CN108110610B - 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
- CN108110610B CN108110610B CN201711442568.9A CN201711442568A CN108110610B CN 108110610 B CN108110610 B CN 108110610B CN 201711442568 A CN201711442568 A CN 201711442568A CN 108110610 B CN108110610 B CN 108110610B
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- China
- Prior art keywords
- polarizer
- hand
- head
- rotation
- right end
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Classifications
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- 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 shell, the left end of incident collimator insertion shell, it is emitted the right end of collimator insertion shell, 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.The beneficial effects of the present invention are as follows: head can be revolved by manipulator polarizer is rotated 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 rotation head of the second polarizer is at 45 ° of positions, light can transmit from left to right, and it is in 0 ° of position 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 technique
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 two sides, mainly utilize the farad of magneto-optical crystal
Effect allows light to pass through to a direction and prevent to pass through round about, prevents from generating due to various reasons in optical path
Rear transmission adverse effect that light source and light path system are generated.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 the frequent handling optoisolator of needs, ten
Divide cumbersome.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of adjustable light isolator, and the first of the optoisolator is partially
Vibration device and the second polarizer are rotary type, can revolve head by manipulator and polarizer is rotated between 0-45 °, be changed with reaching
The purpose of darkening isolator optical transmission direction.
The present invention passes through following proposal and realizes: a kind of adjustable light isolator and its regulative mode comprising incidence collimation
Device, outgoing collimator and shell, the incidence collimator are inserted into the left end of the shell, 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 right end of second polarizer, the shell is arranged in the outgoing collimator
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, angle of the hand spin slot on side elevation view is 45 degree.
First polarizer and the second polarizer are rotary type.
The hand rotation head passes through can carry out the rotation of 0-45 degree in the corresponding hand spin slot manually, and then described in drive
First polarizer and second polarizer carry out the rotation of 0-45 degree in the corresponding hand spin slot.
The top of the hand rotation head is located at the outside of the shell.
Between first polarizer and the Faraday polarization apparatus and the Faraday polarization apparatus and described second polarizes
Cavity structure is equipped between device.
A kind of regulative mode of adjustable light isolator revolves head by manipulator and polarizer is rotated between 0-45 °,
When needing light to transmit from left to right, the hand rotation head rotation of the first polarizer is in 0 ° of position, the hand of the second polarizer is revolved
Head is rotated in 45 ° of positions；When needing light to transmit from right to left, the hand rotation head rotation of the second polarizer is in 0 ° of position, and
The hand rotation head of first polarizer is rotated in 45 ° of positions.
When the front side wall of hand rotation head and hand spin slot contacting to be contacted in 0 ° of position, hand rotation head and the rear wall of hand spin slot
For in 45 ° of positions.
When needing light 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 needing light to transmit from right to left, partially by second
The hand rotation head rotation of vibration device is contacted with the front side wall of hand spin slot, and the hand of the first polarizer rotation head is rotated the rear side with hand spin slot
Wall contact.
The invention has the benefit that
1, a kind of the first polarizer of adjustable light isolator of the present invention and the second polarizer are rotary type, can pass through behaviour
Make hand rotation head polarizer is rotated between 0-45 °, with achieve the purpose that change optoisolator optical transmission direction, when first partially
The hand rotation head of vibration device is 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
It is in 0 ° of position when the hand of the second polarizer revolves head, and the hand of the first polarizer revolves head at 45 ° of positions, light can be from right to left
Transmission；
2, a kind of regulative mode of adjustable light isolator of the present invention is simple, and pulling hand rotation head may make polarizer
Rotation.
Detailed description of the invention
Fig. 1 faces the schematic diagram of the section structure for a kind of adjustable light isolator of the present invention.
Fig. 2 is a kind of first polarizer side elevational cross-section structural schematic diagram of adjustable light isolator of the present invention.
In figure: 1 is incident collimator, and 2 be outgoing collimator, and 3 be shell, 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
Below 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 components 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 that the direction in attached drawing, word "inner" and "outside" refer respectively to court
To or far from geometric center of specific component direction, and attached drawing is all made of very simplified form and uses 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, it is not described in detail well known function
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 make a large amount of implementation details to realize the specific objective of developer, such as according to related system or related business
Limitation, changes into another embodiment by one embodiment, additionally, it should think that this development may be complicated and expend
Time, but to those skilled in the art it is only routine work.
A kind of adjustable light isolator and its regulative mode comprising incident collimator 1, outgoing collimator 2 and shell 3,
Incident collimator 1 is inserted into the left end of shell 3, and outgoing collimator 2 is inserted into the right end of shell 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 set, is opened on shell 3 there are two hand spin slot 9, is all connected on the first polarizer 5 and the second polarizer 7
Hand revolves head 10, and hand revolves head 10 and passes through hand spin slot 9, and angle of the hand spin slot 9 on side elevation view is 45 degree.
First polarizer 5 and the second polarizer 7 are rotary type.
Hand rotation head 10 drives the first polarization by that can carry out the rotation of 0-45 degree in corresponding hand spin slot 9 manually
Device 5 and the second polarizer 7 carry out the rotation of 0-45 degree in corresponding hand spin slot 9.
The top of hand rotation head 10 is located at the outside of shell 3.
It is equipped between first polarizer 5 and Faraday polarization apparatus 6 and between Faraday polarization apparatus 6 and the second polarizer 7
Cavity structure.
A kind of regulative mode of adjustable light isolator revolves head 10 by manipulator and polarizer is revolved between 0-45 °
Turn, when needing light to transmit from left to right, the hand rotation rotation of head 10 of the first polarizer 5 is in 0 ° of position, by the second polarizer 7
Hand rotation head 10 be rotated in 45 ° of positions；When needing light to transmit from right to left, at hand rotation 10 rotation of head of the second polarizer 7
In 0 ° of position, and the hand of the first polarizer 5 rotation head 10 is rotated in 45 ° of positions.
For in 0 ° of position, hand revolves the rear wall of head 10 and hand spin slot 9 when the front side wall of hand rotation head 10 and hand spin slot 9 contacts
For in 45 ° of positions when contact.
When needing light to transmit from left to right, the front side wall of hand rotation head 10 rotation of the first polarizer 5 and hand spin slot 9 is connect
The hand rotation head 10 of second polarizer is rotated and is contacted with the rear wall of hand spin slot 9 by touching；It, will when needing light to transmit from right to left
Second polarizer hand rotation head 10 rotation is contacted with the front side wall of hand spin slot 9, and by the hand of the first polarizer 5 rotation head 10 rotation and
The rear wall of hand spin slot 9 contacts.
Although having done more detailed elaboration to technical solution of the present invention and having enumerated, it should be understood that for ability
For field technique personnel, modifications to the embodiments described above may be made 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 range.
Claims (8)
1. a kind of adjustable light isolator, it is characterised in that: it includes incident collimator (1), outgoing collimator (2) and shell
(3), the incident collimator (1) is inserted into the left end of the shell (3), and outgoing collimator (2) is inserted into the shell (3)
The right end of right end, the incidence collimator (1) is equipped with the first lens (4), and the right end of first lens (4) is equipped with the first polarization
The right end of device (5), first polarizer (5) is equipped with Faraday polarization apparatus (6), and the right end of the Faraday polarization apparatus (6) is set
Have the second polarizer (7), the right end of second polarizer (7) is equipped with the second lens (8), outgoing collimator (2) setting
Opened on the right end of second polarizer (7), the shell (3) there are two hand spin slot (9), first polarizer (5) and
Hand rotation head (10) is all connected on second polarizer (7), hand rotation head (10) passes through the hand spin slot (9), the hand rotation
Angle of the slot (9) on side elevation view is 45 degree.
2. a kind of adjustable light isolator according to claim 1, it is characterised in that: first polarizer (5) and
Two polarizers (7) are rotary type.
3. a kind of adjustable light isolator according to claim 2, it is characterised in that: hand rotation head (10) passes through manual
The rotation of 0-45 degree can be carried out in the corresponding hand spin slot (9), and then drives first polarizer (5) and described second
Polarizer (7) carries out the rotation of 0-45 degree in the corresponding hand spin slot (9).
4. a kind of adjustable light isolator according to claim 3, it is characterised in that: the top position of hand rotation head (10)
In the outside of the shell (3).
5. a kind of adjustable light isolator according to claim 1, it is characterised in that: first polarizer (5) and institute
It states between Faraday polarization apparatus (6) and is equipped with cavity knot between the Faraday polarization apparatus (6) and second polarizer (7)
Structure.
6. a kind of regulative mode based on the described in any item adjustable light isolators of claim 1-5, it is characterised in that: pass through
Manipulator revolves head (10) and polarizer is rotated between 0-45 °, when needing light to transmit from left to right, by the first polarizer
(5) hand rotation head (10) rotation is in 0 ° of position, and hand rotation head (10) of the second polarizer (7) is rotated in 45 ° of positions；Work as needs
When light transmits from right to left, the hand of the second polarizer (7) rotation head (10) rotation is in 0 ° of position, and by the first polarizer (5)
Hand rotation head (10) be 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 revolve head (10) with
For in 0 ° of position when the front side wall contact of hand spin slot (9), when the rear wall that hand revolves head (10) and hand spin slot (9) contacts in
45 ° of positions.
8. a kind of regulative mode of adjustable light isolator according to claim 7, it is characterised in that: when need light from a left side
When transmitting to the right, hand rotation head (10) of the first polarizer (5) is rotated and is contacted with the front side wall of hand spin slot (9), by the second polarization
Hand rotation head (10) rotation of device is contacted with the rear wall of hand spin slot (9)；When needing light to transmit from right to left, by the second polarizer
Hand rotation head (10) rotation contact with the front side wall of hand spin slot (9), and by the hand of the first polarizer (5) revolve head (10) rotate and hand
The rear wall of spin slot (9) contacts.
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 CN108110610A (en) | 2018-06-01 |
| CN108110610B true CN108110610B (en) | 2019-09-13 |
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ID=62213476
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| 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 |
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| 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 |
|---|---|
| CN108110610A (en) | 2018-06-01 |
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