CN107167878A - A kind of integrated Integral sound/light switch of full glass - Google Patents
A kind of integrated Integral sound/light switch of full glass Download PDFInfo
- Publication number
- CN107167878A CN107167878A CN201710430464.XA CN201710430464A CN107167878A CN 107167878 A CN107167878 A CN 107167878A CN 201710430464 A CN201710430464 A CN 201710430464A CN 107167878 A CN107167878 A CN 107167878A
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- China
- Prior art keywords
- switching
- optical fiber
- light
- optical fibre
- fiber
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Classifications
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/3586—Control or adjustment details, e.g. calibrating
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/33—Acousto-optical deflection devices
- G02F1/335—Acousto-optical deflection devices having an optical waveguide structure
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
A kind of integrated Integral sound/light switch of full glass, including the input optical fibre for glass material, switching optical fiber and output optical fibre, the two ends welding of input optical fibre and output optical fibre respectively with switching optical fiber, the tie point of input optical fibre and switching optical fiber is fusion point A, the tie point of output optical fibre and switching optical fiber is located at the same side of the central axis of switching optical fiber for fusion point A1, fusion point A and fusion point A1；When not applying acoustic signals to switching optical fiber, light is identical with the incident angle holding in switching optic fibre input end in the shooting angle of switching fiber-optic output, from the light of switching fiber exit does not enter output optical fibre；When applying acoustic signals to switching optical fiber, the light in switching optical fiber deflects and is injected into output optical fibre.The present invention is full glass type optical fiber acoustooptic switch, without other mechanical structured members, and switching optical fiber is realized by one section of graded index fiber optic, it is to avoid common optical switch construction complexity, and component is various, the problem of light transmission loss is big.
Description
Technical field
The invention belongs to field of optical device technology, the integrated Integral sound/light switch of specifically a kind of full glass.
Background technology
Acousto-optical device is based on acoustooptical effect, using the deflection angle of the different FREQUENCY CONTROL light of sound wave, so as to realize speed
Degree is fast, reliability is high, without the small acoustooptic switch function of mechanical movement, loss.Such as the China that patent publication No. is CN105511022
Application for a patent for invention, discloses a kind of acoustooptic switch, including multiple switch units, driving lever and drive component, the multiple switching
Unit is in single array arrangement, and each switch unit includes adjustable plate, input end fiber collimater and multiple output ends
Optical fiber collimator, the input end fiber collimater is arranged on the adjustable plate, the multiple output end optical fiber collimator point
Cloth is in the Plane of rotation of the input end fiber collimater, and the driving lever is connected to the drive component, and the driving lever is in institute
Under the drive for stating drive component, along the arragement direction of the multiple switch unit, moved between the multiple switch unit,
The driving lever is coordinated with the adjustable plate in each switch unit, when described in the driving lever and one of them
When adjustable plate coordinates, the driving lever can drive the adjustable plate together with the adjustable plate under the drive of the drive component
The input end fiber collimater rotate to realize the input end fiber collimater and the output end optical fiber to be gated
Collimator-alignment.It can be seen that by above-mentioned, the input and output end structure of the acoustooptic switch are complex, and mechanical component is numerous
Many, complex process, cost of manufacture is high, and operation is implemented cumbersome.Meanwhile, the optical signal of existing acoustooptic switch needs in free space
Propagate, be easily interfered, limited reliability, misoperation probability is higher.
The content of the invention
The technical problem to be solved in the present invention is to provide the Integral sound/light switch that a kind of full glass is integrated, without other machines
Tool structural member, switching optical fiber is realized by one section of graded index fiber optic, it is to avoid common optical switch construction complexity, component is various
, the problem of light transmission loss is big is full glass type optical fiber acoustooptic switch, no free-space propagation, without other media.
In order to solve the above-mentioned technical problem, the present invention takes following technical scheme：
A kind of integrated Integral sound/light switch of full glass, including be the input optical fibre, switching optical fiber and output of glass material
Optical fiber, input optical fibre and output optical fibre respectively with switch optical fiber two ends welding, input optical fibre with switching optical fiber tie point be
The tie point of fusion point A, output optical fibre and switching optical fiber is located at for fusion point A1, fusion point A and fusion point A1 switches optical fiber
Central axis the same side；
When not applying acoustic signals to switching optical fiber, light is in the shooting angle of switching fiber-optic output and in switching optical fiber input
The incident angle at end keeps identical, from the light of switching fiber exit does not enter output optical fibre；
When applying acoustic signals to switching optical fiber, the light in switching optical fiber deflects and is injected into output optical fibre by defeated
Go out optical fiber outwards to project.
The switching optical fiber is graded index fiber optic.
Described when not applying acoustic signals to switching optical fiber, eye point and incidence point of the light in switching light distinguish position
In the both sides of the central axis of the switching optical fiber.
The fusion point A is located on the central axis of input optical fibre, and fusion point A1 is located on the central axis of output optical fibre.
The vertical range of the fusion point A to the central axis for switching optical fiber is equal to fusion point A1 to the center of switching light
Axis vertical range.
The switching fiber lengths are L0, L of the light in switching light0When being transmitted in the position of/2 length, light is carried out
Transmit the Fourier transformation of information.
The present invention controls light deflection by acoustooptical effect, realizes all -fiber acoustooptic switch function, realizes output optical fibre
The switching of middle unlike signal.The present invention is full glass type optical fiber acoustooptic switch, and without other mechanical structured members, switching optical fiber is by one
Section graded index fiber optic is realized, it is to avoid common optical switch construction is complicated, and component is various, light transmission loss asking greatly
Topic.
Brief description of the drawings
Accompanying drawing 1 does not apply implementation structural representation during acoustic signals for the present invention；
Accompanying drawing 2 applies the implementation structural representation after acoustic signals for the present invention.
Embodiment
For the ease of the understanding of those skilled in the art, the invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1 and 2, present invention is disclosed a kind of integrated Integral sound/light switch of full glass, including it is glass
Input optical fibre 101, switching optical fiber 102 and the output optical fibre 103 of glass material, input optical fibre and output optical fibre are respectively with switching optical fiber
Two ends welding, input optical fibre with switching optical fiber tie point be fusion point A ', output optical fibre with switching optical fiber tie point be
Fusion point A1, fusion point A and fusion point A1 are located at the same side of the central axis of switching optical fiber, and switching optical fiber can be located at simultaneously
The downside of central axis, the upside of switching fiber optic hub axis can also be located at simultaneously.
When not applying acoustic signals to switching optical fiber, light is in the shooting angle of switching fiber-optic output and in switching optical fiber
The incident angle of input keeps identical, from the light of switching fiber exit does not enter output optical fibre, in the present embodiment, if
Surely Exit positions when switching optical fiber does not apply acoustic signals are eye point A.I.e. from the transmission for the light for switching fiber exit
Direction, transmission direction when switching light is entered with the light is identical, and the light from switching fiber exit is relative to incidence
Light is vertically translated, and shooting angle keeps consistent with incident angle.
When applying acoustic signals 104 to switching optical fiber 102, the light in switching optical fiber deflects and is injected into output
Outwards projected by output optical fibre in optical fiber.By applying the acoustic signals of certain frequency to switching optical fiber, change light in switching
Original transmission direction in optical fiber, makes light deflect so that light enter in output optical fibre from the output optical fibre to
It is outer to project.So as to by the applications of acoustic signals whether, change the signal of output optical fibre, the signal can be set to " 0 " and " 1 ".
When not applying acoustic signals, the light in switching optical fiber keeps consistent with incident angle in outgoing, now defeated
Going out optical fiber does not have light entrance, and signal can be set to " 0 ".When applying acoustic signals to switching optical fiber, make light in switching optical fiber
In deflect, allow light to enter in output optical fibre, now output optical fibre has a beam projecting, signal is " 1 ".
The switching optical fiber is graded index fiber optic, and length is L0, L of the light in switching light0The position of/2 length
During middle transmission, realize that light transmits the Fourier transformation of information just.
Described when not applying acoustic signals to switching optical fiber, eye point and incidence point of the light in switching light distinguish position
In the both sides of the central axis of the switching optical fiber.
The fusion point A is located on the central axis of input optical fibre, and fusion point A1 is located on the central axis of output optical fibre.
Fusion point A to switch optical fiber central axis vertical range be equal to fusion point A1 to switch light central axis upright away from
From.
Light beam incides in the switching optical fiber of gradually changed refractive index and keeps Gaussian mode transmission along cyclic curve path.When light enters
When the incidence point entered to switching optical fiber deviates central shaft line position-△ h, beam Propagation path is still cyclic curve, curve week
Phase is set to 2L0, in L0At/2, light deflection angle is with being in Fu away from displacement x of the incidence end light away from switching fiber optic hub axial location
In leaf transformation relation.Due to switching refractive index in optical fiber, parabolically type is symmetrical, therefore light is not having sound wave effect feelings
Under condition, transmit to L0During place, shooting angle is identical with incident angle, and the position of eye point is △ h away from switching fiber optic hub distance.
Under sound wave effect, light transmission direction deflects, and yaw displacement is relevant with acoustic signals frequency and intensity, by setting not
Same acoustic signals parameter, may be selected the posetionof weld of different output optical fibres.
In the present invention, when not applying acoustic signals to switching optical fiber, light is entered through input optical fibre 101 by fusion point A
Switch optical fiber 102, switch optical fiber 102 in transmit when keep Gaussian mode transmission, switching optical fiber eye point A ' with welding
Point A is to identical transmission direction outgoing.Wherein, light through switch optical fiber transmission after, transmission direction is constant, eye point perpendicular to
Switch optical fiber direction and occur certain translation.When applying acoustic signals 104 in the direction of Vertical Handover optical fiber 102, due to acousto-optic
Light in effect, switching optical fiber 102 is deflected to A1 points, and light is entered in output optical fibre by the outgoing of output optical fibre 103.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (6)
1. the integrated Integral sound/light switch of a kind of full glass, it is characterised in that including being the input optical fibre of glass material, cutting
Change optical fiber and output optical fibre, the two ends welding of input optical fibre and output optical fibre respectively with switching optical fiber, input optical fibre and switching light
Fine tie point is fusion point A, and output optical fibre is fusion point A1, fusion point A and fusion point A1 with the tie point for switching optical fiber
Positioned at the same side of the central axis of switching optical fiber；
When not applying acoustic signals to switching optical fiber, light is in the shooting angle of switching fiber-optic output and in switching optical fiber input
The incident angle at end keeps identical, from the light of switching fiber exit does not enter output optical fibre；
When applying acoustic signals to switching optical fiber, the light in switching optical fiber deflects and is injected into output optical fibre by defeated
Go out optical fiber outwards to project.
2. full glass according to claim 1 it is integrated Integral sound/light switch, it is characterised in that it is described switching optical fiber be
Graded index fiber optic.
3. the integrated Integral sound/light switch of full glass according to claim 2, it is characterised in that described not to switching light
When fibre applies acoustic signals, eye point of the light in switching light is located at the central axis of the switching optical fiber with incidence point respectively
Both sides.
4. the integrated Integral sound/light switch of full glass according to claim 3, it is characterised in that described fusion point A
In on the central axis of input optical fibre, fusion point A1 is located on the central axis of output optical fibre.
5. the integrated Integral sound/light switch of full glass according to claim 4, it is characterised in that the fusion point A is extremely
The vertical range for switching the central axis of optical fiber is equal to fusion point A1 to the central axis upright distance of switching light.
6. the integrated Integral sound/light switch of full glass according to claim 5, it is characterised in that the switching optical fiber is long
Spend for L0, L of the light in switching light0When being transmitted in the position of/2 length, the Fourier transformation that light transmits information is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430464.XA CN107167878B (en) | 2017-06-09 | 2017-06-09 | All-glass integrated acousto-optic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430464.XA CN107167878B (en) | 2017-06-09 | 2017-06-09 | All-glass integrated acousto-optic switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107167878A true CN107167878A (en) | 2017-09-15 |
| CN107167878B CN107167878B (en) | 2023-07-07 |
Family
ID=59825888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710430464.XA Active CN107167878B (en) | 2017-06-09 | 2017-06-09 | All-glass integrated acousto-optic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107167878B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020054725A1 (en) * | 2000-02-22 | 2002-05-09 | Gennadii Ivtsenkov | Acousto-optical switch for fiber optic lines |
| US20050196093A1 (en) * | 2004-03-02 | 2005-09-08 | Florida Institute Of Technology | Fiber Optic Switch |
| CN101694386A (en) * | 2009-10-22 | 2010-04-14 | 浙江大学 | High-sensitivity optical fiber gyroscope |
| CN207008117U (en) * | 2017-06-09 | 2018-02-13 | 广东省智能机器人研究院 | A kind of integrated Integral sound/light switch of full glass |
-
2017
- 2017-06-09 CN CN201710430464.XA patent/CN107167878B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020054725A1 (en) * | 2000-02-22 | 2002-05-09 | Gennadii Ivtsenkov | Acousto-optical switch for fiber optic lines |
| US20050196093A1 (en) * | 2004-03-02 | 2005-09-08 | Florida Institute Of Technology | Fiber Optic Switch |
| CN101694386A (en) * | 2009-10-22 | 2010-04-14 | 浙江大学 | High-sensitivity optical fiber gyroscope |
| CN207008117U (en) * | 2017-06-09 | 2018-02-13 | 广东省智能机器人研究院 | A kind of integrated Integral sound/light switch of full glass |
Non-Patent Citations (1)
| Title |
|---|
| 刘国祥 等: "2×2全光纤声光开关的实验研究", 《激光技术》 * |
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| Publication number | Publication date |
|---|---|
| CN107167878B (en) | 2023-07-07 |
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