CN201388203Y - Single fiber bidirectional light transmitting-and-receiving integral assembly - Google Patents
Single fiber bidirectional light transmitting-and-receiving integral assembly Download PDFInfo
- Publication number
- CN201388203Y CN201388203Y CN200920130747U CN200920130747U CN201388203Y CN 201388203 Y CN201388203 Y CN 201388203Y CN 200920130747 U CN200920130747 U CN 200920130747U CN 200920130747 U CN200920130747 U CN 200920130747U CN 201388203 Y CN201388203 Y CN 201388203Y
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- light
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- wdm filter
- single fiber
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- 239000000835 fiber Substances 0.000 title claims abstract description 50
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 54
- 239000013307 optical fiber Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model provides a single fiber bidirectional light transmitting-and-receiving integral assembly, which comprises single fiber, a first light transmitting assembly, a second light transmitting assembly, at least one light receiving assembly, a first and a second WDM filtering plates and four lenses, wherein transmitting light of the first light transmitting assembly is arranged opposite to the light end surface of single fiber and forms a horizontal optical axis, the first and the second WDM filtering plates are arranged on the horizontal optical axis left and right with a slope angle of 45 degrees or 135 degrees, the first transmitting assembly transmits first descending light signals lambda 1 with the speed of 10 G/bs, and the wavelength range thereof is 577 nm, the second transmitting assembly transmits second descending light signals lambda 2 with the speed of 1.25 G/bs, the wavelength range thereof is 1490 nm, the single fiber transmits ascending light signals lambda 3 with the speed of 1.25 G/bs, the wavelength range thereof is 1310 nm, and the ascending light signals lambda 3 are received by a light receiving assembly. The structure light assembly has simple and compact structure.
Description
Technical field
The utility model relates to the integrated module of optical transceiver of the single fiber multi-wavelength emission that is used for the EPON system, relates in particular to the single fiber bidirectional light receiving and transmitting one assembly that a kind of 10G EPON OLT (10G Ethernet Passive Optical Network OpticalLine Terminal) module is used.
Background technology
High speed development along with Network, especially big flow broadband services such as IPTV, HDTV, two-way video and game on line carries out gradually with universal, every user's bandwidth demand will increase progressively with the order of magnitude, existing EPON and GPON technology all new bandwidth bottleneck will occur, the growing network bandwidth requirements of present people has been satisfied in the appearance of 10G EPON, and with current GEPON system good compatibility is arranged.10G EPON standard IEEE 802.3av has determined two kinds of physical layer modes, and a kind of is asymmetric mode, and promptly 10G speed is descending up with 1.25G/bs speed; Another is a symmetric pattern, i.e. up-downgoing speed is 10G.The asymmetric mode 10G EPON OLT optical module of prior art comprises three parts: first, and the fine single fiber bi-directional assembly of the magnetic tape trailer of a 1.25G/bs speed of employing comprises a single fiber, a light emission component and an optical fiber receive module; Second portion, the fine light emission component of the magnetic tape trailer of a 10G speed; Third part, a WDM wavelength division multiplexer.This structured light module encapsulation construction volume is big and complicated.
The utility model content
The utility model provides the simple 10G EPON of a kind of compact conformation OLT single fiber bidirectional light receiving and transmitting one assembly.
For realizing above goal of the invention, the utility model provides a kind of single fiber bidirectional light receiving and transmitting one assembly, comprising: a single fiber; First light emission component, second light emission component; At least one optical fiber receive module; First, the 2nd WDM filter plate and first, second, third and fourth lens, the light end face of described first light emission component emission light and described single fiber is and is oppositely arranged formation one horizontal optical axis, described first, the 2nd WDM filter plate places on this horizontal optical axis with about 45 ° or 135 ° at inclination angle, the first downlink optical signal λ 1 of first light emission component emission 10G/bs speed, its wave-length coverage 1577nm ± 3nm pools directional light through first lens, this directional light successively passes through described first, after twice transmission of the 2nd WDM filter plate, converge to the light end face output of described single fiber by second lens; The second downlink optical signal λ 2 of second light emission component emission 1.25G/bs speed, its wave-length coverage 1490nm ± 10nm is parallel again the 2nd WDM filter plate that is incident to after the 3rd lens pool directional light to be incident to WDM filter plate reflection, converges to the light end face output of described single fiber after its transmission again through second lens; And by the uplink optical signal λ 3 of the 1.25G/bs speed of single fiber transmission, its wave-length coverage 1310nm ± 50nm is incident to the reflection of the 2nd WDM filter plate after second lens pool directional light, its folded light beam converges to described optical fiber receive module through the 4th lens and receives.
A described WDM filter plate and described horizontal optical axis are 135 ° at inclination angle, described the 2nd WDM filter plate and described horizontal optical axis are 45 ° at inclination angle, two filter plates are splayed to be arranged, and described optical fiber receive module and second light emission component place the both sides up and down of described horizontal optical axis respectively.
Also comprise a speculum, a described WDM filter plate and described horizontal optical axis are 135 ° at inclination angle, described the 2nd WDM filter plate and described horizontal optical axis are 45 ° at inclination angle, two filter plates are splayed and arrange, described speculum is parallel with a described WDM filter plate, described second light emission component and the first light emission component homonymy are installed, the second downlink optical signal λ 2 of second light emission component emission 1.25G/bs speed, pool directional light through described the 3rd lens and be incident to described speculum, collimated light beam after its reflection is incident to parallel more after reflection the 2nd WDM filter plate that is incident to of a WDM filter plate more vertically upward through its transmission, and its transmitted light beam converges to the light end face output of described single fiber through second lens.
Also comprise a speculum, a described WDM filter plate and the 2nd WDM filter plate all are 135 ° at inclination angle with described horizontal optical axis, two filter plates are and are arranged in parallel, described speculum is parallel with a described WDM filter plate, described second light emission component and the first light emission component homonymy are installed, the second downlink optical signal λ 2 of second light emission component emission 1.25G/bs speed, pool directional light through described the 3rd lens and be incident to described speculum, collimated light beam after its reflection is incident to parallel more after reflection the 2nd WDM filter plate that is incident to of a WDM filter plate more vertically upward through its transmission, and its transmitted light beam converges to the light end face output of described single fiber through second lens.
A described WDM filter plate and the 2nd WDM filter plate all are 45 ° with described horizontal optical axis, and two filter plates are and are arranged in parallel, and described second light emission component and optical fiber receive module place the homonymy of described horizontal optical axis.
The described first, second, third and the 4th lens can be globe lens, packaged lens, C lens, Dlens, G lens or non-concave-sphere.
Said structure 10G EPON OLT single fiber bidirectional light receiving and transmitting one assembly, each light emission component, optical fiber receive module and WDM filter plate are become one, and the first downlink optical signal λ 1 of 10G/bs speed can also can be coaxial light emission component by miniaturization butterfly encapsulating structure both, 1.25G/bs second light emission component and the described optical fiber receive module of speed are the coaxial packaging structure, make the employed optical assembly of OLT module of whole 10G EPON simple in structure and compact.
Description of drawings
Fig. 1 represents first kind of light path principle figure of the utility model single fiber bidirectional light receiving and transmitting one assembly;
Fig. 2 represents the three-dimensional contour structures schematic diagram of the product of single fiber bidirectional light receiving and transmitting one assembly shown in Figure 1;
Fig. 3 represents second kind of light path principle figure of the utility model single fiber bidirectional light receiving and transmitting one assembly;
Fig. 4 represents the third light path principle figure of the utility model single fiber bidirectional light receiving and transmitting one assembly;
Fig. 5 represents the 4th kind of light path principle figure of the utility model single fiber bidirectional light receiving and transmitting one assembly.
Embodiment
Describe the utility model most preferred embodiment in detail below in conjunction with accompanying drawing.
Single fiber bidirectional light receiving and transmitting one assembly 10 as Fig. 1 comprises: a single fiber 11; First light emission component 12, second light emission component 13; One optical fiber receive module 14; The one WDM filter plate 15, the 2nd WDM filter plate 16 and the first, second, third and the 4th lens 17A, 17B, 17C, 17D.Wherein, among lens 17A, 17B, 17C, the 17D any one all can be globe lens, packaged lens, C lens, D lens, G lens or non-concave-sphere, first light emission component 12 adopts 10G/bs coaxial packaging or the encapsulation of 10G/bs miniaturization butterfly, is used to launch the first downlink optical signal λ 1; Second light emission component 13 adopts the 1.25G/bs coaxial packaging, is used to launch the second downlink optical signal λ 2; Optical fiber receive module 14 adopts the 1.25G/bs coaxial packaging, is used to receive uplink optical signal λ 3.The light end face of first light emission component 12 emission light and single fiber 11 is and is oppositely arranged formation one horizontal optical axis, the one WDM filter plate 15 is 135 ° at inclination angle with horizontal optical axis, the 2nd WDM filter plate and horizontal optical axis are 45 ° at inclination angle, two filter plates are splayed and arrange, and the optical fiber receive module 14 and second light emission component 13 place the both sides up and down of horizontal optical axis respectively, and all component forms single fiber bidirectional light receiving and transmitting one assembly profile stereogram as shown in Figure 2 after same base encapsulation.The light path principle that this assembly adopts: the first downlink optical signal λ 1 of first light emission component emission 10G/bs speed, its wave-length coverage 1577nm ± 3nm pools directional light through the first lens 17A, after this directional light successively passes through twice transmission of first, second WDM filter plate 15,16, converge to the light end face output of single fiber 11 by the second lens 17B; The second downlink optical signal λ 2 of second light emission component, 13 emission 1.25G/bs speed, its wave-length coverage 1490nm ± 10nm is parallel again the 2nd WDM filter plate 16 that is incident to after the 3rd lens 17C pools directional light to be incident to a WDM filter plate 15 reflections, converges to the light end face output of described single fiber 11 after its transmission again through the second lens 17B; And by the uplink optical signal λ 3 of the 1.25G/bs speed of the light end face of single fiber 11 output, its wave-length coverage 1310nm ± 50nm is incident to 16 reflections of the 2nd WDM filter plate after the second lens 17B pools directional light, this folded light beam converges to optical fiber receive module 14 through the 4th lens 17D and receives.
Single fiber bidirectional light receiving and transmitting one assembly 20 has as shown in Figure 3 increased by a speculum 18 on first assembly basis of former assembly 10 shown in Figure 1.The one WDM filter plate 15 is 135 ° at inclination angle with horizontal optical axis, the 2nd WDM filter plate 16 is 45 ° at inclination angle with horizontal optical axis, two filter plates are splayed and arrange, speculum 18 is parallel with a WDM filter plate 15, second light emission component 13 and first light emission component, 12 homonymies are installed, the second downlink optical signal λ 2 of second light emission component, 13 emission 1.25G/bs speed, pool directional light through the 3rd lens 17C and be incident to speculum 18, collimated light beam after its reflection is incident to a WDM filter plate 15 more vertically upward, and parallel again the 2nd WDM filter plate 16 that is incident to is through its transmission after its reflection, and its transmitted light beam converges to the light end face output of described single fiber through the second lens 17B.And the first downlink optical signal λ 1 of remaining first light emission component emission 10G/bs speed and same as shown in Figure 1 by the light path principle of the uplink optical signal λ 3 of the 1.25G/bs speed of single fiber 11 transmission no longer repeats.
Single fiber bidirectional light receiving and transmitting one assembly 30 as shown in Figure 4, with structural similarity shown in Figure 3, its difference only is that the 2nd a WDM filter plate 16 and a WDM filter plate 15 are arranged in parallel, promptly two filter plates all are the 135 ° of arrangements in inclination angle with horizontal optical axis, and the installation site of corresponding optical fiber receive module 14 also is adjusted to a relative side shown in Figure 3 therewith.Its light path principle is identical with Fig. 3, no longer repeats.
Single fiber bidirectional light receiving and transmitting one assembly 40 as shown in Figure 5, its yuan assembly and shown in Figure 1 identical, but the installation site changes slightly.The one WDM filter plate 15 is set to parallel with a WDM filter plate 16, and the inclination angle of itself and horizontal optical axis is 45 °, and the position design with former second light emission component 13 and the three lens 17C corresponding with it is and optical fiber receive module 14 homonymies simultaneously.It is identical that its light path principle and light path shown in Figure 1 are described, and no longer repeats.
Claims (6)
1, a kind of single fiber bidirectional light receiving and transmitting one assembly is characterized in that, comprising: a single fiber; First light emission component, second light emission component; At least one optical fiber receive module; First, the 2nd WDM filter plate and first, second, third and fourth lens, the light end face of described first light emission component emission light and described single fiber is and is oppositely arranged formation one horizontal optical axis, described first, the 2nd WDM filter plate places on this horizontal optical axis with about 45 ° or 135 ° at inclination angle, the first downlink optical signal λ 1 of first light emission component emission 10G/bs speed, its wave-length coverage 1577nm ± 3nm pools directional light through first lens, this directional light successively passes through described first, after twice transmission of the 2nd WDM filter plate, converge to the light end face output of described single fiber by second lens; The second downlink optical signal λ 2 of second light emission component emission 1.25G/bs speed, its wave-length coverage 1490nm ± 10nm is parallel again the 2nd WDM filter plate that is incident to after the 3rd lens pool directional light to be incident to WDM filter plate reflection, converges to the light end face output of described single fiber after its transmission again through second lens; And by the uplink optical signal λ 3 of the 1.25G/bs speed of single fiber transmission, its wave-length coverage 1310nm ± 50nm is incident to the reflection of the 2nd WDM filter plate after second lens pool directional light, its folded light beam converges to described optical fiber receive module through the 4th lens and receives.
2, single fiber bidirectional light receiving and transmitting one assembly according to claim 1, it is characterized in that, a described WDM filter plate and described horizontal optical axis are 135 ° at inclination angle, described the 2nd WDM filter plate and described horizontal optical axis are 45 ° at inclination angle, two filter plates are splayed to be arranged, and described optical fiber receive module and second light emission component place the both sides up and down of described horizontal optical axis respectively.
3, single fiber bidirectional light receiving and transmitting one assembly according to claim 1, it is characterized in that, also comprise a speculum, a described WDM filter plate and described horizontal optical axis are 135 ° at inclination angle, described the 2nd WDM filter plate and described horizontal optical axis are 45 ° at inclination angle, two filter plates are splayed and arrange, described speculum is parallel with a described WDM filter plate, described second light emission component and the first light emission component homonymy are installed, the second downlink optical signal λ 2 of second light emission component emission 1.25G/bs speed, pool directional light through described the 3rd lens and be incident to described speculum, collimated light beam after its reflection is incident to parallel more after reflection the 2nd WDM filter plate that is incident to of a WDM filter plate more vertically upward through its transmission, and its transmitted light beam converges to the light end face output of described single fiber through second lens.
4, single fiber bidirectional light receiving and transmitting one assembly according to claim 1, it is characterized in that, also comprise a speculum, a described WDM filter plate and the 2nd WDM filter plate all are 135 ° at inclination angle with described horizontal optical axis, two filter plates are and are arranged in parallel, described speculum is parallel with a described WDM filter plate, described second light emission component and the first light emission component homonymy are installed, the second downlink optical signal λ 2 of second light emission component emission 1.25G/bs speed, pool directional light through described the 3rd lens and be incident to described speculum, collimated light beam after its reflection is incident to parallel more after reflection the 2nd WDM filter plate that is incident to of a WDM filter plate more vertically upward through its transmission, and its transmitted light beam converges to the light end face output of described single fiber through second lens.
5, single fiber bidirectional light receiving and transmitting one assembly according to claim 1, it is characterized in that, a described WDM filter plate and the 2nd WDM filter plate all are 45 ° with described horizontal optical axis, two filter plates are and are arranged in parallel, and described second light emission component and optical fiber receive module place the homonymy of described horizontal optical axis.
6, according to claim 1,2,3 or 4 described single fiber bidirectional light receiving and transmitting one assemblies, it is characterized in that the described first, second, third and the 4th lens can be globe lens, packaged lens, C lens, D lens, G lens or non-concave-sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920130747U CN201388203Y (en) | 2009-04-16 | 2009-04-16 | Single fiber bidirectional light transmitting-and-receiving integral assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920130747U CN201388203Y (en) | 2009-04-16 | 2009-04-16 | Single fiber bidirectional light transmitting-and-receiving integral assembly |
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| CN201388203Y true CN201388203Y (en) | 2010-01-20 |
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| CN200920130747U Expired - Fee Related CN201388203Y (en) | 2009-04-16 | 2009-04-16 | Single fiber bidirectional light transmitting-and-receiving integral assembly |
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| CN102354033A (en) * | 2011-10-28 | 2012-02-15 | 索尔思光电（成都）有限公司 | PRX30 10G EPON (Ethernet Passive Optical Network) monofilament three-dimensional OLT (Optical Line Terminal) and encapsulation thereof |
| CN102436044A (en) * | 2011-12-28 | 2012-05-02 | 武汉电信器件有限公司 | Plug-in type single fiber three-dimensional photoelectric assembly |
| CN102662219A (en) * | 2012-05-09 | 2012-09-12 | 上海波汇通信科技有限公司 | Light emitting device for transmitting multi-wavelength signal |
| CN103026278A (en) * | 2010-07-27 | 2013-04-03 | 三菱电机株式会社 | Optical module |
| CN103323923A (en) * | 2012-03-21 | 2013-09-25 | 深圳新飞通光电子技术有限公司 | Optical assembly for OLT and with function of conducting double-trouble-diagnosing |
| CN104518831A (en) * | 2013-09-30 | 2015-04-15 | 中兴通讯股份有限公司 | Optical component and method supporting coexistence of two passive optical networks |
| CN105278036A (en) * | 2015-11-13 | 2016-01-27 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN106468808A (en) * | 2015-08-19 | 2017-03-01 | 中国科学院西安光学精密机械研究所 | Optical fiber pumping coupler |
| CN110542961A (en) * | 2019-09-23 | 2019-12-06 | 广东瑞谷光网通信股份有限公司 | High-performance high-speed single-fiber bidirectional optical device and assembling method thereof with PCB |
| CN110824632A (en) * | 2019-12-24 | 2020-02-21 | 深圳市亚派光电器件有限公司 | Optical transceiver |
| WO2020187149A1 (en) * | 2019-03-20 | 2020-09-24 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2021004387A1 (en) * | 2019-07-05 | 2021-01-14 | 华为技术有限公司 | Tosa, bosa, optical module, and optical network device |
| CN114545571A (en) * | 2020-11-27 | 2022-05-27 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2025148352A1 (en) * | 2024-01-10 | 2025-07-17 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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2009
- 2009-04-16 CN CN200920130747U patent/CN201388203Y/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103026278B (en) * | 2010-07-27 | 2016-04-27 | 三菱电机株式会社 | Optical module |
| US9341788B2 (en) | 2010-07-27 | 2016-05-17 | Mitsubishi Electric Corporation | Optical module |
| CN103026278A (en) * | 2010-07-27 | 2013-04-03 | 三菱电机株式会社 | Optical module |
| CN102354033A (en) * | 2011-10-28 | 2012-02-15 | 索尔思光电（成都）有限公司 | PRX30 10G EPON (Ethernet Passive Optical Network) monofilament three-dimensional OLT (Optical Line Terminal) and encapsulation thereof |
| CN102436044A (en) * | 2011-12-28 | 2012-05-02 | 武汉电信器件有限公司 | Plug-in type single fiber three-dimensional photoelectric assembly |
| CN102436044B (en) * | 2011-12-28 | 2013-11-13 | 武汉电信器件有限公司 | Plug type single-fiber three-way photoelectric component |
| CN103323923A (en) * | 2012-03-21 | 2013-09-25 | 深圳新飞通光电子技术有限公司 | Optical assembly for OLT and with function of conducting double-trouble-diagnosing |
| CN102662219A (en) * | 2012-05-09 | 2012-09-12 | 上海波汇通信科技有限公司 | Light emitting device for transmitting multi-wavelength signal |
| CN104518831A (en) * | 2013-09-30 | 2015-04-15 | 中兴通讯股份有限公司 | Optical component and method supporting coexistence of two passive optical networks |
| CN106468808A (en) * | 2015-08-19 | 2017-03-01 | 中国科学院西安光学精密机械研究所 | Optical fiber pumping coupler |
| CN106468808B (en) * | 2015-08-19 | 2018-09-28 | 中国科学院西安光学精密机械研究所 | Optical fiber pumping coupler |
| CN105278036A (en) * | 2015-11-13 | 2016-01-27 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2020187149A1 (en) * | 2019-03-20 | 2020-09-24 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2021004387A1 (en) * | 2019-07-05 | 2021-01-14 | 华为技术有限公司 | Tosa, bosa, optical module, and optical network device |
| CN110542961A (en) * | 2019-09-23 | 2019-12-06 | 广东瑞谷光网通信股份有限公司 | High-performance high-speed single-fiber bidirectional optical device and assembling method thereof with PCB |
| CN110542961B (en) * | 2019-09-23 | 2024-06-11 | 广东瑞谷光网通信股份有限公司 | High-performance high-speed single-fiber bidirectional optical device and assembly method thereof with PCB |
| CN110824632A (en) * | 2019-12-24 | 2020-02-21 | 深圳市亚派光电器件有限公司 | Optical transceiver |
| CN114545571A (en) * | 2020-11-27 | 2022-05-27 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20180416 |