CN207232436U - The Integral sound/light switch that a kind of new full glass integrates - Google Patents
The Integral sound/light switch that a kind of new full glass integrates Download PDFInfo
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- CN207232436U CN207232436U CN201720665041.1U CN201720665041U CN207232436U CN 207232436 U CN207232436 U CN 207232436U CN 201720665041 U CN201720665041 U CN 201720665041U CN 207232436 U CN207232436 U CN 207232436U
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- switching
- optical fiber
- light
- optical fibre
- fusion point
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Abstract
The Integral sound/light switch that a kind of novel all-glass integrates, input optical fibre, switching optical fiber and output optical fibre including being glass material, input optical fibre and the output optical fibre both ends welding with switching optical fiber respectively, 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 fusion point A ', fusion point A and fusion point A ' positioned at the both sides of the central axis of switching optical fiber；When not applying acoustic signals to switching optical fiber, light is in the fusion point A ' for switching fiber-optic output with entering in the fusion point A of switching optic fibre input end to identical transmission direction in output optical fibre；When applying acoustic signals to switching optical fiber, the light switched in optical fiber deflects, and light is not entered in output optical fibre.The utility model is full glass type optical fiber acoustooptic switch, and without other mechanical structured members, switching optical fiber is realized by one section of graded index fiber optic, avoids the problem of common optical switch construction is complicated, and component is various, and light transmission loss is big.
Description
Technical field
The utility model belongs to field of optical device technology, the integration that specifically a kind of new full glass integrates
Acoustooptic switch.
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 fulfill 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
Utility application, discloses a kind of acoustooptic switch, including multiple switch units, driving lever and drive component, the multiple
Switch unit is in single array arrangement, and each switch unit includes adjustable plate, input end fiber collimater and multiple defeated
Outlet optical fiber collimator, the input end fiber collimater are arranged on the adjustable plate, the multiple output terminal fiber optic collimator
Device is distributed in the Plane of rotation of the input end fiber collimater, and the driving lever is connected to the driving component, the driving lever
Under the drive of the driving component, along the arragement direction of the multiple switch unit, between the multiple switch unit
It is mobile so that the driving lever can coordinate with the adjustable plate in each switch unit, when the driving lever and wherein one
When a adjustable plate coordinates, the driving lever can drive the adjustable plate together with the tune under the drive of the driving component
The input end fiber collimater on section plate is rotated to realize the input end fiber collimater and the output to be gated
Hold optical fiber collimator alignment.It can be seen that by above-mentioned, the input terminal and output end structure of the acoustooptic switch are complex, mechanical structure
Part is various, complex process, and cost of manufacture is high, and operation is implemented cumbersome.Meanwhile the optical signal of existing acoustooptic switch is needed in free sky
Between middle propagation, be easily interfered, limited reliability, malfunction probability it is higher.
Utility model content
The technical problem to be solved by the present invention is to provide the Integral sound/light that a kind of new full glass integrates to switch,
Without other mechanical structured members, switching optical fiber is realized by one section of graded index fiber optic, avoids common optical switch construction complexity,
The problem of component is various, and light transmission loss is big, is full glass type optical fiber acoustooptic switch, no free-space propagation, without it
His medium.
In order to solve the above-mentioned technical problem, the utility model takes following technical scheme：
The Integral sound/light switch that a kind of novel all-glass integrates, including be the input optical fibre of glass material, switching light
The both ends welding with switching optical fiber respectively of fine and output optical fibre, input optical fibre and output optical fibre, input optical fibre and switching optical fiber
Tie point is fusion point A, and the tie point of output optical fibre and switching optical fiber is that fusion point A ', fusion point A and fusion point A ' are located at
Switch the both sides of the central axis of optical fiber；
When not applying acoustic signals to switching optical fiber, light is in the fusion point A ' for switching fiber-optic output with switching light
The fusion point A of fine input terminal enters in output optical fibre to identical transmission direction；
When applying acoustic signals to switching optical fiber, the light switched in optical fiber deflects, and light is directly from switching light
Fine outwards outgoing is without entering in output optical fibre.
The switching optical fiber is graded index fiber optic.
The fusion point A is located on the central axis of input optical fibre, and fusion point A ' 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 A ' to the center of switching light
The vertical range of axis.
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 input optical fibre, switching optical fiber and output optical fibre are made of identical glass material.
The utility model controls light deflection by acoustooptical effect, realizes all -fiber acoustooptic switch function, realizes output
The switching of unlike signal in optical fiber.The utility model is full glass type optical fiber acoustooptic switch, without other mechanical structured members, switching
Optical fiber is realized by one section of graded index fiber optic, avoids common optical switch construction complexity, component is various, light transmission loss
The problem of big.
Brief description of the drawings
Attached drawing 1 does not apply implementation structure diagram during acoustic signals for the utility model.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model discloses the Integral sound/light switch that a kind of new full glass integrates, bag
Include be glass material input optical fibre 101, switching optical fiber 102 and output optical fibre 103, input optical fibre and output optical fibre respectively with
Switch the both ends welding of optical fiber, input optical fibre is fusion point A, output optical fibre and the company for switching optical fiber with the tie point for switching optical fiber
Contact is fusion point A ', fusion point A and fusion point A ' positioned at the both sides of the central axis of switching optical fiber.Such as the present embodiment
In, fusion point A is positioned at the downside of switching fiber optic hub axis, and fusion point A ' is then located at the upside of switching fiber optic hub axis,
The input optical fibre and output optical fibre shift to install.Above bearing definition, on the basis of attached drawing 1 Suo Shi.
When not applying acoustic signals to switching optical fiber, light is in the fusion point A ' for switching fiber-optic output with switching light
The fusion point A of fine input terminal enters in output optical fibre to identical transmission direction.
When applying acoustic signals to switching optical fiber, the light switched in optical fiber deflects, and light is directly from switching light
Fine outwards outgoing is without entering in output optical fibre.
Whether so as to by the application of acoustic signals, change the signal of output optical fibre, which can be set to " 0 " and " 1 ".
When not applying acoustic signals, the light switched in optical fiber keeps consistent with incident angle in outgoing, this time
Line is transferred in output optical fibre from switching optical fiber, is emitted by output optical fibre, signal can be set to " 1 ".When to switching optical fiber
When applying acoustic signals, light is set to deflect in optical fiber is switched so as to allow light directly outwards to be projected from switching optical fiber
Without entering in output optical fibre, output optical fibre does not have beam projecting at this time, and signal is " 0 ".
The switching optical fiber is graded index fiber optic, length L0, L of the light in switching light0The position of/2 length
During middle transmission, the Fourier transformation of light transmission information is realized just.
Described when not applying acoustic signals to switching optical fiber, eye point of the light in light switch and incidence point 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 A ' 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 A ' to switching light central axis upright away from
From that is, input optical fibre and output optical fibre are shifted to install centered on switching optical fiber at the both ends of the switching optical fiber.
Light beam incides to be transmitted in the switching optical fiber of gradually changed refractive index along cyclic curve path holding Gaussian mode.When light into
When the incidence point entered to switching optical fiber deviates central shaft line position-△ h, beam Propagation path is still cyclic curve, and curve is all
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.Since parabolically type is symmetrical for refractive index in switching optical fiber, light is not having sound wave effect feelings
Under condition, L is transmitted to0During 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 related 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 utility model, when not applying acoustic signals to switching optical fiber, light is through input optical fibre 101 by fusion point A
Into switching optical fiber 102, in switch optical fiber 102 transmit when keep Gaussian mode transmission, switch optical fiber eye point A ' with
Fusion point A is emitted to identical transmission direction and enters in output optical fibre.Wherein, light is after switching optical fiber transmission, transmission
Direction is constant, and perpendicular to switching optical fiber direction certain translation is occurring for eye point.Apply when in 102 direction of Vertical Handover optical fiber
During acoustic signals 104, due to acoustooptical effect, the light switched in optical fiber 102 deflects so that light is directly from switching optical fiber
In outwards project and ensure that light is not entered into output optical fibre 103, output optical fibre does not have light injection at this time.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas, are equally included in the patent within the scope of the utility model.
Claims (6)
- A kind of 1. Integral sound/light switch that new full glass integrates, it is characterised in that the input including being glass material Optical fiber, switching optical fiber and output optical fibre, input optical fibre and output optical fibre respectively with switching the both ends welding of optical fiber, input optical fibre with The tie point of switching optical fiber be fusion point A, and the tie point of output optical fibre and switching optical fiber be fusion point A ', fusion point A with melt Contact A ' is positioned at the both sides of the central axis of switching optical fiber；Not to switching optical fiber apply acoustic signals when, light switching fiber-optic output fusion point A ' with switching optical fiber it is defeated The fusion point A for entering end enters in output optical fibre to identical transmission direction；When to switching optical fiber apply acoustic signals when, switch optical fiber in light deflect, light directly from switching optical fiber to Outer outgoing is without entering in output optical fibre.
- 2. the Integral sound/light switch that new full glass according to claim 1 integrates, it is characterised in that the switching Optical fiber is graded index fiber optic.
- 3. the Integral sound/light switch that new full glass according to claim 2 integrates, it is characterised in that the welding Point A is located on the central axis of input optical fibre, and fusion point A ' is located on the central axis of output optical fibre.
- 4. the Integral sound/light switch that new full glass according to claim 3 integrates, it is characterised in that the welding The vertical range of point A to the central axis for switching optical fiber is equal to fusion point A ' to the vertical range of the central axis of switching light.
- 5. the Integral sound/light switch that new full glass according to claim 4 integrates, it is characterised in that the switching Fiber lengths are L0, L of the light in switching light0When being transmitted in the position of/2 length, the Fourier of light transmission information is carried out Conversion.
- 6. the Integral sound/light switch that new full glass according to claim 5 integrates, it is characterised in that the input Optical fiber, switching optical fiber and output optical fibre are made of identical glass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665041.1U CN207232436U (en) | 2017-06-09 | 2017-06-09 | The Integral sound/light switch that a kind of new full glass integrates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720665041.1U CN207232436U (en) | 2017-06-09 | 2017-06-09 | The Integral sound/light switch that a kind of new full glass integrates |
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| CN207232436U true CN207232436U (en) | 2018-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193084A (en) * | 2017-06-09 | 2017-09-22 | 广东省智能机器人研究院 | A kind of integrated Integral sound/light switch of new full glass |
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2017
- 2017-06-09 CN CN201720665041.1U patent/CN207232436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193084A (en) * | 2017-06-09 | 2017-09-22 | 广东省智能机器人研究院 | A kind of integrated Integral sound/light switch of new full glass |
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