CN202102145U - Socket structure used in optical sub-assembly for transceivers - Google Patents
Socket structure used in optical sub-assembly for transceivers Download PDFInfo
- Publication number
- CN202102145U CN202102145U CN2011201295933U CN201120129593U CN202102145U CN 202102145 U CN202102145 U CN 202102145U CN 2011201295933 U CN2011201295933 U CN 2011201295933U CN 201120129593 U CN201120129593 U CN 201120129593U CN 202102145 U CN202102145 U CN 202102145U
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- CN
- China
- Prior art keywords
- headgear
- pedestal
- accepting hole
- sleeve
- hole
- 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
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Abstract
A socket structure used in optical sub-assembly for transceivers comprises an accommodating tube, a pedestal arranged in the accommodating tube coaxially and possessing a first headgear accommodating hole and a second headgear inclined accommodating hole, a sleeve arranged in the pedestal and the accommodating tube coaxially, a first headgear arranged in the first headgear accommodating hole of the pedestal and the accommodating tube coaxially, a second headgear combined in the second headgear inclined accommodating hole of the pedestal, and an optical fiber arranged between the first headgear and the second headgear. Because the second headgear is arranged in the pedestal in an inclined manner, the coupling loss can be reduced to improve the light coupling efficiency.
Description
Technical field
The utility model relates to a kind of light receiving and transmitting submodule that improves light coupling efficient and uses socket.
Background technology
In Fiber Optical Communication System; Light receiving and transmitting submodule (Optical Sub-Assembly for Transceivers) is the important media in light signal and the electric signal conversion; Light receiving and transmitting submodule can be divided into emission light signal the light transmission secondary module (Transmitting Optical Sub-Assembly, TOSA); The bidirectional light receiving and transmitting submodule of the message that can hold twocouese simultaneously in same optical fiber (Bi-direction Optical Sub-Assembly, BOSA); And the three-dimensional light receiving and transmitting submodule types such as (Tri-direction Optical Sub-Assembly, TRI-DI OSA) that can receive digital signal and analog signal simultaneously and launch digital signal.This TOSA, BOSA, TRI-DI OSA have a socket and can supply the joints of optical fibre to insert and the optical registration of formation coupling, so that the light signal is transmitted.
Shown in Figure 1A, this socket 10 comprises accommodates pipe 11; One pedestal 12 is coaxial to be arranged at this and to accommodate in the pipe 11, and is positioned at this and accommodates pipe 11 bottoms; One sleeve (Sleeve) 13 is coaxial to be arranged at this and to accommodate in pipe 11 and the pedestal 12; And a headgear (Fiber stub) 14 coaxial being arranged in this pedestal 12 and the sleeve 13, the inside of this headgear 14 is provided with an optical fiber 15.The bottom surface of this headgear 14 is provided with an inclined-plane 16, can prevent that reflection source from injecting luminescence component 17, causes luminescence component to receive interference of noise.
Shown in Figure 1B, with regard to theory of geometric optics, light beam shooting angle computing formula is nSIN (θ 1)=SIN (θ 1+ θ 2), and wherein, n: optical fibre refractivity, θ 1: optical fiber is in the grinding angle of headgear end face, and θ 2: the angle of shaft axis of optic fibre and light exit direction.
Be incident to optical fiber and light by this formula and light and be the theory of optimal path from optical fiber outgoing (being angle of light and light emergence angle θ 2) is coaxial; Therefore, this headgear 14 is arranged in this pedestal 12 with upright mode, so; The light signal incident direction of luminescence component 17 and optical fiber 15 are in line; And do not penetrate not coaxially with the emergent light of optical fiber 15, and and then causing the loss of incident light signal, this disappearance need be remedied.
Summary of the invention
The utility model technical matters to be solved is: the deficiency to above-mentioned prior art, provide a kind of under the condition of the incident direction that does not change luminescence component, and can improve the light receiving and transmitting submodule of light coupling efficient and use socket.
In order to solve the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of light receiving and transmitting submodule is used socket; Comprise and accommodate pipe, pedestal, sleeve, and optical fiber; Be characterized in: also comprise first headgear, reach second headgear, this is accommodated pipe inside and has first accepting hole, second accepting hole, reaches center pit, this center pit confession fibre-optical splice insertion connection; This pedestal is incorporated in this first accepting hole of accommodating pipe, and the inside of this pedestal has sleeve accepting hole, the first headgear accepting hole, reaches the second headgear inclination accepting hole; This sleeve is incorporated in the sleeve accepting hole of this pedestal, and the partial-length of this sleeve is extended in this second accepting hole of accommodating pipe, and the inside of this sleeve has through hole; This first headgear is incorporated in the first headgear accepting hole of this pedestal, and the part of this first headgear is extended in the through hole of this sleeve, and this first headgear has top surface portion, lower face, reaches fiber optic hub, and this fiber optic hub extends axially between this upper and lower face; This second headgear is incorporated in the second headgear inclination accepting hole of this pedestal, and this second headgear is obliquely installed in this pedestal, and this second headgear has top surface portion, lower face, reaches fiber optic hub, and this fiber optic hub extends axially between this upper and lower face; This optical fiber inserts and is incorporated into the fiber optic hub of this first, second headgear.
The lower face of said second headgear is oblique shape face.
So, coaxial with the luminous signal incident of luminescence component in order to the direction of correcting the light outgoing because this second headgear is provided with in this pedestal with the inclination mode, the loss when making luminous signal reduction incident can improve light coupling efficient.
In order further to understand the characteristic and the technology contents of the utility model, please consult following detailed description and accompanying drawing in detail about the utility model, however appended graphic only for reference and explanation usefulness, and be not to be used for the utility model is done any restriction.
Description of drawings:
Figure 1A is the sectional drawing of known light receiving and transmitting submodule with socket.
Figure 1B is provided with upright mode for known headgear, and it shows the light path synoptic diagram of incident light signal and emergent light signal.
Fig. 2 is the sectional drawing of the utility model light receiving and transmitting submodule with socket.
Fig. 3 is the three-dimensional all sectional drawing of the utility model light receiving and transmitting submodule with socket.
Fig. 4 accommodates the sectional drawing of pipe for the utility model.
Fig. 5 is the sectional drawing of the utility model pedestal.
Fig. 6 is the sectional drawing of the utility model sleeve.
Fig. 7 is the sectional drawing of the utility model first headgear.
Fig. 8 is the sectional drawing of the utility model second headgear.
Fig. 9 shows the utility model second headgear angle that tilts, and it shows the light path synoptic diagram of incident light signal and emergent light signal.
Label declaration:
Light receiving and transmitting submodule is accommodated pipe 21 with socket 20
First accepting hole, 22 second accepting holes 23
Sleeve accepting hole 31 first headgear accepting holes 32
The second headgear inclination accepting hole, 33 sleeves 40
Through hole 41 first headgears 50
Fiber optic hub 53 optical fiber 54
Second headgear, 60 top surface portion 61
Embodiment:
See also Fig. 2 and shown in Figure 3, the light receiving and transmitting submodule of the utility model comprises with socket 20 accommodates pipe 21; Pedestal 30 is coaxial to be arranged at this and to accommodate in the pipe 21, and is positioned at this and accommodates pipe 21 bottoms; Sleeve 40 is coaxial to be arranged at this and to accommodate in pipe 21 and the pedestal 30; First headgear, 50 coaxial being arranged in this pedestal 30 and the sleeve 40; Second headgear 60 is arranged in this pedestal 30 with the inclination mode, and is positioned at first headgear, 50 belows; And optical fiber 54, be placed in first headgear 50 and second headgear 60.
Fig. 4 shows this and accommodates an embodiment of pipe 21; This inside of accommodating pipe 21 has this this sleeve 40 of pedestal 30, the second accepting holes 23 receivabilities of first accepting hole, 22 receivabilities, and center pit 24 is positioned at the upper end of accommodating pipe 21; Can supply a fibre-optical splice to insert and connect, must make the transmission of light signal.This first accepting hole 22 is positioned at the lower end of accommodating pipe 21, and its diameter dimension is bigger than second accepting hole 23.The diameter dimension of this second accepting hole 23 is bigger than this center pit 24.
Fig. 5 representes an embodiment of this pedestal 30.The inside of this pedestal 30 has sleeve accepting hole 31 can be in order to admit this sleeve 40; The first headgear accepting hole 32 can be in order to admit this first headgear 50; And the second headgear inclination accepting hole 33 can be in order to admit this second headgear 60, in order to do this second headgear 60 is arranged in the pedestal 30 with the inclination mode.
Fig. 6 representes an embodiment of this sleeve 40, and the inside of this sleeve 40 has through hole 41 can be in order to admit this first headgear 50.
Fig. 7 representes an embodiment of this first headgear 50.This first headgear 50 has rightabout upper and lower facial 51,52, and fiber optic hub 53 extends axially in this upper and lower facial 51,52.
Fig. 8 representes an embodiment of this second headgear 60.This second headgear 60 has rightabout upper and lower facial 61,62, and fiber optic hub 63 extends axially in this upper and lower facial 61,62.This lower face 62 is the inclined-plane, can prevent that reflected light from directly injecting in luminescence component, causes luminescence component to receive interference of noise.
In the fiber optic hub 53,63 of this first headgear 50 and second headgear 60, be fixed with optical fiber 54, so that the luminous signal of luminescence component is coupled to optical fiber 54.
Because second headgear 60 is arranged in the second headgear inclination accepting hole 33 with the inclination mode, makes the incident direction of light exit direction and light coaxial; To satisfy the computing formula of light beam shooting angle, so the light signal that luminescence component 70 is sent can be assembled the optical fiber 54 that is coupled to second headgear 60 in a large number; Reduce coupling loss by this; Significantly to improve light coupling efficient, as shown in Figure 9, because of second headgear, 60 inclinations, one θ, 2 angles; Luminous signal incident in order to the light exit direction of correcting second headgear 60 and luminescence component 70 is coaxial, can obtain best light coupling efficient.
The above content is merely the explanation of this case one preferred embodiment, but not in order to the utility model is done any restriction.Any those skilled in the art possibly utilize and take off that technology contents changes or be modified to other embodiment and the spirit and the category that still do not break away from the utility model, and the utility model scope is only by following claim restriction.
Claims (2)
1. a light receiving and transmitting submodule is used socket; Comprise and accommodate pipe, pedestal, sleeve, and optical fiber; It is characterized in that: also comprise first headgear, reach second headgear, this is accommodated pipe inside and has first accepting hole, second accepting hole, reaches center pit, this center pit confession fibre-optical splice insertion connection; This pedestal is incorporated in this first accepting hole of accommodating pipe, and the inside of this pedestal has sleeve accepting hole, the first headgear accepting hole, reaches the second headgear inclination accepting hole; This sleeve is incorporated in the sleeve accepting hole of this pedestal, and the partial-length of this sleeve is extended in this second accepting hole of accommodating pipe, and the inside of this sleeve has through hole; This first headgear is incorporated in the first headgear accepting hole of this pedestal, and the part of this first headgear is extended in the through hole of this sleeve, and this first headgear has top surface portion, lower face, reaches fiber optic hub, and this fiber optic hub extends axially between this upper and lower face; This second headgear is incorporated in the second headgear inclination accepting hole of this pedestal, and this second headgear is obliquely installed in this pedestal, and this second headgear has top surface portion, lower face, reaches fiber optic hub, and this fiber optic hub extends axially between this upper and lower face; This optical fiber inserts and is incorporated into the fiber optic hub of this first, second headgear.
2. light receiving and transmitting submodule as claimed in claim 1 is used socket, it is characterized in that: the lower face of said second headgear is oblique shape face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201295933U CN202102145U (en) | 2011-04-28 | 2011-04-28 | Socket structure used in optical sub-assembly for transceivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201295933U CN202102145U (en) | 2011-04-28 | 2011-04-28 | Socket structure used in optical sub-assembly for transceivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202102145U true CN202102145U (en) | 2012-01-04 |
Family
ID=45388150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201295933U Expired - Fee Related CN202102145U (en) | 2011-04-28 | 2011-04-28 | Socket structure used in optical sub-assembly for transceivers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202102145U (en) |
-
2011
- 2011-04-28 CN CN2011201295933U patent/CN202102145U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20200428 |