CN2525543Y - Improved duplex optical transceiver module - Google Patents
Improved duplex optical transceiver module Download PDFInfo
- Publication number
- CN2525543Y CN2525543Y CN 02200564 CN02200564U CN2525543Y CN 2525543 Y CN2525543 Y CN 2525543Y CN 02200564 CN02200564 CN 02200564 CN 02200564 U CN02200564 U CN 02200564U CN 2525543 Y CN2525543 Y CN 2525543Y
- Authority
- CN
- China
- Prior art keywords
- light
- laser diode
- crystal grain
- diode crystal
- receiving module
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 25
- 239000013078 crystal Substances 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 6
- 230000008020 evaporation Effects 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000001808 coupling effect Effects 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
An improved duplex light receiving and transmitting module comprises a body, wherein a light receiving module, a light emitting module and an optical fiber connecting piece are arranged in the body, the light emitting module bears a laser diode crystal grain by means of a metal seat and is electrically connected with one pole of the laser diode crystal grain, a lead wire is connected with a pin on the metal seat and is electrically connected with the other pole of the laser diode crystal grain, and then a metal shell is used for packaging the metal seat; a cylindrical light-gathering element is combined on a metal shell of the light-emitting module and positioned in front of the light-emitting end face of the laser diode crystal grain, one end of the cylindrical light-gathering element forms an inclined plane, and a light-splitting medium is evaporated on the inclined plane. Thus, the light emitted by the light emitting module can penetrate through the cylindrical light gathering element to be focused and coupled in the optical fiber; the received light is reflected to the light splitting medium to generate total reflection and is coupled in a light sensor of the light receiving module in a focusing mode. It can reduce the production cost, is easy to assemble, and has more accurate and efficient optical coupling effect.
Description
Technical field
The utility model relates to a kind of optical-fibre communications field, relates in particular to a kind ofly to reduce production costs, assemble easily, and has the improved duplexing light transmitting-receiving module of more accurate, more efficient optically-coupled effect.
Background technology
In present Fiber Optical Communication System generally is to adopt laser diode crystal grain as light source component, or with OPTICAL SENSORS as testing light element, this laser diode crystal grain is behind encapsulation architecture and become light emitting mould train 1; And OPTICAL SENSORS is behind encapsulation architecture and become light-receiving module 2.Shown in Figure 1A, light emitting mould train of commonly using 1 or light-receiving module 2 are to utilize metal pedestal 3 carrying laser diode crystal grain 4 (or OPTICAL SENSORS), and electrically connect with the utmost point of laser diode crystal grain 4, the pin 6 that connects metal pedestal 3 again with a lead 5, and electrically connect with another utmost point of laser diode crystal grain 4.At last, be sealed on a metal shell 7 again and give combination on the metal pedestal, and metal shell 7 is provided with a spherical collective optics 8, and be positioned at the place ahead of laser diode crystal grain 4 light emitting end surfaces, can be emitted to the external world so as to the light that light emitting mould train 1 is sent.
Shown in Figure 1B, Fig. 1 C, again light emitting mould train 1 and light-receiving module 2 are fixed on the body 9 at last, finish above-mentioned encapsulation architecture and promptly constitute a duplexing light transmitting-receiving module.Because the inside of body 9 is provided with an optical lens 10, the upper and lower surface evaporation of this optical lens 10 has the medium of different penetrances, so that the light that laser diode crystal grain 1 is sent is coupled in the optical fiber 11 via optical lens 10 refraction, the light that optical fiber 11 is received then by optical lens 10 total reflections to the OPTICAL SENSORS of light-receiving module 2.
This optical lens 10 is to be fixed on the runners 13 of support member 12, after finishing aforesaid joint, support member 12 can be inserted in body 9 inside, and with optical lens 10 be adjusted to optimum angle to produce the phenomenons of reflection or refraction so that light one is mapped to optical lens 10 back.That is to say that support member 12 must be adjusted to best angular position to optical lens 10 after inserting body 9, it causes the inconvenience in the actual use.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing duplexing light transmitting-receiving module exists, the utility model provides a kind of improved duplexing light transmitting-receiving module, and it can reduce production costs, assemble easily, and has more accurate, more efficient optically-coupled effect.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of improved duplexing light transmitting-receiving module, include a body, the internal configurations of body has light-receiving module, light emitting mould train and fiber optic connector, this light emitting mould train is by metal pedestal carrying laser diode crystal grain, and form with the utmost point of laser diode crystal grain and to electrically connect, electrically connect with another utmost point of laser diode crystal grain with the pin on the lead connection metal pedestal again, utilize a metal shell to be packaged in metal pedestal again; It is characterized in that, be combined with a cylindrical collective optics on the metal shell of described smooth emitting mould train, and be positioned at the place ahead of described laser diode crystal grain light emitting end surface, an end of this cylindrical collective optics is formed with an inclined-plane, and evaporation has a beam split medium on this inclined-plane.So, the cylindrical collective optics of the light penetration that the light emitting mould train is sent focuses on and is coupling in the optical fiber; The light that receives then is mapped to and produces total reflection behind the beam split medium and focus in the OPTICAL SENSORS that is coupling in the light-receiving module.
Aforesaid improved duplexing light transmitting-receiving module, wherein cylindrical collective optics is made by the optical grade material of high index of refraction.
The beneficial effects of the utility model are can reduce production costs, assemble easily, and have more accurate, more efficient optically-coupled effect.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Figure 1A is a sectional view of commonly using the light emitting mould train.
Figure 1B is schematic perspective view, a sectional drawing of commonly using duplexing light transmitting-receiving module.
Fig. 1 C is a sectional view of commonly using duplexing light transmitting-receiving module.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is the sectional view of 3-3 hatching line shown in Figure 2.
Fig. 4 is a sectional view of the present utility model.
Fig. 5 is an index path of the present utility model.
Embodiment
See also shown in Fig. 2,3, the improved duplexing light transmitting-receiving module 20 of the utility model includes a body 21, and its internal configurations has a light-receiving module 23, one a smooth emitting mould train 30 and a fiber optic connector 22; This light-receiving module 23 is to form adjacent angle setting with light emitting mould train 30, fiber optic connector 22.Fiber optic connector 22 is made by stupalith, and its inner arranged coaxial has an optical fiber 24, and the light source that light emitting mould train 30 is sent is coupled in the optical fiber 24, and the light that receives then is coupled in the OPTICAL SENSORS of light-receiving module 23 via optical fiber 24.
Sectional view shown in Figure 4 is an example of light emitting mould train 30.This light emitting mould train 30 is to utilize a metal pedestal 31 carrying laser diode crystal grain 32, and electrically connect with the utmost point of laser diode crystal grain 32, and then be connected with the pin 34 of metal pedestal 31 with plain conductor 33, and electrically connect with another utmost point of laser diode crystal grain 32, utilize a metal shell 35 to be sealed on the metal pedestal 31 at last again to finish combination.
The utility model mainly is to utilize the cylindrical collective optics 37 with high index of refraction to be combined in the window 36 of metal shell 35, accumulate on the position of collective optics 37 front end specific ranges with the light source that light emitting mould train 30 is launched, be coupled in the light core of optical fiber 24 and light beam is focused on.
The end of cylindrical collective optics 37 forms an inclined-plane 38, and evaporation has one deck beam split medium 39 on the inclined-plane 38, so that the light that light emitting mould train 30 is sent focuses on the position far away behind cylindrical collective optics 37 optically focused.The light that receives then has different penetrances after producing reflection on the inclined-plane 38 because of beam split medium 39, focuses on the position far away.
See also Fig. 3 and Fig. 5 as can be known, the light that light emitting mould train 30 is sent is coupled in the optical fiber 24 through cylindrical collective optics 37 optically focused; The light that optical fiber 24 is received then is mapped to beam split medium 39 and full-reflection spotlight is coupled on the OPTICAL SENSORS of light-receiving module 23.
Generally speaking, smooth emitting mould train 30 of the present utility model mainly is to be combined in the place ahead of laser diode crystal grain 32 light emitting end surfaces with cylindrical collective optics 37, and the light that light emitting mould train 30 is sent is coupling in the light core of optical fiber 24 through cylindrical collective optics focusing; The end of collective optics 37 has an inclined-plane 38 and evaporation has a beam split medium 39, makes the light of reception be mapped to beam split medium 39 back generation reflexes, is coupling in the OPTICAL SENSORS of light-receiving module 23 and focus on; That is to say, the cylindrical collective optics 37 of the utility model meets that cost is low, assembling easily, and have more accurate, more efficient optically-coupled effect.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (2)
1, a kind of improved duplexing light transmitting-receiving module, include a body, the internal configurations of body has light-receiving module, light emitting mould train and fiber optic connector, this light emitting mould train is by metal pedestal carrying laser diode crystal grain, and form with the utmost point of laser diode crystal grain and to electrically connect, electrically connect with another utmost point of laser diode crystal grain with the pin on the lead connection metal pedestal again, utilize a metal shell to be packaged in metal pedestal again; It is characterized in that, be combined with a cylindrical collective optics on the metal shell of described smooth emitting mould train, and be positioned at the place ahead of described laser diode crystal grain light emitting end surface, an end of this cylindrical collective optics is formed with an inclined-plane, and evaporation has a beam split medium on this inclined-plane.
2, improved duplexing light transmitting-receiving module according to claim 1 is characterized in that described cylindrical collective optics made by the optical grade material of high index of refraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200564 CN2525543Y (en) | 2002-01-15 | 2002-01-15 | Improved duplex optical transceiver module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200564 CN2525543Y (en) | 2002-01-15 | 2002-01-15 | Improved duplex optical transceiver module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2525543Y true CN2525543Y (en) | 2002-12-11 |
Family
ID=33683723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02200564 Expired - Lifetime CN2525543Y (en) | 2002-01-15 | 2002-01-15 | Improved duplex optical transceiver module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2525543Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397128C (en) * | 2004-12-10 | 2008-06-25 | 财团法人工业技术研究院 | Optical fiber waveguide type optical submodule |
| CN1580846B (en) * | 2003-08-05 | 2011-04-13 | 安华高科技光纤Ip（新加坡）私人有限公司 | Optical interconnect for fiber optic system |
| CN101150368B (en) * | 2006-09-21 | 2011-12-28 | 光环科技股份有限公司 | Bidirectional optical signal transceiver |
| CN104049311A (en) * | 2013-03-11 | 2014-09-17 | 鸿富锦精密工业（深圳）有限公司 | Optical-communication-module assembly device |
| CN108398752A (en) * | 2018-04-02 | 2018-08-14 | 深圳市光兴创科技有限公司 | The novel single fiber bi-directional electrooptical device and its integrated base without lock pin |
-
2002
- 2002-01-15 CN CN 02200564 patent/CN2525543Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580846B (en) * | 2003-08-05 | 2011-04-13 | 安华高科技光纤Ip（新加坡）私人有限公司 | Optical interconnect for fiber optic system |
| CN100397128C (en) * | 2004-12-10 | 2008-06-25 | 财团法人工业技术研究院 | Optical fiber waveguide type optical submodule |
| CN101150368B (en) * | 2006-09-21 | 2011-12-28 | 光环科技股份有限公司 | Bidirectional optical signal transceiver |
| CN104049311A (en) * | 2013-03-11 | 2014-09-17 | 鸿富锦精密工业（深圳）有限公司 | Optical-communication-module assembly device |
| CN108398752A (en) * | 2018-04-02 | 2018-08-14 | 深圳市光兴创科技有限公司 | The novel single fiber bi-directional electrooptical device and its integrated base without lock pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120115 Granted publication date: 20021211 |