CN108110610A - A kind of adjustable light isolator and its regulative mode - Google Patents
A kind of adjustable light isolator and its regulative mode Download PDFInfo
- Publication number
- CN108110610A CN108110610A CN201711442568.9A CN201711442568A CN108110610A CN 108110610 A CN108110610 A CN 108110610A CN 201711442568 A CN201711442568 A CN 201711442568A CN 108110610 A CN108110610 A CN 108110610A
- Authority
- CN
- China
- Prior art keywords
- polarizer
- hand
- head
- right end
- spin slot
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2746—Optical coupling means with polarisation selective and adjusting means comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
Abstract
The invention discloses a kind of adjustable light isolator and its regulative modes, it includes incident collimator, outgoing collimator and housing, the left end of incident collimator insertion housing, it is emitted the right end of collimator insertion housing, the right end of incident collimator is equipped with the first lens, and the right end of the first lens is equipped with the first polarizer, and the right end of the first polarizer is equipped with Faraday polarization apparatus, the right end of Faraday polarization apparatus is equipped with the second polarizer, and the right end of the second polarizer is equipped with the second lens.Beneficial effects of the present invention have：Head polarizer can be revolved by manipulator to rotate between 0 45 °, to achieve the purpose that change optoisolator optical transmission direction, when the hand rotation head of the first polarizer is in 0 ° of position, and the hand of the second polarizer revolves head at 45 ° of positions, light can transmit from left to right, and 0 ° of position is in when the hand of the second polarizer revolves head, and the hand of the first polarizer revolves head at 45 ° of positions, light can transmit from right to left；Regulative mode is simple.
Description
Technical field
The present invention relates to a kind of adjustable light isolator and its regulative modes, belong to technical field of optical fiber communication.
Background technology
Semiconductor laser is very sensitive to reflected light, therefore reflected light causes the unstability of semiconductor laser performance
Need the optoisolator of the integration of compact in semiconductor laser.Existing optoisolator is revolved by a unidirectional faraday
Rotor and first, second polarizer composition for being located at Faraday rotation piece both sides respectively mainly utilize the farad of magneto-optical crystal
Effect, allow light to a direction by and also prevent round about by preventing from generating due to various reasons in light path
The harmful effect that is generated to light source and light path system of rear transmission.But optical transmission direction is just after mounting for current optoisolator
It can not change, and need ceaselessly to change transmission direction in some experimental places, so need frequently to load and unload optoisolator, ten
Divide cumbersome.
The content of the invention
The technical problem to be solved in the present invention, is to provide a kind of adjustable light isolator, the optoisolator first partially
Shake device and the second polarizer is rotary type, can revolve head polarizer by manipulator and be rotated between 0-45 °, be changed with reaching
Become the purpose of optoisolator optical transmission direction.
The present invention is realized by following proposal：A kind of adjustable light isolator and its regulative mode are collimated including incidence
Device, outgoing collimator and housing, the incidence collimator are inserted into the left end of the housing, and the outgoing collimator is inserted into the shell
The right end of body, the right end of the incidence collimator are equipped with the first lens, and the right end of first lens is equipped with the first polarizer, institute
The right end for stating the first polarizer is equipped with Faraday polarization apparatus, and the right end of the Faraday polarization apparatus is equipped with the second polarizer, described
The right end of second polarizer is equipped with the second lens, and the outgoing collimator is arranged on the right end of second polarizer, the shell
It is opened on body there are two hand spin slot, hand rotation head is all connected on first polarizer and second polarizer, the hand rotation head is worn
The hand spin slot is crossed, the angle of the hand spin slot is 45 degree.
First polarizer and the second polarizer are rotary type.
The hand rotation head can manually carry out 0-45 degree rotations in the corresponding hand spin slot, and then described in drive
First polarizer and second polarizer carry out 0-45 degree rotations in the corresponding hand spin slot.
The top of the hand rotation head is located at the outside of the housing.
Between first polarizer and the Faraday polarization apparatus and the Faraday polarization apparatus is polarized with described second
Cavity structure is equipped between device.
A kind of regulative mode of adjustable light isolator revolves head polarizer by manipulator and is rotated between 0-45 °,
When light is needed to transmit from left to right, by the hand rotation head rotation of the first polarizer in 0 ° of position, the hand of the second polarizer is revolved
Head is rotated in 45 ° of positions；When light is needed to transmit from right to left, by the hand rotation head rotation of the second polarizer in 0 ° of position, and
The hand rotation head of first polarizer is rotated in 45 ° of positions.
Hand rotation head is in 0 ° of position, when hand revolves head and contacted with the rear wall of hand spin slot when being contacted with the front side wall of hand spin slot
To be in 45 ° of positions.
When light is needed to transmit from left to right, the hand rotation head of the first polarizer is rotated and is contacted with the front side wall of hand spin slot,
The hand rotation head of second polarizer is rotated and is contacted with the rear wall of hand spin slot；When light is needed to transmit from right to left, by second partially
The hand rotation head rotation of device of shaking is contacted with the front side wall of hand spin slot, and by the rotation head rotation of the hand of the first polarizer and the rear side of hand spin slot
Wall contacts.
Beneficial effects of the present invention are：
1st, a kind of the first polarizer of adjustable light isolator of the present invention and the second polarizer are rotary type, can pass through manipulator
Rotation head causes polarizer to be rotated between 0-45 °, to achieve the purpose that change optoisolator optical transmission direction, when the first polarizer
Hand rotation head be in 0 ° of position, and the hand of the second polarizer revolves head at 45 ° of positions, and light can transmit from left to right, and ought the
The hand rotation head of two polarizers is in 0 ° of position, and the hand of the first polarizer revolves head at 45 ° of positions, and light can pass from right to left
It is defeated；
2nd, a kind of regulative mode of adjustable light isolator of the present invention is simple, pulls hand rotation head and may be such that polarizer revolves
Turn.
Description of the drawings
Fig. 1 faces cross-sectional view for a kind of adjustable light isolator of the present invention.
Fig. 2 is a kind of first polarizer side elevational cross-section structure diagram of adjustable light isolator of the present invention.
In figure：1 is incident collimator, and 2 be outgoing collimator, and 3 be housing, and 4 be the first lens, and 5 be the first polarizer, 6
It is the second polarizer for Faraday polarization apparatus, 7,8 be the second lens, and 9 be hand spin slot, and 10 revolve head for hand.
Specific embodiment
With reference to Fig. 1-2, the present invention is further described, but the scope of the present invention does not limit to the content.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, and word " interior " and " outer " refer respectively to court
To or away from particular elements geometric centers direction, and attached drawing uses using very simplified form and non-accurate ratio
Rate, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
For clarity, not describing whole features of practical embodiments, in the following description, well known function is not described in detail
And structure, because they can make the present invention chaotic due to unnecessary details, it will be understood that opening in any practical embodiments
In hair, it is necessary to a large amount of implementation details are made to realize the specific objective of developer, such as according to related system or related business
Limitation, another embodiment is changed by one embodiment, additionally, it should think that this development may be complicated and expend
Time, but it is only to those skilled in the art routine work.
A kind of adjustable light isolator and its regulative mode including incident collimator 1, are emitted collimator 2 and housing 3,
Incident collimator 1 is inserted into the left end of housing 3, and outgoing collimator 2 is inserted into the right end of housing 3, and the right end of incident collimator 1 is equipped with the
One lens 4, the right end of the first lens 4 are equipped with the first polarizer 5, and the right end of the first polarizer 5 is equipped with Faraday polarization apparatus 6, method
The right end of polarization apparatus 6 is drawn to be equipped with the second polarizer 7, the right end of the second polarizer 7 is equipped with the second lens 8, and outgoing collimator 2 is set
The right end in the second polarizer 7 is put, is opened on housing 3 there are two hand spin slot 9, is all connected on the first polarizer 5 and the second polarizer 7
Hand rotation first 10, through hand spin slot 9, the angle of hand spin slot 9 is 45 degree for hand rotation first 10.
First polarizer 5 and the second polarizer 7 are rotary type.
Hand rotation first 10 can manually carry out 0-45 degree rotations in corresponding hand spin slot 9, and then drive the first polarization
5 and second polarizer 7 of device carries out 0-45 degree rotations in corresponding hand spin slot 9.
The top of hand rotation first 10 is located at the outside of housing 3.
It is equipped between first polarizer 5 and Faraday polarization apparatus 6 and between 6 and second polarizer 7 of Faraday polarization apparatus
Cavity structure.
A kind of regulative mode of adjustable light isolator revolves first 10 polarizer by manipulator and is revolved between 0-45 °
Turn, when light is needed to transmit from left to right, by first 10 rotation of the hand rotation of the first polarizer 5 in 0 ° of position, by the second polarizer 7
Hand rotation first 10 be rotated in 45 ° of positions；When light is needed to transmit from right to left, the hand of the second polarizer 7 is revolved at first 10 rotation
In 0 ° of position, and the hand rotation first 10 of the first polarizer 5 is rotated in 45 ° of positions.
Hand rotation first 10 is in 0 ° of position when being contacted with the front side wall of hand spin slot 9, and hand revolves first 10 rear walls with hand spin slot 9
It is in 45 ° of positions during contact.
When light is needed to transmit from left to right, first 10 rotation of the hand rotation of the first polarizer 5 and the front side wall of hand spin slot 9 are connect
It touches, first 10 rotation of the hand rotation of the second polarizer is contacted with the rear wall of hand spin slot 9；It, will when light is needed to transmit from right to left
First 10 rotation of hand rotation of second polarizer is contacted with the front side wall of hand spin slot 9, and by first 10 rotation of the hand of the first polarizer 5 rotation and
The rear wall contact of hand spin slot 9.
Although more detailed elaboration is done to technical scheme and has been enumerated, it should be understood that for ability
For field technique personnel, modification is made to above-described embodiment or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed scope.
Claims (8)
1. a kind of adjustable light isolator and its regulative mode, it is characterised in that：It includes incident collimator（1）, outgoing collimation
Device（2）And housing（3）, the incidence collimator（1）It is inserted into the housing（3）Left end, the outgoing collimator（2）Insertion institute
State housing（3）Right end, it is described incidence collimator（1）Right end be equipped with the first lens（4）, first lens（4）Right end
Equipped with the first polarizer（5）, first polarizer（5）Right end be equipped with Faraday polarization apparatus（6）, the Faraday polarization apparatus
（6）Right end be equipped with the second polarizer（7）, second polarizer（7）Right end be equipped with the second lens（8）, the outgoing standard
Straight device（2）It is arranged on second polarizer（7）Right end, the housing（3）On open there are two hand spin slot（9）, described first
Polarizer（5）With second polarizer（7）On be all connected with hand rotation head（10）, the hand rotation head（10）Through the hand spin slot
（9）, the hand spin slot（9）Angle be 45 degree.
2. a kind of adjustable light isolator according to claim 1, it is characterised in that：First polarizer（5）With
Two polarizers（7）For rotary type.
3. a kind of adjustable light isolator according to claim 2, it is characterised in that：The hand revolves head（10）Manually
It can be in the corresponding hand spin slot（9）Interior progress 0-45 degree rotations, and then drive first polarizer（5）With described second
Polarizer（7）In the corresponding hand spin slot（9）Interior progress 0-45 degree rotations.
4. a kind of adjustable light isolator according to claim 3, it is characterised in that：The hand revolves head（10）Top position
In the housing（3）Outside.
5. a kind of adjustable light isolator according to claim 1, it is characterised in that：First polarizer（5）With institute
State Faraday polarization apparatus（6）Between and the Faraday polarization apparatus（6）With second polarizer（7）Between be equipped with cavity knot
Structure.
6. a kind of regulative mode of the adjustable light isolator based on claim 1-5, it is characterised in that：Head is revolved by manipulator
（10）So that polarizer rotates between 0-45 °, when light is needed to transmit from left to right, by the first polarizer（5）Hand rotation head
（10）Rotation is in 0 ° of position, by the second polarizer（7）Hand rotation head（10）It is rotated in 45 ° of positions；When needing light from right to left
During transmission, by the second polarizer（7）Hand rotation head（10）Rotation is in 0 ° of position, and by the first polarizer（5）Hand rotation head
（10）It is rotated in 45 ° of positions.
7. a kind of regulative mode of adjustable light isolator according to claim 6, it is characterised in that：Hand revolves head（10）With
Hand spin slot（9）Front side wall contact when be the hand rotation head in 0 ° of position（10）With hand spin slot（9）Rear wall contact when be in
45 ° of positions.
8. a kind of regulative mode of adjustable light isolator according to claim 7, it is characterised in that：When needing light from a left side
When transmitting to the right, by the first polarizer（5）Hand rotation head（10）Rotation and hand spin slot（9）Front side wall contact, by second polarization
The hand rotation head of device（10）Rotation and hand spin slot（9）Rear wall contact；When light is needed to transmit from right to left, by the second polarizer
Hand rotation head（10）Rotation and hand spin slot（9）Front side wall contact, and by the first polarizer（5）Hand rotation head（10）Rotation and hand
Spin slot（9）Rear wall contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442568.9A CN108110610B (en) | 2017-12-27 | 2017-12-27 | A kind of adjustable light isolator and its regulative mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442568.9A CN108110610B (en) | 2017-12-27 | 2017-12-27 | A kind of adjustable light isolator and its regulative mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108110610A true CN108110610A (en) | 2018-06-01 |
| CN108110610B CN108110610B (en) | 2019-09-13 |
Family
ID=62213476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442568.9A Active CN108110610B (en) | 2017-12-27 | 2017-12-27 | A kind of adjustable light isolator and its regulative mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108110610B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000275580A (en) * | 1999-03-25 | 2000-10-06 | Shin Etsu Chem Co Ltd | Optical isolator |
| CN2469471Y (en) * | 2001-04-03 | 2002-01-02 | 深圳奥泰克光通信器件实业有限公司 | Light isolator |
| US6430323B1 (en) * | 1999-10-20 | 2002-08-06 | Micro-Optics, Inc. | Polarization maintaining optical isolators |
| JP2007079074A (en) * | 2005-09-14 | 2007-03-29 | Seikoh Giken Co Ltd | Optical isolator |
-
2017
- 2017-12-27 CN CN201711442568.9A patent/CN108110610B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000275580A (en) * | 1999-03-25 | 2000-10-06 | Shin Etsu Chem Co Ltd | Optical isolator |
| US6430323B1 (en) * | 1999-10-20 | 2002-08-06 | Micro-Optics, Inc. | Polarization maintaining optical isolators |
| CN2469471Y (en) * | 2001-04-03 | 2002-01-02 | 深圳奥泰克光通信器件实业有限公司 | Light isolator |
| JP2007079074A (en) * | 2005-09-14 | 2007-03-29 | Seikoh Giken Co Ltd | Optical isolator |
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| Publication number | Publication date |
|---|---|
| CN108110610B (en) | 2019-09-13 |
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