CN209728233U - A kind of integration adaptation isolator - Google Patents
A kind of integration adaptation isolator Download PDFInfo
- Publication number
- CN209728233U CN209728233U CN201920437277.9U CN201920437277U CN209728233U CN 209728233 U CN209728233 U CN 209728233U CN 201920437277 U CN201920437277 U CN 201920437277U CN 209728233 U CN209728233 U CN 209728233U
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- lock pin
- hole
- magnet ring
- isolator
- sleeve
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Abstract
The utility model relates to a kind of integration adaptation isolators, including setting gradually free space isolator and adapter along positive light incident light axis, the isolator includes magnet ring and PGP, the adapter includes front cover, sleeve, briquetting and lock pin, through-hole is equipped in the briquetting, the left end of the through-hole is magnet ring hole, middle part is lock pin hole, right end is cap bore, the magnet ring hole and the aperture of cap bore are all larger than the aperture in lock pin hole, the magnet ring is fixed in magnet ring hole, the front cover left end is equipped with interconnecting piece, the interconnecting piece is in cap bore, sleeve hole is equipped in the front cover, the lock pin is fixed in lock pin hole, the PGP is set in magnet ring and mutually be bonded with lock pin, the sleeve is set on the outside of lock pin, the sleeve hole matches with sleeve.The utility model can be improved isolator return loss index 10dB, and reliability is better than traditional handicraft.
Description
Technical field
The utility model relates to optical-fibre communications equipment technical fields, more particularly to a kind of integration adaptation isolator.
Background technique
The isolator that existing market uses, adapter packaging technology are discrete assembling, i.e. isolator, adapter assembles respectively
The two is assembled again after the completion, there is very big drawback in this scheme, first is that between isolator core and reception optical fiber away from
From the loss that will cause optical path more greatly, cause back end device coupled power unqualified；Second is that return loss index is low, because of its structure spy
Point, return loss index are unable to satisfy the common demands greater than 40dB in 30dB or so, cause coupled power that can not be promoted；Third is that can
It is low by property, it has the gap, is easily contaminated between adapter lock pin and isolator PGP piece, such as steam etc., product is caused to lose
Effect.
Utility model content
In view of the foregoing defects the prior art has, the utility model provides a kind of integration adaptation isolator, including
Free space isolator and adapter are set gradually along positive light incident light axis, and the isolator includes magnet ring and PGP, described suitable
Orchestration includes front cover, sleeve, briquetting and lock pin, is equipped with through-hole in the briquetting, the left end of the through-hole is magnet ring hole, middle part is
Lock pin hole, right end are cap bore, and the aperture of the magnet ring hole and cap bore is all larger than the aperture in lock pin hole, and the magnet ring is fixed on magnet ring
In hole, the front cover left end is equipped with interconnecting piece, and the interconnecting piece is equipped with sleeve hole in cap bore in the front cover, described
Lock pin is fixed in lock pin hole, and the PGP is in magnet ring and mutually be bonded with lock pin, and the sleeve is set on the outside of lock pin, institute
Sleeve hole is stated to match with sleeve.
Preferably, the PGP includes the polarizer, Faraday rotator, analyzer, and the polarizer and analyzer are inclined
Shake piece, and the polarizer and analyzer are bonded in the both ends of Faraday rotator respectively.
Preferably, the lock pin is ceramic insertion core, and the finished product accuracy of ceramic insertion core reaches submicron order, for realizing optical fiber
Physics dock and guarantee the transmission precision of device.
Preferably, the lock pin and positive light incident light axis are coaxially disposed, and the left side of the lock pin is towards lower left
Inclined surface, the angle of the left side and vertical direction is 5.5 ~ 6.5 °, and the right side of the PGP is fitted in lock pin with one heart
On left side, the high fit of PGP and lock pin is realized, the finished product angle after assembling matches, and improves product after assembling
Comprehensive performance.
Preferably, the outer ring of the briquetting right end is equipped with convex edge, and the convex edge is equipped with lock pin high point attribute block, convex edge
Setting be convenient for the pressing of briquetting and front cover, user-identified locations are convenient in the setting of lock pin high point attribute block.
The utility model further includes the other components that can make a kind of integration adaptation isolator normal use, is ability
The conventional technical means in domain.In addition, the device limited or component is not added to be all made of the conventional skill in this field in the utility model
Art means.
The working principle of the utility model is, using the adaptation integrated product of isolator by the PGP of isolator directly and
Adapter lock pin is pasted together, and by the way that magnet ring hole and cap bore are arranged in briquetting, realizes the one of isolator and adapter
Change connection, this structure efficiently solves isolator and distributor separately assembles drawback integrated again.
The utility model has the beneficial effects that first is that diminution the distance between isolator core and reception optical fiber, reduce optical path
Loss, guarantee that back end device coupled power is qualified；Second is that improving isolator return loss index 10dB, coupled power is promoted；Third is that
Reliability is better than traditional handicraft, and ceramic insertion core and PGP realize seamless connection, and life of product extends.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure stereoscopic schematic diagram of the utility model.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the light incident side structural schematic diagram of Fig. 1.
Fig. 4 is the W-W the schematic diagram of the section structure of Fig. 3.
In figure: 1. magnet rings, 2.PGP, 3. lock pins, 4. briquettings, the convex edge 4-1., 4-2. lock pin high point attribute block, 5. sleeves,
6. front cover.
Specific embodiment
Below with reference in the utility model embodiment attached drawing and specific embodiment to the utility model carry out clearly
Description, description here is used merely to explain the utility model, but is not intended to limit the scope of the present invention.Based on this reality
With the embodiment in novel, those skilled in the art's every other implementation obtained without making creative work
Example, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of this utility model.
Embodiment
As shown in Figs 1-4, the utility model provides a kind of integration adaptation isolator, including along positive light incident light axis
Set gradually free space isolator and adapter, the isolator includes magnet ring 1 and PGP2, the adapter include front cover 6,
Sleeve 5, briquetting 4 and lock pin 3, the briquetting 4 is interior to be equipped with through-hole, and the left end of the through-hole is magnet ring hole, middle part is lock pin hole, the right side
Holding is cap bore, and the aperture of the magnet ring hole and cap bore is all larger than the aperture in lock pin hole, and the magnet ring 1 is fixed in magnet ring hole, institute
The left end for stating front cover 6 is equipped with interconnecting piece, and the interconnecting piece is equipped with sleeve hole, the lock pin in the front cover 6 in cap bore
3 are fixed in lock pin hole, and the PGP2 is in magnet ring 1 and mutually Nian Jie with lock pin 3, and the sleeve 5 is set in the outer of lock pin 3
Side, the sleeve hole match with sleeve 5.
The PGP2 includes the polarizer, Faraday rotator and analyzer, and the polarizer and analyzer are polarizing film,
The polarizer and analyzer are bonded in the both ends of Faraday rotator respectively.
The lock pin 3 is ceramic insertion core, and the finished product accuracy of ceramic insertion core reaches submicron order, for realizing the physics of optical fiber
Dock and guarantee the transmission precision of device.
The lock pin 3 is coaxially disposed with positive light incident light axis, and the left side of the lock pin 3 is the inclination towards lower left
The angle of face, the left side and vertical direction is 5.5 ~ 6.5 °, and the right side of the PGP2 is fitted in the left end of lock pin 3 with one heart
On face, the high fit of PGP2 and lock pin 3 are realized, the finished product angle after assembling matches, and improves product after assembling
Comprehensive performance.
The outer ring of 4 right end of briquetting is equipped with convex edge 4-1, and the convex edge 4-1 is equipped with lock pin high point attribute block 4-2,
The setting of convex edge 4-1 facilitates the pressing of briquetting 4 Yu front cover 6, and user-identified locations are convenient in the setting of lock pin high point attribute block 4-2.
The working principle of the utility model is, using the adaptation integrated product of isolator by the PGP2 of isolator directly and
The lock pin 3 of adapter is pasted together, and by the way that magnet ring hole and cap bore are arranged in briquetting 4, is realized isolator and adapter
Integration connection, this structure efficiently solves isolator and distributor separately assembles drawback integrated again.
The embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed embodiment.Without departing from the scope and spirit of illustrated embodiment, this technology is led
Many modifications and changes are obvious for the those of ordinary skill in domain.It is all the spirit and principles of the utility model it
Any modifications, equivalent replacements, and improvements made by interior etc., should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of integration adaptation isolator, including free space isolator and adaptation are set gradually along positive light incident light axis
Device, it is characterised in that: the isolator includes magnet ring and PGP, and the adapter includes front cover, sleeve, briquetting and lock pin, described
Through-hole is equipped in briquetting, the left end of the through-hole is magnet ring hole, middle part is lock pin hole, right end is cap bore, the magnet ring hole and lid
The aperture in hole is all larger than the aperture in lock pin hole, and the magnet ring is fixed in magnet ring hole, and the front cover left end is equipped with interconnecting piece, described
Interconnecting piece is equipped with sleeve hole in cap bore in the front cover, the lock pin is fixed in lock pin hole, and the PGP is set to magnetic
In ring and mutually be bonded with lock pin, the sleeve is set on the outside of lock pin, and the sleeve hole matches with sleeve.
2. integration adaptation isolator according to claim 1, it is characterised in that: the PGP includes the polarizer, faraday
Rotary body, analyzer, the polarizer and analyzer are polarizing film, and the polarizer and analyzer are bonded in faraday respectively
The both ends of rotary body.
3. integration adaptation isolator according to claim 1, it is characterised in that: the lock pin is ceramic insertion core.
4. integration adaptation isolator according to claim 1, it is characterised in that: the lock pin and positive light incident light axis
Coaxial arrangement, the left side of the lock pin are the inclined surface towards lower left, and the angle of the left side and vertical direction is 5.5
~ 6.5 °, the right side of the PGP is fitted in one heart on the left side of lock pin.
5. integration adaptation isolator according to claim 1, it is characterised in that: the outer ring of the briquetting right end is equipped with
Convex edge, the convex edge are equipped with lock pin high point attribute block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920437277.9U CN209728233U (en) | 2019-04-02 | 2019-04-02 | A kind of integration adaptation isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920437277.9U CN209728233U (en) | 2019-04-02 | 2019-04-02 | A kind of integration adaptation isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209728233U true CN209728233U (en) | 2019-12-03 |
Family
ID=68690032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920437277.9U Active CN209728233U (en) | 2019-04-02 | 2019-04-02 | A kind of integration adaptation isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209728233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433619A (en) * | 2021-06-11 | 2021-09-24 | 武汉联特科技股份有限公司 | Optical isolator, preparation method thereof and optical module |
-
2019
- 2019-04-02 CN CN201920437277.9U patent/CN209728233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433619A (en) * | 2021-06-11 | 2021-09-24 | 武汉联特科技股份有限公司 | Optical isolator, preparation method thereof and optical module |
| CN113433619B (en) * | 2021-06-11 | 2023-09-29 | 武汉联特科技股份有限公司 | Optical isolator, preparation method thereof and optical module |
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