CN2505856Y - Optical receiving-transmitting module - Google Patents
Optical receiving-transmitting module Download PDFInfo
- Publication number
- CN2505856Y CN2505856Y CN 01263444 CN01263444U CN2505856Y CN 2505856 Y CN2505856 Y CN 2505856Y CN 01263444 CN01263444 CN 01263444 CN 01263444 U CN01263444 U CN 01263444U CN 2505856 Y CN2505856 Y CN 2505856Y
- Authority
- CN
- China
- Prior art keywords
- optical transceiver
- mirror
- reflecting surface
- light
- surface mirror
- 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 Communication System (AREA)
Abstract
The utility model discloses a Light receiving and transmitting module which is composed of a laser diode, a photo diode, a collimator and a light receiving and transmitting element, wherein the light receiving and transmitting element has the function of light condensation is provided with a convergence surface mirror composed of a reflecting surface mirror and a concave mirror; the laser diode generating and transmitting a light source of signal light, the collimator for coupling the signal light and the photo diode capable of receiving the signal light are all arranged at the right side of the reflecting surface mirror in the light receiving and transmitting element. The reflecting surface mirror can be composed of a plane mirror with an angle surface and can also be composed of a concave mirror. Thereby, the principles of the reflection of the reflecting surface mirror and the convergence of the concave mirror can be utilized to achieve the transmission and the collection of light signals; the utility model has the advantages of simple structure, strong transmitting light signals and remote transmission distance.
Description
Technical field
The utility model relates to optical transceiver module, and it is mainly used in the fiber optics communication system collection and emission to light signal.
Background technology
Development along with current society, Fiber to the home, and this modern communication pattern has also obtained unprecedented development, a kind of electrooptical device that arises at the historic moment thus is so-called optical transceiver module, it mainly is that the light signal that will receive converts electric signal to, and the electrooptical device that becomes light signal to launch again electrical signal conversion to be sent simultaneously.This development has also further promoted fiber-to-the-home development.Optical transceiver module is as the important component part of optical transceiving device, and its structure has varied.At present, just have a kind of as shown in Figure 1 mainly by a laser diode (LD) 1 ', an optical transceiver cell 2 ', the optical transceiver module of a collimating apparatus (COLLIMATOR) 3 ' one photodiodes (PD) 4 ' formation, though it is this simple in structure, but because its optical transceiver cell 2 ' be a diaphragm, and this diaphragm to be having convergence function, so the light source that causes laser diode 1 ' send is also undesirable through the effect that diaphragm enters collimating apparatus 3 ' be coupled again.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of simple in structure and optical transceiver module that the light source coupling effect is good at the problems referred to above.
For achieving the above object, the solution that the utility model is taked is as follows: a kind of optical transceiver module that mainly is made of a laser diode, an optical transceiver cell, a collimating apparatus and a photodiode, the emphasis of its design is that the optical transceiver cell of tool converging light effect is provided with the convergence plane mirror that a reflecting surface mirror and is formed by concave mirror, but and produces and the photodiode of the laser diode of emission flashlight light source, collimating apparatus that coupled signal light is used and received signal light all places the right side of optical transceiver cell reflecting surface mirror.
The reflecting surface mirror of above-mentioned optical transceiver cell can be made of the level crossing of a tool angle of wedge face, also can be formed by a concave mirror.
Hence one can see that, the utility model is that the optical transceiver cell that utilizes a reflecting surface mirror and a convergence plane mirror to constitute replaces original diaphragm and realizes the collection of light and emission in use, and borrow the high anti-high-reflecting film that plates on high transmittance film, the convergence plane mirror that reaches that plates on the reflecting surface mirror to form effective reflection and converging action, strengthened its coupling effect, reach stable performance, make light signal enhancing, the transmission range of emission farther, and it is simple in structure, cost is low.
Description of drawings
Fig. 1 is a light path synoptic diagram of commonly using product;
Fig. 2 is an index path of the present utility model;
Fig. 3 is the structural map of optical transceiver cell in the utility model;
Fig. 4 is a wiring layout of the present utility model;
Fig. 5 is another enforcement structural map of optical transceiver cell in the utility model.
Embodiment
At first, see also shown in Figure 2ly, the designed optical transceiver module of the utility model mainly is made up of a laser diode (LD) 1, an optical transceiver cell 2, a collimating apparatus (COLLIMATOR) 3 and a photodiode (PD) 4.Wherein: the optical transceiver cell 2 of tool converging light effect is provided with a reflecting surface mirror 21 and a convergence plane mirror 22, the diameter of optical transceiver cell 2 is 1.8-2mm, its convergence plane mirror 22 is that a radius is the concave mirror of 2-5mm, reflecting surface mirror 21 can be made as the level crossing of a tool α angle of wedge (the formed angle α of wedge surface and vertical plane is preferably 8 °), but and the photodiode 4 that will produce and launch the laser diode 1 of flashlight light source, collimating apparatus that coupled signal light is used 3 and received signal light place the right side of optical transceiver cell 2 reflecting surface mirrors 21.
The utility model is when concrete the use, the collection of its flashlight can be with reference to shown in Fig. 2-4 with emission: when flashlight is gathered, because being coated with wavelength on the reflecting surface mirror 21 is the film of 1310nm flashlight tool high reflection, from collimating apparatus 3, penetrate the angle of wedge face that shines reflecting surface mirror 21 after be mapped in the photodiode 4 when flashlight, because the receiving area of PD pipe is more much bigger than the hot spot that penetrates from collimating apparatus.Therefore need not to add other optical device just can reach good coupling effect; And the flashlight reflection of light that LD penetrates is when being mapped to reflecting surface mirror 21, because also being coated with wavelength on the reflecting surface mirror 21 is the high saturating film of 1550nm flashlight, so flashlight is after 21 refractions of reflecting surface mirror, can be coated with wavelength with a branch of approximate directional light directive is the convergence plane mirror 22 of 1550mm flashlight high-reflecting film, behind convergence plane mirror 22 convergence reflexs, incide in the collimating apparatus 3 with less hot spot, thus the emission of realization flashlight.
In addition, the reflecting surface mirror 21 of optical transceiver cell 2 also can be set as the concave mirror that a radius is 2-5mm in the utility model, as shown in Figure 5, makes optical transceiver cell 2 form a pair of curved-surface structure, and a same embodiment of its principle of work is so no longer describe in detail.
Claims (3)
1, a kind of optical transceiver module that mainly constitutes by a laser diode, an optical transceiver cell, a collimating apparatus and a photodiode, it is characterized in that: the optical transceiver cell of tool converging light effect is provided with the convergence plane mirror that a reflecting surface mirror and is formed by concave mirror, but and produces and the photodiode of the laser diode of emission flashlight light source, collimating apparatus that coupled signal light is used and received signal light all places the right side of optical transceiver cell reflecting surface mirror.
2, optical transceiver module as claimed in claim 1 is characterized in that: the reflecting surface mirror of described optical transceiver cell is the level crossing of a tool angle of wedge face.
3, optical transceiver module as claimed in claim 1 is characterized in that: the reflecting surface mirror of described optical transceiver cell is a concave mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01263444 CN2505856Y (en) | 2001-10-25 | 2001-10-25 | Optical receiving-transmitting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01263444 CN2505856Y (en) | 2001-10-25 | 2001-10-25 | Optical receiving-transmitting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2505856Y true CN2505856Y (en) | 2002-08-14 |
Family
ID=33671029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01263444 Expired - Fee Related CN2505856Y (en) | 2001-10-25 | 2001-10-25 | Optical receiving-transmitting module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2505856Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436038A (en) * | 2011-12-27 | 2012-05-02 | 华为技术有限公司 | Optical path coupler, optical path coupling device and optical path coupling method |
-
2001
- 2001-10-25 CN CN 01263444 patent/CN2505856Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436038A (en) * | 2011-12-27 | 2012-05-02 | 华为技术有限公司 | Optical path coupler, optical path coupling device and optical path coupling method |
| CN102436038B (en) * | 2011-12-27 | 2013-10-09 | 华为技术有限公司 | Optical path coupler, optical path coupling device and optical path coupling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108594206B (en) | Light transmission module, laser emission module, laser radar system and vehicle | |
| CN110058362B (en) | Single-fiber bidirectional transceiver based on pentagonal prism and interference filter | |
| JP3521111B2 (en) | Single fiber bidirectional data link | |
| US5146516A (en) | Optoelectrical sending and receiving apparatus | |
| JP2004505293A (en) | Optical fiber system | |
| CN110596828A (en) | Optical module | |
| CN102957479A (en) | LED visible light communication system and light receiving antenna | |
| CN110596829B (en) | Optical module with OTDR function | |
| CN203786342U (en) | Optical assembly | |
| CN113917628B (en) | Combo Plus OLT optical device | |
| TW200306711A (en) | Optical part for two-way optical communication | |
| CN2505856Y (en) | Optical receiving-transmitting module | |
| CN109143497A (en) | A kind of optical module | |
| CN201004103Y (en) | Single fiber multi-direction photoelectric module | |
| CN112612065A (en) | Coaxial optical fiber sensor | |
| JP7197435B2 (en) | Optical receptacles and optical modules | |
| CN116859531A (en) | Silicon optical active communication optical cable and electronic equipment | |
| CN208384176U (en) | A kind of optical transmission module and device with backlight monitoring | |
| CN2872301Y (en) | Optical distance measuring unit | |
| CN2906644Y (en) | Wide-view-field optical device for laser echo detection | |
| CN210270269U (en) | Wavelength division multiplexer | |
| JP2001188149A (en) | Bi-directional optical communicator and bi-directional optical communicating device | |
| JP3834178B2 (en) | Bidirectional optical communication device and bidirectional optical communication device | |
| CN205958802U (en) | A smooth subassembly of receiving and dispatching for multichannel parallel transmission | |
| KR100294666B1 (en) | wireless optical communication system using infrared rays |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |