CN203465484U - Optical circulator - Google Patents
Optical circulator Download PDFInfo
- Publication number
- CN203465484U CN203465484U CN201320584797.5U CN201320584797U CN203465484U CN 203465484 U CN203465484 U CN 203465484U CN 201320584797 U CN201320584797 U CN 201320584797U CN 203465484 U CN203465484 U CN 203465484U
- Authority
- CN
- China
- Prior art keywords
- optical circulator
- element mounting
- magnet ring
- mounting pipe
- substrate
- 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
The utility model provides an optical circulator and relates to the technical field of optical fiber communication. The optical circulator comprises an element mounting pipe with a square groove formed in the middle, wherein a substrate integrated with the element mounting pipe is arranged in the square groove; a single-fiber collimator and a dual-fiber collimator are respectively arranged at the two ends of the element mounting pipe; a first birefringent crystal, a magnet ring and a second birefringent crystal are sequentially arranged on the substrate; a first Faraday rotation plate, a wedge-angle plate, a wedge-angled crystal and a second Faraday rotation plate are sequentially arranged in the magnet ring. The optical circulator provided by the utility model is low in defective rate and the performance is slightly influenced by temperature variation.
Description
Technical field
The utility model relates to technical field of optical fiber communication, relates in particular to a kind of optical circulator.
Background technology
At present, its core component of the circulator of optical communication industry production (core), not integrative-structure with the metal tube that is connected collimating apparatus, cause collimating apparatus and core can not become as a whole, its shortcoming be when assembling parameter with aging after parameter variation greatly, fraction defective is high, and when height temperature detector is surveyed, parameter varies with temperature obviously, and reliability is poor.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, provides that a kind of fraction defective is low, performance is subject to the optical circulator that influence of temperature change is little.
The utility model is achieved in that a kind of optical circulator, in the middle of comprising, offer the element mounting pipe of a square groove, in described square groove, there is the substrate with described element mounting pipe one, described element mounting pipe two ends are respectively equipped with single optical fiber calibrator and double-fiber collimator, on described substrate, be provided with successively the first birefringece crystal, magnet ring and the second birefringece crystal, in described magnet ring, be provided with successively the first faraday rotator, contract gusset plate, contract angle type crystal and the second faraday rotator.
Further, on described substrate, have rectangular opening, the width of described rectangular opening is less than the external diameter of described magnet ring, and described magnet ring is placed in described rectangular opening.
Further, described the first birefringece crystal, magnet ring and the second birefringece crystal are fixed on described substrate by glue respectively.
Further, described the first faraday rotator, contract gusset plate, contract angle type crystal and the second faraday rotator are fixed in described magnet ring by glue respectively.
Further, described element mounting pipe overcoat has sealed tube, and described square groove is positioned at described sealed tube.
Further, described sealed tube passes through glue fixed cover in described element mounting pipe.
Further, described sealed tube is high-boron-silicon glass pipe, ceramic pipe or stainless-steel tube.
Further, described element mounting pipe is ceramic pipe or stainless-steel tube.
The utility model provides a kind of optical circulator, the core components such as the first birefringece crystal, magnet ring and the second birefringece crystal are directly fixed in the element mounting pipe of fixedly single optical fiber calibrator and double-fiber collimator, make the core components such as single optical fiber calibrator, double-fiber collimator and the first birefringece crystal, magnet ring and the second birefringece crystal formula structure that becomes one, thereby improve the unsettled phenomenon of temperature performance, when temperature change, optical circulator performance change is little, has improved reliability.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of optical circulator structural representation cut-open view that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of optical circulator, in the middle of comprising, offer the element mounting pipe 1 of a square groove 11, in described square groove 11, there is the substrate 12 with described element mounting pipe 1 one, preferably, described substrate 12 is parallel with the axis of element mounting pipe 1, described element mounting pipe 1 two ends are respectively equipped with single optical fiber calibrator 2 and double-fiber collimator 3, on described substrate 12, be provided with successively the first birefringece crystal 4, magnet ring 5 and the second birefringece crystal 6, in described magnet ring 5, be provided with successively the first faraday rotator 7, contract gusset plate 8, contract angle type crystal 9 and the second faraday rotator 10.A kind of optical circulator of the present utility model, the core components such as the first birefringece crystal 4, magnet ring 5 and the second birefringece crystal 6 are directly fixed in the element mounting pipe 1 of fixedly single optical fiber calibrator 2 and double-fiber collimator 3, make the core components such as single optical fiber calibrator 2, double-fiber collimator 3 and the first birefringece crystal 4, magnet ring 5 and the second birefringece crystal 6 formula structure that becomes one, thereby improve the unsettled phenomenon of temperature performance, when temperature change, optical circulator performance change is little, has improved reliability.
In the embodiment of a kind of optical circulator of the utility model, on described substrate 12, there is rectangular opening, the width of described rectangular opening is less than the external diameter of described magnet ring 5, described magnet ring 5 is placed in described rectangular opening, rectangular opening is set and facilitates the installation of magnet ring 5 to fix, then fix and magnet ring 5 steadily can be arranged on substrate 12 by glue; Described the first birefringece crystal 4 and the second birefringece crystal 6 are fixed on described substrate 12 by glue respectively, and described the first faraday rotator 7, contract gusset plate 8, contract angle type crystal 9 and the second faraday rotator 10 are fixed in described magnet ring 5 by glue respectively.
In the embodiment of a kind of optical circulator of the utility model, described element mounting pipe 1 overcoat has sealed tube 13, described square groove 11 is positioned at described sealed tube 13, and described sealed tube 13 is by glue fixed cover in described element mounting pipe 1, and sealed tube 13 is by square groove 11 sealings; Described sealed tube 13 is high-boron-silicon glass pipe, ceramic pipe or stainless-steel tube, and described element mounting pipe 1 is ceramic pipe or stainless-steel tube.
The number of assembling steps of a kind of optical circulator of the present utility model is: first by described the first faraday rotator 7, contract gusset plate 8, contract angle type crystal 9 and the second faraday rotator 10 are fixed in described magnet ring 5 by glue respectively, again by described the first birefringece crystal 4, magnet ring 5 and the second birefringece crystal 6 are fixed on described substrate 12 by glue respectively, make above-mentioned several parts become as a whole, again single optical fiber calibrator 2 and double-fiber collimator 3 are passed through to coupling with above-mentioned global facility, fixing, form a whole subassembly, finally sealed tube 13 is assembled in element mounting pipe 1, by glue, fix, make whole optical circulator sealing.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an optical circulator, it is characterized in that, in the middle of comprising, offer the element mounting pipe of a square groove, in described square groove, there is the substrate with described element mounting pipe one, described element mounting pipe two ends are respectively equipped with single optical fiber calibrator and double-fiber collimator, on described substrate, be provided with successively the first birefringece crystal, magnet ring and the second birefringece crystal, in described magnet ring, be provided with successively the first faraday rotator, contract gusset plate, contract angle type crystal and the second faraday rotator.
2. optical circulator as claimed in claim 1, is characterized in that: on described substrate, have rectangular opening, the width of described rectangular opening is less than the external diameter of described magnet ring, and described magnet ring is placed in described rectangular opening.
3. optical circulator as claimed in claim 1 or 2, is characterized in that: described the first birefringece crystal, magnet ring and the second birefringece crystal are fixed on described substrate by glue respectively.
4. optical circulator as claimed in claim 2, is characterized in that: described the first faraday rotator, contract gusset plate, contract angle type crystal and the second faraday rotator are fixed in described magnet ring by glue respectively.
5. optical circulator as claimed in claim 1, is characterized in that: described element mounting pipe overcoat has sealed tube, and described square groove is positioned at described sealed tube.
6. optical circulator as claimed in claim 5, is characterized in that: described sealed tube passes through glue fixed cover in described element mounting pipe.
7. optical circulator as claimed in claim 5, is characterized in that: described sealed tube is high-boron-silicon glass pipe, ceramic pipe or stainless-steel tube.
8. optical circulator as claimed in claim 1, is characterized in that: described element mounting pipe is ceramic pipe or stainless-steel tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320584797.5U CN203465484U (en) | 2013-09-21 | 2013-09-21 | Optical circulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320584797.5U CN203465484U (en) | 2013-09-21 | 2013-09-21 | Optical circulator |
Publications (1)
Publication Number | Publication Date |
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CN203465484U true CN203465484U (en) | 2014-03-05 |
Family
ID=50177837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320584797.5U Expired - Fee Related CN203465484U (en) | 2013-09-21 | 2013-09-21 | Optical circulator |
Country Status (1)
Country | Link |
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CN (1) | CN203465484U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108710173A (en) * | 2018-07-04 | 2018-10-26 | 中科光电集团有限公司 | A kind of micro loop device structure and its packaging technology |
-
2013
- 2013-09-21 CN CN201320584797.5U patent/CN203465484U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108710173A (en) * | 2018-07-04 | 2018-10-26 | 中科光电集团有限公司 | A kind of micro loop device structure and its packaging technology |
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Legal Events
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GR01 | Patent grant | ||
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: 20140305 Termination date: 20210921 |