CN204945527U - A kind of four port closed-circuit optical circulators - Google Patents

A kind of four port closed-circuit optical circulators Download PDF

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Publication number
CN204945527U
CN204945527U CN201520794463.XU CN201520794463U CN204945527U CN 204945527 U CN204945527 U CN 204945527U CN 201520794463 U CN201520794463 U CN 201520794463U CN 204945527 U CN204945527 U CN 204945527U
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CN
China
Prior art keywords
beam splitter
twin
prism
wave plate
collimating apparatus
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
Application number
CN201520794463.XU
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Chinese (zh)
Inventor
林景亮
陈德祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN ZHONGCE OPTICS Inc
Original Assignee
FUJIAN ZHONGCE OPTICS Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201520794463.XU priority Critical patent/CN204945527U/en
Application granted granted Critical
Publication of CN204945527U publication Critical patent/CN204945527U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of four port closed-circuit optical circulators, the first twin-core collimating apparatus is comprised successively by light path order, first beam splitter, / 1st wave plate, first Faraday polarization apparatus, first prism, second beam splitter, second prism, second Faraday polarization apparatus, / 2nd wave plate, 3rd beam splitter and the second twin-core collimating apparatus, first twin-core collimating apparatus, first beam splitter, / 1st wave plate, first Faraday polarization apparatus, first prism, second beam splitter, second prism, second Faraday polarization apparatus, / 2nd wave plate, 3rd beam splitter and the second twin-core collimating apparatus erection are in glass tube, glass tube is inserted in and is encapsulated in metal tube, first twin-core collimating apparatus, second twin-core collimating apparatus is connected with single-mode fiber, its input and output light beam light path on optical circulator major axes orientation is symmetrical, and production and assembly, light path debugging and device package are convenient, and cost is low, volume is little and stable performance, can realize the complete closed loop cycle of light beam.

Description

A kind of four port closed-circuit optical circulators
Technical field
The utility model relates to a kind of optical passive component, is specifically related to a kind of optical circulator.
Background technology
Optical circulator realizes the optical passive component that the non-reversible transmission of light path has very widespread use, and it is for guiding reverse transfer light, by itself and forward transmission light from spatially separating, and exports from another port.The production main force concentrates on above three ports light rings both at home and abroad at present, and the output of four ports light rings is less, and at present existing four ports light rings less stable, functional less, volume is bigger than normal, price is high, the light path of its light beam on optical circulator major axes orientation cannot ensure symmetry, its optical path changer structural detail is complicated, device cost is high, be unfavorable for light path debugging and device package, and its device volume is large, unstable and substantially all cannot realize closed cycle function.
Summary of the invention
For the deficiencies in the prior art, it is symmetrical that the utility model aims to provide a kind of input and output light beam light path on optical circulator major axes orientation, production and assembly, light path debugging and device package are convenient, and cost is low, volume is little and the four port closed-circuit optical circulators that can realize the complete closed loop cycle of light beam of stable performance.
For achieving the above object, the utility model adopts following technical scheme:
A kind of four port closed-circuit optical circulators, the first twin-core collimating apparatus is comprised successively by light path order, first beam splitter, / 1st wave plate, first Faraday polarization apparatus, first prism, second beam splitter, second prism, second Faraday polarization apparatus, / 2nd wave plate, 3rd beam splitter and the second twin-core collimating apparatus, described first twin-core collimating apparatus, first beam splitter, / 1st wave plate, first Faraday polarization apparatus, first prism, second beam splitter, second prism, second Faraday polarization apparatus, / 2nd wave plate, 3rd beam splitter and the second twin-core collimating apparatus erection are in glass tube, glass tube is inserted in and is encapsulated in metal tube.
Further, described first twin-core collimating apparatus, the first beam splitter, the 1/1st wave plate, the first Faraday polarization apparatus, the first prism, the second beam splitter, the second prism, the second Faraday polarization apparatus, the 1/2nd wave plate, the 3rd beam splitter and the second twin-core collimating apparatus to be arranged in glass tube and size≤45mm be inserted in package metals pipe outside glass tube after.
Further, described first twin-core collimating apparatus, the second twin-core collimating apparatus are connected with single-mode fiber.
Further, described first beam splitter, the second beam splitter and the 3rd beam splitter are Yttrium Orthovanadate birefringece crystal.
Further, described 1/1st wave plate and the 1/2nd its direction of vibration of wave plate and wafer optical axis included angle are 22.5 °.
Further, described first prism and the second prism are roof prism.
The utility model has following beneficial effect:
A kind of four port closed-circuit optical circulators of the utility model, its input and output light beam light path on optical circulator major axes orientation is symmetrical, production and assembly, light path debugging and device package are convenient, and cost is low, volume is little and stable performance, can realize the complete closed loop cycle of light beam.
Accompanying drawing explanation
Fig. 1 is the simple formation schematic diagram of a kind of four port closed-circuit optical circulators of the utility model.
In figure: 1, the first twin-core collimating apparatus; 2, the first beam splitter; 3, the 1/1st wave plate; 4, the first Faraday polarization apparatus; 5, the first prism; 6, the second beam splitter; 7, the second prism; 8, the second Faraday polarization apparatus; 9, the 1/2nd wave plate; 10, the 3rd beam splitter; 11, the second twin-core collimating apparatus.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model will be further described, understands the technological thought that the utility model is claimed so that clearer.
A kind of four port closed-circuit optical circulators of the utility model as shown in Figure 1, the first twin-core collimating apparatus 1 is comprised successively by light path order, first beam splitter 2, / 1st wave plate 3, first Faraday polarization apparatus 4, first prism 5, second beam splitter 6, second prism 7, second Faraday polarization apparatus 8, / 2nd wave plate 9, 3rd beam splitter 10 and the second twin-core collimating apparatus 11, first twin-core collimating apparatus 1, first beam splitter 2, / 1st wave plate 3, first Faraday polarization apparatus 4, first prism 5, second beam splitter 6, second prism 7, second Faraday polarization apparatus 8, / 2nd wave plate 9, 3rd beam splitter 10 and the second twin-core collimating apparatus 11 erection are in glass tube, glass tube is inserted in and is encapsulated in metal tube.Wherein the first twin-core collimating apparatus 1, second twin-core collimating apparatus 11 is connected with single-mode fiber, first beam splitter 2, second beam splitter 6 and the 3rd beam splitter 10 are Yttrium Orthovanadate birefringece crystal, / 1st wave plate 3 and the 1/2nd its direction of vibration of wave plate 9 and wafer optical axis included angle are 22.5 °, and the first prism 5 and the second prism 7 are roof prism.First twin-core collimating apparatus 1, first beam splitter the 2, the 1/1st wave plate 3, first Faraday polarization apparatus 4, first prism 5, second beam splitter 6, second prism 7, second Faraday polarization apparatus the 8, the 1/2nd wave plate 9, the 3rd beam splitter 10 and the second twin-core collimating apparatus 11 to be arranged in glass tube and size≤45mm be inserted in package metals pipe outside glass tube after.
The utility model four port closed-circuit optical circulator, its input and output light beam light path on optical circulator major axes orientation is symmetrical, and production and assembly, light path debugging and device package are convenient, and cost is low, volume is little and stable performance, can realize the complete closed loop cycle of light beam.
For a person skilled in the art, according to technical scheme described above and design, other various corresponding change and distortion can be made, and all these change and distortion all should belong within the protection domain of the utility model claim.

Claims (6)

1. a port closed-circuit optical circulator, it is characterized in that: comprise the first twin-core collimating apparatus (1) successively by light path order, first beam splitter (2), / 1st wave plate (3), first Faraday polarization apparatus (4), first prism (5), second beam splitter (6), second prism (7), second Faraday polarization apparatus (8), / 2nd wave plate (9), 3rd beam splitter (10) and the second twin-core collimating apparatus (11), described first twin-core collimating apparatus (1), first beam splitter (2), / 1st wave plate (3), first Faraday polarization apparatus (4), first prism (5), second beam splitter (6), second prism (7), second Faraday polarization apparatus (8), / 2nd wave plate (9), 3rd beam splitter (10) and the second twin-core collimating apparatus (11) erection are in glass tube, glass tube is inserted in and is encapsulated in metal tube.
2. a kind of four port closed-circuit optical circulators as claimed in claim 1, is characterized in that: described first twin-core collimating apparatus (1), the first beam splitter (2), the 1/1st wave plate (3), the first Faraday polarization apparatus (4), the first prism (5), the second beam splitter (6), the second prism (7), the second Faraday polarization apparatus (8), the 1/2nd wave plate (9), the 3rd beam splitter (10) and the second twin-core collimating apparatus (11) to be arranged in glass tube and size≤45mm be inserted in package metals pipe outside glass tube after.
3. a kind of four port closed-circuit optical circulators as claimed in claim 1 or 2, is characterized in that: described first twin-core collimating apparatus (1), the second twin-core collimating apparatus (11) are connected with single-mode fiber.
4. a kind of four port closed-circuit optical circulators as claimed in claim 1 or 2, is characterized in that: described first beam splitter (2), the second beam splitter (6) and the 3rd beam splitter (10) are Yttrium Orthovanadate birefringece crystal.
5. a kind of four port closed-circuit optical circulators as claimed in claim 1 or 2, is characterized in that: described 1/1st wave plate (3) and the 1/2nd wave plate (9) its direction of vibration and wafer optical axis included angle are 22.5 °.
6. a kind of four port closed-circuit optical circulators as claimed in claim 1 or 2, is characterized in that: described first prism (5) and the second prism (7) are roof prism.
CN201520794463.XU 2015-10-15 2015-10-15 A kind of four port closed-circuit optical circulators Expired - Fee Related CN204945527U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520794463.XU CN204945527U (en) 2015-10-15 2015-10-15 A kind of four port closed-circuit optical circulators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520794463.XU CN204945527U (en) 2015-10-15 2015-10-15 A kind of four port closed-circuit optical circulators

Publications (1)

Publication Number Publication Date
CN204945527U true CN204945527U (en) 2016-01-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520794463.XU Expired - Fee Related CN204945527U (en) 2015-10-15 2015-10-15 A kind of four port closed-circuit optical circulators

Country Status (1)

Country Link
CN (1) CN204945527U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111522155A (en) * 2020-05-07 2020-08-11 珠海光库科技股份有限公司 Four-port polarization-related optical circulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111522155A (en) * 2020-05-07 2020-08-11 珠海光库科技股份有限公司 Four-port polarization-related optical circulator

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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: 20160106

Termination date: 20181015