CN201600471U - Plug-in-type optical sub-module - Google Patents
Plug-in-type optical sub-module Download PDFInfo
- Publication number
- CN201600471U CN201600471U CN2009202897340U CN200920289734U CN201600471U CN 201600471 U CN201600471 U CN 201600471U CN 2009202897340 U CN2009202897340 U CN 2009202897340U CN 200920289734 U CN200920289734 U CN 200920289734U CN 201600471 U CN201600471 U CN 201600471U
- Authority
- CN
- China
- Prior art keywords
- section
- coupled
- optical fiber
- straight hole
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a plug-in-type optical sub-module comprising a laser, a fixed pipe body, a connecting body and an angle coupling optical fiber adapter, wherein the fixed pipe body is connected to the laser and also connected to the angle coupling optical fiber adapter by the connecting body; the angle coupling optical fiber adapter comprises a through hole leading optical fiber to pass through; the through hole comprises a connecting section, a bending interface section and a coupling section; the bending interface section is positioned between the connecting section and the coupling section; the coupling section is a straight hole leading the optical fiber to pass through; the connecting section is a straight hole leading the optical fiber to pass through; the axis of the straight hole of the connecting section and the axis of the straight hole of the coupling section form an angle theta1; and the bending interface section is a bending connecting hole leading the optical fiber in the straight hole of the coupling section to pass through and then enter the straight hole of the connecting section. The plug-in-type optical sub-module can greatly improve the coupling efficiency of the optical fiber without needing to customize a laser with a special transmitting angle or a high-power laser and further reduce the production cost.
Description
Technical field
The utility model relates to the optical communication technique field, refers to a kind of plug formula optical secondary module particularly.
Technical background
Conventionally known to one of skill in the art, plug formula optical secondary module (OpticalSubassembly; OSA) comprise light emission secondary module (Transmitter OpticalSubassembly; TOSA) and the two-way secondary module of light (Bi-directional OpticalSubassembly; BOSA).Existing TOSA/BOSA optical device, because it is used for fixing the pottery of optical fiber and the optical fiber connecting hole in the lock pin is horizontal straight hole, make the coupled end and the link of its inner optical fiber interface adapter not have angular relationship, and the laser instrument of emission light signal generally has certain emission angle, loss of optical signal is bigger when causing the encapsulation of TOSA/BOSA optical device, and coupled optical power is not high.When particularly producing optical module such as EPON, GPON,, generally take to customize the laser instrument of special emission angle or adopt high power laser, so just caused the production of optical communication equipment and the increase of use cost in order to improve coupling efficiency.
Summary of the invention
The purpose of this utility model will provide a kind of plug formula optical secondary module exactly, and the coupling efficiency of the optical fiber interface adapter in this plug formula optical secondary module has and significantly improves.
For realizing this purpose, the plug formula optical secondary module that the utility model is designed, it comprises laser instrument, fixing body, connector and angle coupled fiber adapter, wherein, described fixedly body is connected in laser instrument, described fixedly body is connected in angle coupled fiber adapter by connector, described angle coupled fiber adapter comprises a through hole that optical fiber is passed, described through hole comprises linkage section, crooked interface section and coupled section, described crooked interface section is between linkage section and coupled section, described coupled section is the straight hole that optical fiber is passed, described linkage section is the straight hole that optical fiber is passed, the axis of the axis of described linkage section straight hole and coupled section straight hole becomes 1 jiao of θ, and described crooked interface section is the crooked connecting hole that enters the linkage section straight hole after the interior optical fiber of described coupled section straight hole is passed.
The xsect of described angle coupled fiber adapter coupled section and the axis normal of described linkage section straight hole, the angle of the axle center vertical plane of the coupled section straight hole of the xsect of coupled section and angle coupled fiber adapter is 2 jiaos of θ.
The scope that described θ is 1 jiao is 1 °～10 °.
Described optical fiber is 1～25mm by the bending radius scope in the crooked connecting hole.
The scope that described θ is 2 jiaos is 0 °～30 °.
The linkage section of described angle coupled fiber adapter, crooked interface section and coupled section are structure as a whole, and described crooked interface section is for connecting the crooked connecting hole of coupled section straight hole and linkage section straight hole.
The bending radius scope of described crooked connecting hole is 1～25mm.
Advantage of the present utility model: by the design of angle coupled fiber adapter in the plug formula optical secondary module, make the coupled end optical fiber and the link optical fiber relation of having a certain degree of angle coupled fiber adapter, make coupled end adapt to the emission angle of laser instrument, thereby do not need to customize the laser instrument of special emission angle or the coupling efficiency that high power laser just can increase substantially optical fiber, generally can improve 20～30% coupled optical power, and then reduce the production cost of plug formula optical secondary module than conventional coaxial coupled fiber.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of angle coupled fiber adapter in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
A kind of plug formula optical secondary module as shown in the figure, it comprises laser instrument 1, fixedly body 2, connector 3 and angle coupled fiber adapter 4, wherein, described fixedly body 2 is connected in laser instrument 1, described fixedly body 2 is connected in angle coupled fiber adapter 4 by connector 3, described angle coupled fiber adapter 4 comprises a through hole that optical fiber 5 is passed, described through hole comprises linkage section, crooked interface section and coupled section, described crooked interface section is between linkage section and coupled section, described coupled section is the straight hole that optical fiber 5 is passed, described linkage section is the straight hole that optical fiber 5 is passed, the axis of the axis of described linkage section straight hole and coupled section straight hole becomes 1 jiao of θ, the scope that this θ is 1 jiao is 1 °～10 °, described crooked interface section is the crooked connecting hole that enters the linkage section straight hole after the interior optical fiber 5 of described coupled section straight hole is passed, this bending connecting hole can make optical fiber 5 bendings, and described optical fiber 5 is 1～25mm by the bending radius scope in the crooked connecting hole.Optical fiber 5 adopts gluing connecing to be fixed in the angle coupled fiber adapter 4.1 jiao of inclination angle of θ corresponding to 1 pair of optical axis of laser instrument.
In the technique scheme, the xsect of described angle coupled fiber adapter 4 coupled section and the axis normal of described linkage section straight hole, the angle of the axle center vertical plane of the coupled section straight hole of the xsect of coupled section and angle coupled fiber adapter 4 is 2 jiaos of θ, and the scope that this θ is 2 jiaos is 0 °～30 °.2 jiaos of requirements according to the return loss of light signal in optical fiber of θ are determined.The fiber end face that is connected with external fiber in the angle coupled fiber adapter 4 middle connecting segment straight holes grinds to form PC or APC type by the standard of the joints of optical fibre with fiber end face.
As shown in Figure 2, linkage section, crooked interface section and the coupled section of the angle coupled fiber adapter 4 in the utility model can be structure as a whole, and described crooked interface section is for connecting the crooked connecting hole of coupled section straight hole and linkage section straight hole.And the bending radius scope of described crooked connecting hole is 1～25mm.The optical fiber 5 that is positioned at crooked connecting hole adopts the coating parcel of metallic coating or plastics or resin, to guarantee that optical fiber has good performance under case of bending.
In the technique scheme, 1 jiao of emission angle according to laser instrument 1 of θ is determined, preferred 3.7 ° ± 0.5 °, 4 ° ± 0.5 °, 2 jiaos of θ determine preferred 8 ° ± 1.0 ° according to coupling efficiency and return loss, 6 ° ± 1.0 °, 4 ° ± 1.0 °, bending radius is determined according to optical fiber bending resistance and product space size, preferred 25mm, 15mm, 10mm, 7.5mm, 5mm.
In concrete the enforcement, the coupled section end face can adopt through the optical fiber 5 of sweep:
1, thickness is that the metallic coating parcel diameter of 1～62.5um is the metal coated fiber of 60～125um bare fibre, and metal coating layer material can be aluminium, copper, nickel, gold or nickel gold etc.
2, thickness is that 62.5～237.5um resin coating layer parcel diameter is the resinous coat optical fiber of 60～125um bare fibre.
3, be that 62.5～237.5um resin coating layer parcel diameter is that the outside of the resinous coat optical fiber of 60～125um bare fibre is coated to the plastics of 600～900um or the tight tube fiber of resin covering at thickness.
Introduce principle of work of the present utility model below: because the two ends angulation of optical fiber 5 relation, the optical fiber 5 that makes coupled section can adapt to the laser optical axis deviation and maximize and accept light signal, and linkage section keeps coaxial annexation with external fiber simultaneously.
After at first laser instrument powers up, chip of laser is luminous, part is sent light and is entered adapter optical fiber and be forwarded to external fiber, this process is coupled exactly, an important indicator of coupling is that requirement light as much as possible enters adapter optical fiber, is called the raising coupled optical power, because laser instrument sends the optical axis of light certain deflection is always arranged, the utility model makes its inner optical fiber 5 have corresponding angle and comes Mi to mend the deflection that laser instrument sends the optical axis of light by the design of angle coupled fiber adapter 4.
Claims (7)
1. plug formula optical secondary module, it is characterized in that: it comprises laser instrument (1), fixing body (2), connector (3) and angle coupled fiber adapter (4), wherein, described fixedly body (2) is connected in laser instrument (1), described fixedly body (2) is connected in angle coupled fiber adapter (4) by connector (3), described angle coupled fiber adapter (4) comprises a through hole that optical fiber (5) is passed, described through hole comprises linkage section, crooked interface section and coupled section, described crooked interface section is between linkage section and coupled section, the straight hole of described coupled section for optical fiber (5) is passed, the straight hole of described linkage section for optical fiber (5) is passed, the axis of the axis of described linkage section straight hole and coupled section straight hole becomes 1 jiao of θ, and described crooked interface section is the crooked connecting hole that enters the linkage section straight hole after the interior optical fiber (5) of described coupled section straight hole is passed.
2. plug formula optical secondary module according to claim 1, it is characterized in that: the xsect of described angle coupled fiber adapter (4) coupled section and the axis normal of described linkage section straight hole, the angle of the axle center vertical plane of the coupled section straight hole of the xsect of coupled section and angle coupled fiber adapter (4) is 2 jiaos of θ.
3. plug formula optical secondary module according to claim 1 is characterized in that: the scope that described θ is 1 jiao is 1 °～10 °.
4. plug formula optical secondary module according to claim 1 is characterized in that: described optical fiber (5) is 1～25mm by the bending radius scope in the crooked connecting hole.
5. plug formula optical secondary module according to claim 2 is characterized in that: the scope that described θ is 2 jiaos is 0 °～30 °.
6. according to each described plug formula optical secondary module in the claim 1～5, it is characterized in that: the linkage section of described angle coupled fiber adapter (4), crooked interface section and coupled section are structure as a whole, and described crooked interface section is for connecting the crooked connecting hole of coupled section straight hole and linkage section straight hole.
7. plug formula optical secondary module according to claim 6 is characterized in that: the bending radius scope of described crooked connecting hole is 1～25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202897340U CN201600471U (en) | 2009-12-31 | 2009-12-31 | Plug-in-type optical sub-module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202897340U CN201600471U (en) | 2009-12-31 | 2009-12-31 | Plug-in-type optical sub-module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201600471U true CN201600471U (en) | 2010-10-06 |
Family
ID=42811535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202897340U Expired - Fee Related CN201600471U (en) | 2009-12-31 | 2009-12-31 | Plug-in-type optical sub-module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201600471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223448A1 (en) * | 2020-05-08 | 2021-11-11 | 青岛海信宽带多媒体技术有限公司 | Optical module |
-
2009
- 2009-12-31 CN CN2009202897340U patent/CN201600471U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223448A1 (en) * | 2020-05-08 | 2021-11-11 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8714836B2 (en) | Optical/electrical composite connector and manufacturing method thereof | |
| CN202256783U (en) | Optical fiber direct steer connector | |
| CN104246567A (en) | Active optical cable assembly including optical fiber movement control | |
| CN102508343A (en) | Single-fiber bidirectional component and packaging method thereof | |
| CN201600471U (en) | Plug-in-type optical sub-module | |
| CN110850533A (en) | Single-fiber four-way optical assembly and optical module | |
| CN205139428U (en) | Transmission line structure | |
| CN106443907A (en) | Optical device achieving receiving and transmitting on same side | |
| CN101718895B (en) | Fiber stub and process for producing same | |
| CN200976711Y (en) | Flexible circuit based high-speed photoelectric devices | |
| US20110286697A1 (en) | Optical fiber coupler | |
| CN201628783U (en) | Tail-fiber type optical sub-module | |
| CN209132463U (en) | A kind of tube-through type connector | |
| CN105158856B (en) | Pluggable optical passive device | |
| CN203881974U (en) | 10G SFP+ AOC (active optical cable) structure | |
| CN207352218U (en) | A kind of Double End fiber array | |
| CN210243893U (en) | Integral type optic fibre link up switching dish | |
| CN209590341U (en) | Coaxial optical device | |
| CN209342986U (en) | A kind of microminiature elbow fiber array structure | |
| CN206584081U (en) | One kind transmitting-receiving homonymy optical device | |
| CN102269850A (en) | Optical fiber direct-steering connector | |
| CN102436044B (en) | Plug type single-fiber three-way photoelectric component | |
| CN216561091U (en) | Optical fiber ferrule | |
| CN207336817U (en) | Optical fiber connector | |
| CN201314960Y (en) | Single-fiber bidirectional two-port component device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20181231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |