CN204374485U - Optical transceiver - Google Patents
Optical transceiver Download PDFInfo
- Publication number
- CN204374485U CN204374485U CN201520003755.7U CN201520003755U CN204374485U CN 204374485 U CN204374485 U CN 204374485U CN 201520003755 U CN201520003755 U CN 201520003755U CN 204374485 U CN204374485 U CN 204374485U
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- Prior art keywords
- transmitting set
- optical transmitting
- lens
- substrate
- optical
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- 230000003287 optical effect Effects 0.000 title claims abstract description 107
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process 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
- 230000009514 concussion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model relates to a kind of reflected light interference can effectively eliminated in light transmission path, the optical transceiver that transmission quality is high, comprise substrate and support cover, described substrate is PCB, described support cover is arranged on substrate, optical transmitting set is provided with in support cover, first lens and the second lens, substrate is PCB, optical transmitting set is fixedly installed on substrate, and the output light of optical transmitting set has circular output facula, first lens are fixedly installed on the top of the output terminal of optical transmitting set, the light that optical transmitting set sends through the first lens transmission to the second lens and by the second Lens Coupling in optical fiber, between the center line of the output light of optical transmitting set and the center line of the first lens, there is certain angle, and the scope of angle is-1 degree ~-20 to be spent or 1 degree ~ 20 degree.
Description
Technical field
The utility model relates to a kind of optical element, particularly relates to a kind of optical transceiver.
Background technology
In optical communications, optical transceiver is one of complete indispensable device, it comprises optical transmitting set and light source, be generally laser instrument, also comprise some auxiliary lens and catoptrons, during use, the output terminal of optical transceiver and Fiber connection, the light that optical transmitting set is launched shakes back and forth in the loop that optical transmitting set and optical fiber form, part reflected light back is got back in optical transmitting set, makes resonance and the Transmit Degrade of optical transmitting set, thus forms the high frequency noise in eye diagram measurement, verify after tested, reflected light interference causes the error of receiving end at least at more than 1dBm.
Because above-mentioned defect, the design people, actively in addition research and innovation, to founding a kind of optical transceiver of new structure, make it have more value in industry.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of reflected light interference can effectively eliminated in light transmission path, the optical transceiver that transmission quality is high.
Optical transceiver of the present utility model, comprise substrate and support cover, described substrate is PCB, described support cover is arranged on substrate, optical transmitting set is provided with in described support cover, first lens and the second lens, described substrate is PCB, described optical transmitting set is fixedly installed on substrate, and the output light of optical transmitting set has circular output facula, described first lens are fixedly installed on the top of the output terminal of optical transmitting set, the light that described optical transmitting set sends through the first lens transmission to the second lens and by the second Lens Coupling in optical fiber, between the center line of the output light of described optical transmitting set and the center line of the first lens, there is certain angle, and the scope of angle is-1 degree ~-20 to be spent or 1 degree ~ 20 degree.
Compared with existing optical transceiver, in the middle of the center line of the output light of its optical transmitting set of optical transceiver of the present utility model and the center line of the first lens, there is certain angle, from the first lens, the second lens or fiber reflection return optical fiber major part not direct irradiation on optical transmitting set, the concussion of reflected light in the light path formed at optical transceiver and optical fiber is reduced greatly, thus reduce the interference of reflected light to optical transmitting set, improve the transmission quality of the light of optical transceiver.
As further preferred structure of the present utility model, the central axis of described first lens is in the upper surface of substrate, the center line of output light of described optical transmitting set and the plane perpendicular of optical transmitting set, middle layer is provided with between optical transmitting set and substrate, the side of the bottom surface of optical transmitting set is arranged on substrate, the middle part of the bottom surface of optical transmitting set is arranged on the intermediate layer, thus make between the bottom surface of optical transmitting set and substrate to be non-parallel setting, between the center line of the output light of optical transmitting set and the center line of the first lens, there is certain angle.This is a kind of specific implementation structure of optical transceiver.
As the further improvement of above-mentioned preferred structure, described middle layer is elargol or heat sink or protective seam.This design reduces the manufacturing cost of optical transceiver.
As another kind of preferred structure of the present utility model, the center line of output light of described optical transmitting set and the plane perpendicular of optical transmitting set, the bottom surface of optical transmitting set and the surface of substrate be arranged in parallel, the described center line of the first lens and the upper surface of substrate are non-vertically arranged, thus make to have certain angle between the center line of the output light of optical transmitting set and the center line of the first lens.This is the another kind of specific implementation structure of optical transceiver.
As another kind of preferred structure of the present utility model, described optical transmitting set is vertical cavity surface emitting laser.Little, the circular output facula of vertical cavity surface emitting laser volume, single longitudinal mode export, threshold current is little, cheap, easy of integration is large area array.
In sum, optical transceiver of the present utility model, between the center line of the output light of its optical transmitting set and the center line of the first lens, there is certain angle, thus greatly reduce the interference of reflected light to optical transmitting set, effectively can eliminate the reflected light interference in light transmission path, transmission quality is high.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the optical transceiver of embodiment one;
Fig. 2 is the index path of the optical transceiver of embodiment one;
Fig. 3 is the local index path of optical transmitting set to the first lens of the optical transceiver of embodiment one;
Fig. 4 is the partial enlarged drawing in A portion in Fig. 1;
Fig. 5 is the structural representation of the optical transceiver of embodiment two;
Fig. 6 is the partial enlarged drawing in B portion in Fig. 5.
In figure, 1: substrate; 2: support cover; 3: optical transmitting set; 4: the first lens; 5: the second lens; 6: Gold plated Layer; 7: middle layer; 8: catoptron.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figures 1 to 4, the optical transceiver of embodiment one of the present utility model, comprise substrate 1 and support cover 2, optical transmitting set 3 is provided with in support cover, first lens 4 and the second lens 5, substrate is PCB, substrate is provided with Gold plated Layer 6 and middle layer 7, and the height in middle layer comparatively Gold plated Layer wants high, it is highly calculated by the concrete angle requirement needed, the side of the bottom surface of optical transmitting set is arranged in Gold plated Layer, the middle part of the bottom surface of optical transmitting set is arranged on the intermediate layer, thus make that there is between the bottom surface of optical transmitting set and substrate certain angle, the output light of optical transmitting set has circular output facula, its center line is in vertical state substantially with the bottom surface of optical transmitting set, first lens are arranged on the top of optical transmitting set, and the center line of the first lens is vertical with substrate, thus make, between the center line of the output light of optical transmitting set and the center line of the first lens, there is certain angle, this angular range is that-1 degree ~-20 are spent or 1 degree ~ 20 degree, second lens are arranged on the output terminal of optical transceiver, catoptron 8 is provided with between the second lens and the first lens, the light sent from optical transmitting set enters the first lens transmission to catoptron, and through bounce transmission to the second lens place of catoptron, during use, second lens place is connected with optical fiber, the light part having optical transmitting set to launch is through the first lens, second lens and fiber reflection light echo transmitter place, because optical transmitting set is for being obliquely installed, the light major part reflecting back into optical transmitting set place is made not enter into optical transmitting set, thus avoid the interference of reflected light to optical transmitting set, improve the transmission quality of the light of optical transceiver.
As preferably, above-mentioned middle layer can be elargol or heat sink or protective seam.This design reduces the manufacturing cost of optical transceiver.
As shown in FIG. 5 and 6, the optical transceiver of embodiment two of the present utility model, it is substantially identical with the optical transceiver of embodiment one, difference is only: the optical transceiver of the present embodiment, the bottom surface of its optical transmitting set and substrate-parallel, and the center line of the first lens and the surface of substrate are in non-perpendicular state, thus make, between the center line of the center line of optical transmitting set and the first lens, there is certain angle, the scope of this angle is that-1 degree ~-20 are spent or 1 degree ~ 20 degree, thus reaches the beneficial effect substantially identical with the optical transceiver of embodiment one.
In addition, in embodiment one and embodiment two, optical transmitting set may be selected to be vertical cavity surface emitting laser.Little, the circular output facula of vertical cavity surface emitting laser volume, single longitudinal mode export, threshold current is little, cheap, easy of integration is large area array.
Below be only preferred implementation of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (5)
1. an optical transceiver, comprise substrate and support cover, described substrate is PCB, described support cover is arranged on substrate, optical transmitting set is provided with in support cover, first lens and the second lens, described optical transmitting set is fixedly installed on substrate, and the output light of optical transmitting set has circular output facula, described first lens are fixedly installed on the top of the output terminal of optical transmitting set, the light that described optical transmitting set sends through the first lens transmission to the second lens and by the second Lens Coupling in optical fiber, it is characterized in that: between the center line of the output light of described optical transmitting set and the center line of the first lens, there is certain angle, and the scope of angle is-1 degree ~-20 to be spent or 1 degree ~ 20 degree.
2. optical transceiver according to claim 1, it is characterized in that: the central axis of described first lens is in the upper surface of substrate, the center line of output light of described optical transmitting set and the plane perpendicular of optical transmitting set, middle layer is provided with between optical transmitting set and substrate, the side of the bottom surface of optical transmitting set is arranged on substrate, the middle part of the bottom surface of optical transmitting set is arranged on the intermediate layer, thus make between the bottom surface of optical transmitting set and substrate to be non-parallel setting, between the center line of the output light of optical transmitting set and the center line of the first lens, there is certain angle.
3. optical transceiver according to claim 2, is characterized in that: described middle layer is elargol or heat sink or protective seam.
4. optical transceiver according to claim 1, it is characterized in that: the center line of output light of described optical transmitting set and the plane perpendicular of optical transmitting set, the bottom surface of optical transmitting set and the surface of substrate be arranged in parallel, the described center line of the first lens and the upper surface of substrate are non-vertically arranged, thus make to have certain angle between the center line of the output light of optical transmitting set and the center line of the first lens.
5. optical transceiver according to claim 1, is characterized in that: described optical transmitting set is vertical cavity surface emitting laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003755.7U CN204374485U (en) | 2015-01-05 | 2015-01-05 | Optical transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520003755.7U CN204374485U (en) | 2015-01-05 | 2015-01-05 | Optical transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204374485U true CN204374485U (en) | 2015-06-03 |
Family
ID=53330693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520003755.7U Expired - Fee Related CN204374485U (en) | 2015-01-05 | 2015-01-05 | Optical transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204374485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824084A (en) * | 2015-01-05 | 2016-08-03 | 山东太平洋光纤光缆有限公司 | Optical transceiver |
-
2015
- 2015-01-05 CN CN201520003755.7U patent/CN204374485U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105824084A (en) * | 2015-01-05 | 2016-08-03 | 山东太平洋光纤光缆有限公司 | Optical transceiver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170213 Address after: 252000 Liaocheng economic and Technological Development Zone, Shandong, No. 259 the Yellow River Road Patentee after: PACIFIC OPTOELECTRONIC TECHNOLOGY CO.,LTD. Address before: 252311 West Lake Town, Yanggu County, Shandong, China, No. 14, No. Patentee before: SHANDONG PACIFIC OPTICAL FIBER CABLE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 252000 Liaocheng economic and Technological Development Zone, Shandong, No. 259 the Yellow River Road Patentee after: Pacific (Liaocheng) Photoelectric Technology Co.,Ltd. Address before: 252000 Liaocheng economic and Technological Development Zone, Shandong, No. 259 the Yellow River Road Patentee before: PACIFIC OPTOELECTRONIC TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |