CN209055701U - A kind of adjustable multichannel light transmitting-receiving coupling module - Google Patents
A kind of adjustable multichannel light transmitting-receiving coupling module Download PDFInfo
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- CN209055701U CN209055701U CN201821470315.2U CN201821470315U CN209055701U CN 209055701 U CN209055701 U CN 209055701U CN 201821470315 U CN201821470315 U CN 201821470315U CN 209055701 U CN209055701 U CN 209055701U
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- 230000008878 coupling Effects 0.000 title claims abstract description 32
- 238000010168 coupling process Methods 0.000 title claims abstract description 32
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- 239000013307 optical fiber Substances 0.000 claims abstract description 37
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000003491 array Methods 0.000 claims description 4
- 210000004209 hair Anatomy 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
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- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model relates to a kind of adjustable multichannel light to receive and dispatch coupling module, including 45 degree of reflectings surface, assemble shell, configure the lens array on assembly shell surface, the optical-fiber array assembly and photoelectric conversion device opposite with lens array, lens array configuration is on two faces of assembly shell between photoelectric conversion device and optical-fiber array assembly, a plurality of light-emitting elements are arranged on the photo-electric conversion device, and multiple light receiving elements are arranged simultaneously, the light receiving element is used to receive the light emitted from optical-fiber array assembly, the optical coupling in end face that the lens array can form a plurality of light-emitting elements and fiber array, lens body has one group of first lens face in the assembly case surface towards photoelectric conversion device, there is one group of second lens face in the corresponding assembly case surface of optical-fiber array assembly.The utility model has the advantages that the alignment precision of optical path is high, the depth of parallelism is good, and coupling module characteristic size is adjustable, and optical coupling efficiency is stablized, easy to process and assembly.
Description
Technical field
The utility model relates to optical communication technique fields, and in particular to a kind of adjustable multichannel light transmitting-receiving coupled mode
Block.
Background technique
Integrated optics mainly studies theory, the skill of the optical device and optoelectronic system that are integrated in a planar substrate
Art and application, are the only ways of optics development.Integrated optics with photons such as semiconductor laser, optical modulator, receivers and
Optoelectronic component integrates for core, and with the system with certain function be mark, mainly research and development optic communication,
Multi-functional, stable, reliable light integration system and mixed electrical optical needed for optical Information Processing, photonic computer and light sensing etc.
Integration system etc..The active devices such as laser, modulator, detector are integrated on the same substrate, and with optical waveguide, be isolated
The micro-optics system that the passive devices such as device, coupler and filter connect composition is known as integrated optical circuit, to realize optics
The filming of system, micromation and integrated.If integrated with electronic device such as field effect transistor, resistance, capacitor etc. simultaneously,
Then constitute mixed electrical optical subset architectonical.
For lens array by the array that clear aperature and relief depth are that micron-sized lens form, it not only has tradition
The basic functions such as focusing, the imaging of lens, and have the characteristics that unit size is small, integrated level is high, it allows it to complete to pass
The system impossible function of optical element, and many novel optical systems can be constituted.
Existing vertical-cavity surface-emitting body laser vcsel is usually surface launching, and there are 90 for outgoing beam and incident beam
The deflection of degree, common method is to realize optical path-deflecting using lens, so that optical signal passes through lens transmission from laser
Into optical fiber, therefore, it is necessary to the fiber arrays that a both ends are optical interface to couple with lens array, pass in current lens array
The light broadcast is to be received the parallel rays of collimated, therefore the feature ruler of fiber coupler is adjusted under different operating demand
It is very little, it generally requires to redesign non-spherical lens, improves the cost of processing and assembly, it is special simultaneously for different fiber couplers
Size is levied, optical coupling efficiency is also unstable, also affects the collimation of light, reduces the practicability of device.
Utility model content
The utility model aim is to provide a kind of adjustable multichannel light transmitting-receiving coupling module, provides a kind of fiber coupling effect
Rate is stablized, and can directly be adjusted according to different operating demand and receive and dispatch coupled mode convenient for adjustable multichannel light of assembly
Block.Solve the problems, such as that different operating demand in the prior art needs different size photoelectric coupling module.
In order to achieve the goal above, the technical solution adopted in the utility model are as follows: a kind of adjustable multichannel light transmitting-receiving coupling
Block, including 45 degree of reflectings surface are molded, shell is assembled, the lens array on assembly shell surface is configured, with the lens array phase
Pair optical-fiber array assembly and photoelectric conversion device, lens array configuration photoelectric conversion device and optical-fiber array assembly it
Between two faces of assembly shell on, a plurality of light-emitting elements vcsel is arranged on the photo-electric conversion device, and arranges multiple light simultaneously
Element PD, light receiving element PD are used to receive the light emitted from optical-fiber array assembly, which can be by the multiple hair
The optical coupling in end face of optical element and fiber array composition, the lens array includes lens body, the lens sheet
Body has one group of second lens face in the assembly case surface towards photoelectric conversion device, in the corresponding assembly of optical-fiber array assembly
There is one group of first lens face in case surface, and two groups of lens are in the same plane, the first lens on light fibre array
Input light is collimated, and collimated light beam converges to light receiving element PD, the optical fiber by 45 degree of mirror-reflections to the second lens
Array is emitted end face and the first lens distance is S1, and the first lens to 45 degree of reflecting mirror distances are S2,45 degree of reflecting mirrors to second
Lens distance is S3, and the second lens to light receiving element PD distance are S4.
Further, first lens and the second lens are non-spherical lens, first lens and the second lens,
Asphericity coefficient is identical, and two lens are identical lens.
Further, first lens, the second lens be arranged respectively at assembly two surfaces of shell on, and with assembly
Surface is parallel.
Further, the reflecting mirror and assembly shell baseplane angle are 45 degree.
Further, the light that first lens can input fiber array collimates output, and the second lens can incite somebody to action
Collimated ray convergence is output to light receiving element.
Further, the distance of S1 and S4 distance are fixed, S2 and S3 distance can be adjusted according to user demand.
Further, the fitting surface of assembly two lens arrays of shell is orthogonal, assembly reflecting mirror and above-mentioned two
A fitting surface is at 45 degree.
Further, the assembly shell can require to modify according to practical S2, S3, it is only necessary to adjustment assembly shell
Die size, modifies S2, and the distance of S3 meets different demands in turn.
Further, the optical-fiber array assembly includes the optical fiber connector optical fiber laid parallel with Duo Gen, multifiber
It is fixed across optical fiber connector and with optical fiber linker.
The utility model have the technical effect that optical fiber optically coupling to chip and light-emitting component vcsel optically coupling to
When on optical fiber, entrance lens array reflexes to the second lens by 45 degree of mirror surfaces and converges to light receiving element, and the first lens can
With the light collimation output for inputting fiber array, collimated ray can be converged and be output to light receiving element, array by the second lens
Used receives lens and plus lens, is the non-spherical lens of same parameter, handling ease, the light propagated in lens array
Line is to be received the parallel rays of collimated, therefore adjust the characteristic size of fiber coupler under different operating demand, does not have to
Redesign non-spherical lens, it is only necessary to modification assembly shell can reach corresponding effect, reduce processing and assembly at
This, such adjustable multichannel light transmitting-receiving coupling module substantially increases service performance, and the alignment precision of light is high, optical fiber
Coupling efficiency is stablized, convenient for assembly and processing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment top surface of the utility model lens fiber array；
Fig. 2 is the incident portion structural schematic diagram of lens array in Fig. 1；
Fig. 3 is the emission parts structural schematic diagram of lens array in Fig. 1；
Fig. 4 is the side sectional view that lens array assembly is completed in Fig. 1；
Fig. 5 is the index path of lens array in Fig. 1.
Specific embodiment
Referring to attached drawing 1-5, a kind of adjustable multichannel light transmitting-receiving coupling module, including 45 degree of reflectings surface, shell 4 is assembled,
Configure the lens array on assembly 4 face of shell, fiber array 6 component opposite with the lens array and photoelectric conversion dress
It sets, the lens array configuration is on 4 two faces of assembly shell between 6 component of photoelectric conversion device and fiber array, the light
A plurality of light-emitting elements vcsel is arranged on electric conversion means, and arranges multiple light receiving element PD5 simultaneously, and light receiving element PD5 is used for
The light emitted from 6 component of fiber array is received, which can be by the multiple light-emitting component and 6 groups of the fiber array
At the optical coupling in end face, the lens array includes lens body, and the lens body is towards photoelectric conversion device
Assembly has one group of second lens face on 4 surface of shell, there is one group the on corresponding 4 surface of assembly shell of 6 component of fiber array
One lens face, and two groups of lens are in the same plane, the input light of the first lens on light fibre array 6 is collimated,
Collimated light beam converges to light receiving element PD5 by 45 degree of mirror-reflections to the second lens, and the fiber array 6 is emitted end face and the
One lens distance is S1, and for the first lens to 45 degree reflecting mirrors 2 apart from for S2,45 degree of 2 to the second lens distances of reflecting mirror are S3, the
Two lens to light receiving element PD5 distance be S4.
Optical coupler module by optical fiber optically coupling to pd chip and light-emitting component vcsel optically coupling in optical fiber when,
Entrance lens array 1 reflexes to the second lens by 45 degree of reflecting mirrors 2 and converges to light receiving element 5, and the first lens can be by optical fiber
The light that array 6 inputs collimates output, and collimated ray can be converged and be output to light receiving element 5 by the second lens, used in array
Receive lens and plus lens, be the non-spherical lens of same parameter, handling ease, the light propagated in lens array, be through
Receive the parallel rays of collimated, therefore adjust the characteristic size of fiber coupler under different operating demand, without setting again
Count non-spherical lens, it is only necessary to which modification assembly shell 4 reduces the cost of processing and assembly, in this way to reach corresponding effect
Adjustable multichannel light transmitting-receiving coupling module substantially increase service performance, the alignment precision of light is high, the coupling effect of optical fiber
Rate is stablized, convenient for assembly and processing.
Preferably, fiber array outgoing end face and the first lens distance are S1, and the first lens are to 45 degree of reflecting mirror distances
S2,45 degree of reflecting mirrors to the second lens distance are S3, and the second lens to light receiving element PD distance are S4, work as S1=0.4；S2=
0.7；S3=0.7；S4=0.35 or S1=0.4；S2=0.8；S3=0.8；S4=0.35 unit is mm, the light in optical fiber
The coupling efficiency for being optically coupled into optical fiber that the coupling efficiency and vscel for being coupled to PD issue distinguishes 84.3% and 81.5%,
Different fiber coupler characteristic sizes in the reasonable scope, optical coupling efficiency are stablized.
Preferably, first lens and the second lens are non-spherical lens, first lens and the second lens, non-
Asphere coefficient is identical, and two lens are identical lens.
Preferably, first lens, the second lens be arranged respectively at assembly 4 two surfaces of shell on, and with assembly
Surface is parallel.
Preferably, the reflecting mirror and assembly 4 baseplane angle of shell are 45 degree.
Preferably, light that fiber array 6 inputs can be collimated output by first lens, and the second lens can will be quasi-
The direct light congruence is poly- to be output to light receiving element 5.
Preferably, the distance of S1 and S4 distance are fixed, S2 and S3 distance can be adjusted according to user demand.
Preferably, it is described assembly 4 two lens arrays of shell fitting surface it is orthogonal, assembly reflecting mirror with it is above-mentioned two
Fitting surface is at 45 degree.
Preferably, the assembly shell 4 can require to modify according to practical S2, S 3, it is only necessary to adjustment assembly shell 4
Die size, modify S2, the distance of S3 and then meet different demands.
Preferably, 6 component of fiber array includes the optical fiber connector optical fiber laid parallel with Duo Gen, and multifiber is worn
It crosses optical fiber connector and is fixed with optical fiber linker.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The requires of the utility model
Protection scope defined by appended claims and its equivalent.
Claims (8)
1. a kind of adjustable multichannel light receives and dispatches coupling module, including 45 degree of reflectings surface, shell is assembled, configuration is in assembly shell surface
On lens array, the optical-fiber array assembly and photoelectric conversion device opposite with the lens array, lens array configuration
On two faces of assembly shell between photoelectric conversion device and optical-fiber array assembly, multiple hairs are arranged on the photo-electric conversion device
Optical element vcsel, and multiple light receiving element PD are arranged simultaneously, light receiving element PD is used to receive from optical-fiber array assembly transmitting
Light, the optical coupling in end face which can form the multiple light-emitting component and the fiber array, feature
It is:
The lens array includes lens body, and the lens body has in the assembly case surface towards photoelectric conversion device
One group of first lens face has one group of second lens face, and two groups of lens in the corresponding assembly case surface of optical-fiber array assembly
It is in the same plane；
The input light of the first lens on light fibre array is collimated, and collimated light beam is by 45 degree mirror-reflections to second saturating
Mirror converges to light receiving element PD；
Fiber array outgoing end face and the first lens distance are S1, and the first lens to 45 degree reflecting mirrors distances are S2,45 degree
Reflecting mirror is S3 to the second lens distance, and the second lens to light receiving element PD distance are S4.
2. a kind of adjustable multichannel light according to claim 1 receives and dispatches coupling module, it is characterised in that: described first thoroughly
Mirror and the second lens are non-spherical lens, first lens and the second lens, and asphericity coefficient is identical, and two lens are
Identical lens.
3. a kind of adjustable multichannel light according to claim 1 or 2 receives and dispatches coupling module, it is characterised in that: described the
One lens, the second lens are arranged respectively on assembly two surfaces of shell, and parallel with assembly surface.
4. a kind of adjustable multichannel light according to claim 1 receives and dispatches coupling module, it is characterised in that: the reflecting mirror
It is 45 degree with assembly shell baseplane angle.
5. a kind of adjustable multichannel light according to claim 1 receives and dispatches coupling module, it is characterised in that: described first thoroughly
The light that mirror can input fiber array collimates output, and collimated ray can be converged and be output to light receiving element by the second lens.
6. a kind of adjustable multichannel light according to claim 1 receives and dispatches coupling module, it is characterised in that: the distance of S1 and
S4 distance is fixed, S2 and S3 distance can be adjusted according to user demand.
7. a kind of adjustable multichannel light according to claim 1 receives and dispatches coupling module, it is characterised in that: outside the assembly
The fitting surface of two lens arrays of shell is orthogonal, and assembly reflecting mirror and above-mentioned two fitting surface are at 45 degree.
8. a kind of adjustable multichannel light according to claim 1 receives and dispatches coupling module, it is characterised in that: the optical fiber array
Column component includes the optical fiber connector optical fiber laid parallel with Duo Gen, multifiber pass through optical fiber connector and with optical fiber linker
It is fixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470315.2U CN209055701U (en) | 2018-09-10 | 2018-09-10 | A kind of adjustable multichannel light transmitting-receiving coupling module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470315.2U CN209055701U (en) | 2018-09-10 | 2018-09-10 | A kind of adjustable multichannel light transmitting-receiving coupling module |
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| CN209055701U true CN209055701U (en) | 2019-07-02 |
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| CN201821470315.2U Expired - Fee Related CN209055701U (en) | 2018-09-10 | 2018-09-10 | A kind of adjustable multichannel light transmitting-receiving coupling module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239860A (en) * | 2018-09-10 | 2019-01-18 | 合肥嘉东光学股份有限公司 | A kind of adjustable multichannel light transmitting-receiving coupling module |
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2018
- 2018-09-10 CN CN201821470315.2U patent/CN209055701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239860A (en) * | 2018-09-10 | 2019-01-18 | 合肥嘉东光学股份有限公司 | A kind of adjustable multichannel light transmitting-receiving coupling module |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20210910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |