CN2791667Y - Assembling stru cture of optical fiber isolator - Google Patents
Assembling stru cture of optical fiber isolator Download PDFInfo
- Publication number
- CN2791667Y CN2791667Y CNU2005200690910U CN200520069091U CN2791667Y CN 2791667 Y CN2791667 Y CN 2791667Y CN U2005200690910 U CNU2005200690910 U CN U2005200690910U CN 200520069091 U CN200520069091 U CN 200520069091U CN 2791667 Y CN2791667 Y CN 2791667Y
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- single fiber
- collimating apparatus
- outer tube
- isolator core
- plane
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Abstract
The utility model discloses an assembling structure of an optical fiber isolator, which comprises a first single fiber collimator, a second single fiber collimator, an isolator core and a hollow transition pipe. Because an outer sleeve pipe is respectively bonded with the first single fiber collimator, the isolator core and the hollow transition pipe by adhesive objects, if a user makes certain thrust force facing to the hollow transition pipe to the first single fiber collimator, the isolator core and the second single fiber collimator which are sheathed together, not only the glue layers of the adhesive surface are uniform, but also the optimum thickness of the glue layer can be obtained. Thereby, the whole component has the strong fastness. Meanwhile, the utility model can avoid the defect that the temperature performance is decreased because the soldering tin in the present isolator is uneven. Therefore, the utility model has the advantages of simple structure, accurate assembly and good performance.
Description
Technical field
The utility model relates to a kind of optical passive component, particularly relates to a kind of assembly structure of fibre optic isolater.
Background technology
Fibre optic isolater is the nonreciprocal Transmission Fibers passive device of a kind of light, is used for the backlight eliminating or suppress to produce in the fiber channel.Fibre optic isolater is widely used in having become one of indispensable Primary Component in modern many photoelectron technologies field in high-speed high capacity optical fiber communication, image intensifer and the optical cable television systems such as (CATV).
Present fibre optic isolater assembly structure as shown in Figure 1, mainly comprise collimating apparatus 1 ', isolator core 2 ' and 3 ' three parts of collimating apparatus.Single fiber head 11 ' and lens 12 ' are fixed in the stay pipe 14 ' by glue 13 ', composition collimating apparatus 1 '; Single fiber head 31 ' and lens 32 ' are fixed in the stay pipe 34 ' by glue 33 ', composition collimating apparatus 3 '; Stay pipe 14 ', isolator core 2 ' and stay pipe 34 ' are fixed in the stay pipe 5 ' by scolding tin 4 '.Because collimating apparatus 1 ' and 3 ' emergent light and datum axis have certain angle, when fibre optic isolater is made, collimating apparatus 1 ' with 3 ' stay pipe 5 ' in have certain dislocation, cause the variable thickness sample of soldering-tin layer, make the decline of device temperature performance index.
Patent 02219347.2 has proposed a kind of full plastic structure, sees shown in Figure 2.Its weakness is that element is on the high side, and manufacturing process is complicated.This patent adopts the structure of more simplifying, and when improving the device temperature performance, simplifies manufacturing process, reduces cost.
The utility model content
The purpose of this utility model be to provide a kind of simple in structure, assembling accurately, the assembly structure of the better fibre optic isolater of performance.
For achieving the above object, technical solution of the present utility model is:
The assembly structure of the utility model isolator, it comprises the first single fiber collimating apparatus and the second single fiber collimating apparatus, isolator core, outer tube, hollow transition conduit; Described isolator core retainer plate is put in outer tube, and the described first single fiber collimating apparatus inner face is the plane, and this plane is relative with the isolator core; The described second single fiber collimating apparatus inner face is protruding ball sphere; An end face of described hollow transition conduit is the plane, this plane is relative with the isolator core, another end face of hollow transition conduit is recessed ball sphere, and the protruding ball inner face of this recessed ball sphere and the second single fiber collimating apparatus leans, and two sphere curvature radius that lean equate.
The described first single fiber collimating apparatus is nested with in same outer tube with the isolator core; The inner face that is with the outer tube of the first single fiber collimating apparatus and isolator core is the plane, and the planar end of this plane and hollow transition conduit leans; Between described first single fiber collimating apparatus and the outer tube, between isolator core and the outer tube, between outer tube and the hollow transition conduit and all be to bond between the hollow transition conduit and the second single fiber collimating apparatus by sticky object.
The utility model also comprises the transitional glass pipe, and this transitional glass pipe is installed between isolator core and the hollow transition conduit, and this transitional glass pipe two sides is the plane.
An end face of described outer tube is the plane, this plane and the first single fiber collimating apparatus lean, another end face of outer tube is recessed ball sphere, and the protruding ball inner face of this recessed ball sphere and the second single fiber collimating apparatus leans, and two sphere curvature radius that lean equate.
Described optical fiber collimator comprises optical fiber head, lens and collimating apparatus sleeve pipe; Described optical fiber head, lens are nested with in the collimating apparatus sleeve pipe.
Described isolator core is one pole isolator core or bipolar isolator core.
After adopting such scheme, because the utility model comprises the first single fiber collimating apparatus and the second single fiber collimating apparatus, isolator core, hollow transition conduit; Between the first single fiber collimating apparatus and the outer tube, between isolator core and the outer tube, between outer tube and the hollow transition conduit and all be to bond between the hollow transition conduit and the second single fiber collimating apparatus by sticky object.By applying certain thrust towards hollow transition conduit to the first single fiber collimating apparatus, isolator core and the second single fiber collimating apparatus that are nested with together, not only can make the bonding plane glue-line even, and can reach best bondline thickness, make entire device that very strong firmness be arranged, also avoided simultaneously in the present isolator device because the shortcoming that the inhomogeneous temperature performance that causes of scolding tin descends.Thereby, have simple in structure, assembling accurately, the better advantage of performance.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the assembly structure synoptic diagram of the fibre optic isolater of usefulness;
Fig. 2 is the assembly structure synoptic diagram of patent 02219347.2;
Fig. 3 is the structural representation of first kind of embodiment of the utility model;
Fig. 4 is the structural representation of second kind of embodiment of the utility model;
Fig. 5 is the structural representation of the third embodiment of the utility model;
Fig. 6 is the structural representation of the 4th kind of embodiment of the utility model.
Embodiment
Fig. 3 is the structural representation of first kind of embodiment of the utility model.The assembly structure of a kind of fibre optic isolater of the utility model, it comprises the first single fiber collimating apparatus 1 and the second single fiber collimating apparatus 2, isolator core 3, outer tube 4, hollow transition conduit 5.
The described first single fiber collimating apparatus 1 comprises optical fiber head 11, lens 12 and collimating apparatus sleeve pipe 13; Described optical fiber head 11, lens 12 are nested with in collimating apparatus sleeve pipe 13.The first single fiber collimating apparatus, 1 inner face is the plane, and this plane and isolator core 3 are relative and be nested with together in outer tube 4.The inner face that is with the outer tube 4 of the first single fiber collimating apparatus 1 and isolator core 3 is plane 41.
The described second single fiber collimating apparatus 2 comprises optical fiber head 21, lens 22 and collimating apparatus sleeve pipe 23; Described optical fiber head 21, lens 22 are nested with in collimating apparatus sleeve pipe 23.The second single fiber collimating apparatus, 2 inner faces are protruding ball sphere 24.
An end face of described hollow transition conduit 5 is plane 51, this plane 51 leans with the plane inner face of outer tube 4, another end face of hollow transition conduit 5 is recessed ball sphere 52, the protruding ball inner face of this recessed ball sphere 52 and the second single fiber collimating apparatus 2 leans, and two spheres that lean, 52,24 radius-of-curvature equate.Between described first single fiber collimating apparatus 1 and the outer tube 4, between isolator core 3 and the outer tube 4, between outer tube 4 and the hollow transition conduit 5 and all be to bond together between the hollow transition conduit 5 and the second single fiber collimating apparatus 2 by glue 6 or other dung.
The pipe thickness of described collimating apparatus sleeve pipe 13, outer tube 4, hollow transition conduit 5 can be identical, also can be different
Assembly method of the present utility model is (as shown in Figure 3): at first optical fiber head 11 and lens 12 (GRIN Lens or other type lens) are fixed in the collimation organ pipe 13 by glue 6, form first a stand-by single fiber collimating apparatus 1; Equally, optical fiber head 21 and lens 22 (GRIN Lens or other type lens) are fixed in the collimation organ pipe 23 by glue 6, form another second stand-by single fiber collimating apparatus 2; Again the isolator core 3 and the first single fiber collimating apparatus 1 are fixed in the outer tube 4 by glue 6, form an assembly two; Link to each other with hollow transition conduit 5 between assembly two and the second single fiber collimating apparatus 2.End face between assembly two, hollow transition conduit 5 and the second single fiber collimating apparatus 2 is bonding with glue 6.By applying certain thrust towards transition conduit 5 to assembly two, the second single fiber collimating apparatus 2, not only can make the bonding plane glue-line even, and can reach best bondline thickness, make entire device that very strong firmness be arranged, also avoided simultaneously in the present isolator device because the shortcoming that the inhomogeneous temperature performance that causes of scolding tin descends.
Fig. 4 is the structural representation of second kind of embodiment of the utility model.It comprises the first single fiber collimating apparatus 1A and the second single fiber collimating apparatus 2A, isolator core 3A, outer tube 4A, hollow transition conduit 5A.
Described isolator core 3A fixedly is nested with outside among the sleeve pipe 4A by glue 6A.
The first single fiber collimating apparatus 1A inner face is plane 11A, and this plane 11A and the left side 41A of the outer tube 4A that is with isolator core 3A fit.
The second single fiber collimating apparatus 2A inner face is protruding ball sphere 24A.
The end face of described hollow transition conduit 5A is plane 51A, the right side 42A of this plane 51A and outer tube 4A leans, another end face of hollow transition conduit 5A is recessed ball sphere 52A, the protruding ball inner face of this recessed ball sphere 52A and the second single fiber collimating apparatus 2A leans, and the two sphere 52A that lean, 24A radius-of-curvature equate.Between described isolator core 3A and the outer tube 4A, between outer tube 4A and the hollow transition conduit 5A and all be to bond together between the hollow transition conduit 5A and the second single fiber collimating apparatus 2A by glue 6A or other dung.
This kind form can make device that very strong firmness is arranged equally, and good temperature performance is arranged.
Fig. 5 is the structural representation of the third embodiment of the utility model.It comprises the first single fiber collimating apparatus 1B and the second single fiber collimating apparatus 2B, isolator core 3B, outer tube 4B, hollow transition conduit 5B.This embodiment and embodiment one are basic identical, have just increased by one section transitional glass pipe 5B.This transitional glass pipe 5B both ends of the surface are the plane, and one side links to each other by glue 9B with isolator core 3B; Another side links to each other with transitional glass pipe 6B.The transitional glass pipe 5B that increases not only makes element manufacturing more convenient, and has increased the glue-line area between the glass tube, makes device have stronger firmness.
Fig. 6 is the structural representation of the 4th kind of embodiment of the utility model.It comprises the first single fiber collimating apparatus 1C and the second single fiber collimating apparatus 2C, isolator core 3C, outer tube 4C.Isolator core 3C is nested with by glue 9C and is fixed among the outer tube 4C; End face of outer tube 4C is the plane, links to each other with the first single fiber collimating apparatus 1C by glue 9C; Another end face of outer tube 4C is a sphere, links to each other with the second single fiber collimating apparatus 2C by glue 9C; The second single fiber collimating apparatus 2C end face also is a sphere, and its radius and outer tube 4C radius are R.This kind structure can guarantee that equally glue-line is even, makes device that good temperature performance be arranged.
Claims (6)
1, a kind of assembly structure of fibre optic isolater is characterized in that: it comprises the first single fiber collimating apparatus and the second single fiber collimating apparatus, isolator core, outer tube, hollow transition conduit; Described isolator core retainer plate is put in outer tube, and the described first single fiber collimating apparatus inner face is the plane, and this plane is relative with the isolator core; The described second single fiber collimating apparatus inner face is protruding ball sphere; An end face of described hollow transition conduit is the plane, this plane is relative with the isolator core, another end face of hollow transition conduit is recessed ball sphere, and the protruding ball inner face of this recessed ball sphere and the second single fiber collimating apparatus leans, and two sphere curvature radius that lean equate.
2, the assembly structure of fibre optic isolater according to claim 1 is characterized in that:
The described first single fiber collimating apparatus is nested with in same outer tube with the isolator core; The inner face that is with the outer tube of the first single fiber collimating apparatus and isolator core is the plane, and the planar end of this plane and hollow transition conduit leans; Between described first single fiber collimating apparatus and the outer tube, between isolator core and the outer tube, between outer tube and the hollow transition conduit and all be to bond between the hollow transition conduit and the second single fiber collimating apparatus by sticky object.
3, the assembly structure of fibre optic isolater according to claim 2 is characterized in that:
It also comprises the transitional glass pipe, and this transitional glass pipe is installed between isolator core and the hollow transition conduit, and this transitional glass pipe two sides is the plane.
4, the assembly structure of fibre optic isolater according to claim 1 is characterized in that:
An end face of described outer tube is the plane, this plane and the first single fiber collimating apparatus lean, another end face of outer tube is recessed ball sphere, and the protruding ball inner face of this recessed ball sphere and the second single fiber collimating apparatus leans, and two sphere curvature radius that lean equate.
5, the assembly structure of fibre optic isolater according to claim 1 is characterized in that:
Described optical fiber collimator comprises optical fiber head, lens and collimating apparatus sleeve pipe; Described optical fiber head, lens are nested with in the collimating apparatus sleeve pipe.
6, the assembly structure of fibre optic isolater according to claim 1 is characterized in that:
Described isolator core is one pole isolator core or bipolar isolator core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200690910U CN2791667Y (en) | 2005-02-05 | 2005-02-05 | Assembling stru cture of optical fiber isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200690910U CN2791667Y (en) | 2005-02-05 | 2005-02-05 | Assembling stru cture of optical fiber isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791667Y true CN2791667Y (en) | 2006-06-28 |
Family
ID=36807729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200690910U Expired - Lifetime CN2791667Y (en) | 2005-02-05 | 2005-02-05 | Assembling stru cture of optical fiber isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791667Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807371A (en) * | 2014-12-30 | 2016-07-27 | 福州高意通讯有限公司 | High power isolator |
| CN106066545A (en) * | 2016-08-02 | 2016-11-02 | 福建中策光电股份公司 | A kind of Double-stage isolator core and processing technology thereof and device |
-
2005
- 2005-02-05 CN CNU2005200690910U patent/CN2791667Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807371A (en) * | 2014-12-30 | 2016-07-27 | 福州高意通讯有限公司 | High power isolator |
| CN106066545A (en) * | 2016-08-02 | 2016-11-02 | 福建中策光电股份公司 | A kind of Double-stage isolator core and processing technology thereof and device |
| CN106066545B (en) * | 2016-08-02 | 2019-04-09 | 福建中策光电股份公司 | A kind of Double-stage isolator core and its manufacture craft and device |
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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: 20150205 Granted publication date: 20060628 |