-01-31 |
| CN100529818C (en) | 2009-08-19 |
| TWI404985B (en) | 2013-08-11 |
| KR20060052374A (en) | 2006-05-19 |
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Granted publication date: 20090819 Termination date: 20211104 |