CN202372668U - Optical transmit-receive component for plastic optical fiber transmission - Google Patents
Optical transmit-receive component for plastic optical fiber transmission Download PDFInfo
- Publication number
- CN202372668U CN202372668U CN2011205258740U CN201120525874U CN202372668U CN 202372668 U CN202372668 U CN 202372668U CN 2011205258740 U CN2011205258740 U CN 2011205258740U CN 201120525874 U CN201120525874 U CN 201120525874U CN 202372668 U CN202372668 U CN 202372668U
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- lock pin
- laser diode
- optical fiber
- mounting hole
- metal shell
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Abstract
The utility model discloses an optical transmit-receive component for plastic optical fiber transmission. The optical transmit-receive component comprises an I-type laser diode, an II-type laser diode, a metal casing, a filter plate, a No. 1 photodiode, a No. 2 photodiode and a jumper wire connector lower seat component, wherein the jumper wire connector lower seat component is connected with the metal casing; the filter plate is arranged in the metal casing; the I-type laser diode is connected with the metal casing through a laser diode mounting hole after being matched with an I-type laser diode support frame; and the No. 1 photodiode is connected with the metal casing through a photodiode mounting hole. The optical transmit-receive component is used for converting wavelength of the transmission signal into 850 nm-1310 nm light signal which has smaller plastic optical fiber attenuation, the attenuation of the light wave in plastic optical fiber is greatly reduced, at the same time, coupling efficiency of the optical transmit-receive component is offered, and the processing cost of the optical transmit-receive component is reduced.
Description
Technical field
The utility model belongs to communication technical field, is specifically related to a kind of light transmitting-receiving subassembly that is used for the plastic optical fiber transmission.
Background technology
It is at present already used that Fiber to the home that scheme adopts is silica fibre; If but fracture or end face degree of impairment in use appear in silica fibre, and pliability is poor, for maintenance; Must there be the personnel of certain technology to operate; And complicated operation, strict to equipment and personnel, lay and the maintenance cost height.Plastic optical fiber is the optical fiber of processing with a kind of light penetrating copolymer.Because can utilize the ripe simple drawing process of polymkeric substance, so cost is lower, and soft, firm, diameter is bigger, connecting loss is lower.
Because the above-mentioned advantage of plastic optical fiber, in present mechanics of communication, the utilization of plastic optical fiber more and more adds extensively, and the connected mode of plastic optical fiber is corresponding also extensively gets up.But plastic optical fiber makes the application of plastic optical fiber receive considerable restraint to overwhelming majority's light wave decay of using big (silica fibre less than 0.3dBm/km, the general 60dBm/km of plastic optical fiber) of communicating by letter, and advantage can't be brought into play.
The utility model content
The purpose of the utility model is the deficiency to above-mentioned prior art, and a kind of light transmitting-receiving subassembly that is used for the plastic optical fiber transmission is provided, and solves the big problem of plastic optical fiber decay, makes the various advantages of plastic optical fiber be able to performance.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of light transmitting-receiving subassembly that is used for the plastic optical fiber transmission is provided, it is characterized in that comprising holder assembly under metal shell, filter plate and the jumper coupler; Holder assembly is connected with metal shell under the said jumper coupler; Said metal shell set inside has filter plate; Also be provided with laser diode mounting hole and photodiode mounting hole on the said metal shell; And laser diode mounting hole and photodiode mounting hole are on two vertical planes of metal shell, and the axis of holder assembly differs 0.1mm under the axis of laser diode mounting hole and the jumper coupler.
The said light transmitting-receiving subassembly that is used for the plastic optical fiber transmission also comprises I type laser diode and a photodiode; Said I type laser diode cooperates the back to be connected with metal shell through the laser diode mounting hole with I type laser diode bracing frame; A said photodiode is connected with metal shell through the photodiode mounting hole.
The said light transmitting-receiving subassembly that is used for the plastic optical fiber transmission also comprises II type laser diode and No. two photodiodes; Said II type laser diode is connected with metal shell through the laser diode mounting hole; Said No. two photodiodes are connected with metal shell through the photodiode mounting hole.
Holder assembly comprises ceramic insertion core, ceramic sleeve, lock pin tube and lock pin cover under the said jumper coupler; Said ceramic insertion core is socketed in the lock pin cover; Said ceramic sleeve is arranged between ceramic insertion core and the lock pin cover; Said lock pin jacket casing is connected on the lock pin cover outside.
Said lock pin overlaps outside stepped structure, is divided into ground floor, the second layer, the 3rd layer, and the outside diameter of ground floor is less than the outside diameter of the second layer, and the outside diameter of the second layer is less than the 3rd layer of outside diameter; The part ground floor and the second layer in the said lock pin cover; The circle diameter that said lock pin overlaps inner ground floor equates with the outside diameter of ceramic insertion core; The circle diameter that said lock pin overlaps the inner second layer equates with the outside diameter of ceramic sleeve; The outside diameter of said ceramic insertion core equates with the interior circular diameter of ceramic sleeve; Said lock pin tube is cylindrical structure, and lock pin tube end arranged outside has along the circumferential direction the bulge loop to outer lug; Said lock pin tube inside is divided into the ground floor and the second layer; Inner ground floor circle diameter of said lock pin tube and lock pin overlap the outside diameter of outside ground floor; The inner second layer circle diameter of said lock pin tube equates with the outside diameter of ceramic sleeve.
Said ceramic insertion core is connected with metal shell.Said filter plate is 45 ° of filter plates; Said filter plate is rectangular structure.Optical fiber in the said ceramic insertion core is that diameter is the multimode silica fibre of 62.5 μ m.Said metal shell is cube structure; Said metal shell simultaneously is provided with the column type bulge loop, and said column type bulge loop inner hollow forms the laser diode mounting hole; The opposed faces of said column type bulge loop place face is provided with the ceramic insertion core mounting hole; The vertical plane of said column type bulge loop place face is provided with the photodiode mounting hole.
The I type laser diode that the utility model is taked is VCSEL (Vertical Cavitv Surface-Emitting Laer) laser diode, is the TO-46 packing forms, can transmission signals be converted to the light signal of 850nm.
The II type laser diode that the utility model is taked is FP (Febry-peront) laser diode, is the TO-56 packing forms, can transmission signals be converted to the light signal of 1310nm.
The light transmitting-receiving subassembly that is used for the plastic optical fiber transmission that the utility model provides becomes the plastic optical fiber decling phase to less 850nm and the light signal of 1310nm the wavelength Conversion of transmission signals; Greatly reduce the decay of light wave in plastic optical fiber; The coupling efficiency of light transmitting-receiving subassembly is provided simultaneously, has reduced the processing cost of light transmitting-receiving subassembly.
Description of drawings
Fig. 1 is a T1310nm-R850nm light transmitting-receiving subassembly cut-open view.
Fig. 2 is a T850nm-R1310nm light transmitting-receiving subassembly cut-open view.
Fig. 3 is the metal shell stereographic map.
Fig. 4 is the filter plate stereographic map.
Fig. 5 is a lock pin tube stereographic map.
Fig. 6 is lock pin cover stereographic map.
Fig. 7 is the ceramic sleeve stereographic map.
Fig. 8 is the ceramic insertion core stereographic map.
Wherein, 11, I type laser diode; 12, II type laser diode; 2, I type laser diode bracing frame; 3, metal shell; 4, filter plate; 5, ceramic insertion core; 61, photodiode; 62, No. two photodiodes; 7, ceramic sleeve; 8, lock pin tube; 9, lock pin cover.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is carried out detailed description.
Like Fig. 1 and shown in Figure 2, the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission that the utility model provides comprises holder assembly under metal shell 3, filter plate 4 and the jumper coupler; Holder assembly is connected with metal shell 3 under the jumper coupler; Metal shell 3 set inside have filter plate 4.Also be provided with laser diode mounting hole and photodiode mounting hole on the metal shell 3, and laser diode mounting hole and photodiode mounting hole are on two vertical planes of metal shell 3.Owing to the refraction reason of filter plate, the axis of holder assembly differs 0.1mm under the axis of laser diode mounting hole and the jumper coupler.
The light transmitting-receiving subassembly that is used for the plastic optical fiber transmission that the utility model provides has two kinds of preferred implementations:
Preferred implementation one: the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission is the T1310nm-R850nm light transmitting-receiving subassembly that is provided with an I type laser diode 11 and a photodiode 61;
Preferred implementation two: the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission is the T850nm-R1310nm light transmitting-receiving subassembly that is provided with II type laser diode 12 and No. two photodiodes 62.
As shown in Figure 1, the I type laser diode 11 that T1310nm-R850nm light transmitting-receiving subassembly is provided with cooperates the back to be connected with metal shell 3 through the laser diode mounting hole with I type laser diode bracing frame 2; No. one photodiode 61 is connected with metal shell 3 through the photodiode mounting hole.
As shown in Figure 2, the II type laser diode 12 that T850nm-R1310nm light transmitting-receiving subassembly is provided with is connected with metal shell 3 through the laser diode mounting hole; No. two photodiode 62 is connected with metal shell 3 through the photodiode mounting hole.
Like Fig. 1 and shown in Figure 2, holder assembly comprises ceramic insertion core 5, ceramic sleeve 7, lock pin tube 8 and lock pin cover 9 under the jumper coupler; Ceramic insertion core 5 is socketed in the lock pin cover 9; Ceramic sleeve 7 is arranged between ceramic insertion core 5 and the lock pin cover 9; Lock pin tube 8 is socketed in lock pin and overlaps 9 outsides.
As shown in Figure 3, metal shell 3 is cube structure; Metal shell 3 one sides are provided with the column type bulge loop, and said column type bulge loop inner hollow forms the laser diode mounting hole; The opposed faces of column type bulge loop place face is provided with ceramic insertion core 5 mounting holes; The vertical plane of column type bulge loop place face is provided with the photodiode mounting hole.
As shown in Figure 4, filter plate 4 is 45 ° of filter plates; Filter plate 4 is rectangular structure.
To shown in Figure 8, lock pin overlaps 9 outside stepped structures like Fig. 5, is divided into ground floor, the second layer, the 3rd layer, and the outside diameter of ground floor is less than the outside diameter of the second layer, and the outside diameter of the second layer is less than the 3rd layer of outside diameter; The part ground floor and the second layer in the lock pin cover 9; The circle diameter that lock pin overlaps 9 inner ground floors equates with the outside diameter of ceramic insertion core 5; The circle diameter that lock pin overlaps the 9 inner second layers equates with the outside diameter of ceramic sleeve 7; The outside diameter of ceramic insertion core 5 equates with the interior circular diameter of ceramic sleeve 7; Lock pin tube 8 is cylindrical structure, and lock pin tube 8 end arranged outside have along the circumferential direction the bulge loop to outer lug; Lock pin tube 8 inside are divided into the ground floor and the second layer; Lock pin tube 8 inner ground floor circle diameters and lock pin overlap the outside diameter of 9 outside ground floors; Lock pin tube 8 inner second layer circle diameters equate with the outside diameter of ceramic sleeve 7.Optical fiber in the ceramic insertion core 5 is that diameter is the multimode silica fibre of 62.5 μ m.Ceramic insertion core 5 is connected with metal shell 3.
The light transmitting-receiving subassembly that is used for plastic optical fiber transmission sends principle of work: through I type laser diode 11 or II type laser diode 12 electrical signal conversion that modulates is become light signal, through I type laser diode 11 or II type laser diode 12 transmitting terminals light signal is launched injected plastic optical fiber; The size of the diode monitors transmitted end luminous power backlight of I type laser diode 11 or II type laser diode 12.
The light transmitting-receiving subassembly that is used for the plastic optical fiber transmission receives principle of work: through the receiving end of plastic optical fiber with the light signal input light transmitting-receiving subassembly that is loaded with; Photodiode 61 or No. two photodiodes 62 convert light signal to electric signal; This moment electric signal a little less than, the trans-impedance amplifier through a photodiode 61 or No. two photodiodes 62 amplifies the output demodulation with electric signal and promptly obtains target data.
Below only be the preferred implementation of the utility model, the protection domain of the utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to the protection domain of the utility model.Should be pointed out that for those skilled in the art,, also should be regarded as the protection domain of the utility model in the some improvement and the retouching that do not break away under the utility model principle prerequisite.
Claims (9)
1. a light transmitting-receiving subassembly that is used for the plastic optical fiber transmission is characterized in that comprising holder assembly under metal shell (3), filter plate (4) and the jumper coupler; Holder assembly is connected with metal shell (3) under the said jumper coupler; Said metal shell (3) set inside has filter plate (4); Also be provided with laser diode mounting hole and photodiode mounting hole on the said metal shell (3); And laser diode mounting hole and photodiode mounting hole are on two vertical planes of metal shell (3), and the axis of holder assembly differs 0.1mm under the axis of laser diode mounting hole and the jumper coupler.
2. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 1 is characterized in that: also comprise an I type laser diode (11) and a photodiode (61); Said I type laser diode (11) cooperates the back to be connected with metal shell (3) through the laser diode mounting hole with I type laser diode bracing frame (2); A said photodiode (61) is connected with metal shell (3) through the photodiode mounting hole.
3. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 1 is characterized in that: also comprise II type laser diode (12) and No. two photodiodes (62); Said II type laser diode (12) is connected with metal shell (3) through the laser diode mounting hole; Said No. two photodiodes (62) are connected with metal shell (3) through the photodiode mounting hole.
4. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 1, it is characterized in that: holder assembly comprises ceramic insertion core (5), ceramic sleeve (7), lock pin tube (8) and lock pin cover (9) under the said jumper coupler; Said ceramic insertion core (5) is socketed in the lock pin cover (9); Said ceramic sleeve (7) is arranged between ceramic insertion core (5) and the lock pin cover (9); Said lock pin tube (8) is socketed in lock pin cover (9) outside.
5. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 4; It is characterized in that: the outside stepped structure of said lock pin cover (9); Be divided into ground floor, the second layer, the 3rd layer; The outside diameter of ground floor is less than the outside diameter of the second layer, and the outside diameter of the second layer is less than the 3rd layer of outside diameter; The interior part ground floor of said lock pin cover (9) and the second layer; The circle diameter of the inner ground floor of said lock pin cover (9) equates with the outside diameter of ceramic insertion core (5); The circle diameter of the inner second layer of said lock pin cover (9) equates with the outside diameter of ceramic sleeve (7); The outside diameter of said ceramic insertion core (5) equates with the interior circular diameter of ceramic sleeve (7); Said lock pin tube (8) is cylindrical structure, and lock pin tube (8) end arranged outside has along the circumferential direction the bulge loop to outer lug; Said lock pin tube (8) inside is divided into the ground floor and the second layer; The outside diameter of inner ground floor circle diameter of said lock pin tube (8) and the outside ground floor of lock pin cover (9); The inner second layer circle diameter of said lock pin tube (8) equates with the outside diameter of ceramic sleeve (7).
6. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 5, it is characterized in that: said ceramic insertion core (5) is connected with metal shell (3).
7. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 1, it is characterized in that: said filter plate (4) is 45 ° of filter plates; Said filter plate (4) is rectangular structure.
8. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 6, it is characterized in that: the optical fiber in the said ceramic insertion core (5) is that diameter is the multimode silica fibre of 62.5 μ m.
9. the light transmitting-receiving subassembly that is used for the plastic optical fiber transmission according to claim 6, it is characterized in that: said metal shell (3) is cube structure; Said metal shell (3) one side is provided with the column type bulge loop, and said column type bulge loop inner hollow forms the laser diode mounting hole; The opposed faces of said column type bulge loop place face is provided with ceramic insertion core (5) mounting hole; The vertical plane of said column type bulge loop place face is provided with the photodiode mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205258740U CN202372668U (en) | 2011-12-15 | 2011-12-15 | Optical transmit-receive component for plastic optical fiber transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205258740U CN202372668U (en) | 2011-12-15 | 2011-12-15 | Optical transmit-receive component for plastic optical fiber transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372668U true CN202372668U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205258740U Expired - Fee Related CN202372668U (en) | 2011-12-15 | 2011-12-15 | Optical transmit-receive component for plastic optical fiber transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036619A (en) * | 2012-12-21 | 2013-04-10 | 中国电力科学研究院 | Single-core optical transceiver and single-core optical transmission intelligent communication module and application thereof |
| CN109557617A (en) * | 2018-12-25 | 2019-04-02 | 珠海光库科技股份有限公司 | Tunable filter |
-
2011
- 2011-12-15 CN CN2011205258740U patent/CN202372668U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036619A (en) * | 2012-12-21 | 2013-04-10 | 中国电力科学研究院 | Single-core optical transceiver and single-core optical transmission intelligent communication module and application thereof |
| CN103036619B (en) * | 2012-12-21 | 2018-01-16 | 中国电力科学研究院 | Single optical transport intelligent communication module and its application process |
| CN109557617A (en) * | 2018-12-25 | 2019-04-02 | 珠海光库科技股份有限公司 | Tunable filter |
| CN109557617B (en) * | 2018-12-25 | 2021-07-16 | 珠海光库科技股份有限公司 | Tunable filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20140331 Granted publication date: 20120808 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150331 Granted publication date: 20120808 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20131215 |
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| EXPY | Termination of patent right or utility model |