CN208766412U - A kind of fiber acouso optic device stress adjustable support and its system - Google Patents
A kind of fiber acouso optic device stress adjustable support and its system Download PDFInfo
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- CN208766412U CN208766412U CN201821408456.1U CN201821408456U CN208766412U CN 208766412 U CN208766412 U CN 208766412U CN 201821408456 U CN201821408456 U CN 201821408456U CN 208766412 U CN208766412 U CN 208766412U
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Abstract
The utility model discloses a kind of fiber acouso optic device stress adjustable support and its systems.The utility model to apply axial stress to optical fiber, and makes tip and the fiber congruent of acousto-optic driving pyramid by auxiliary installing device using structure of fiber_optic is fixed on one-dimensional precise translating device；The utility model solves the problems, such as that fiber acouso optic device stress in use needs to adjust at any time, and has taken into account the flexibility of the fiber acouso optic device of different application, provides necessary structure for the real functionization of fiber acouso optic device；The utility model proposes auxiliary installing devices simultaneously, and the structural adjustment is flexible, and reusable, the batch that can satisfy fiber acouso optic device stress adjustable support is installed and used, and solves the problems, such as that acousto-optic pyramid is aligned with optical-fibre precise in production process；So that fiber acouso optic device is really carried out disengaging laboratory and move towards application, establishes solid foundation for its application in fields such as All fiber communication, all -fiber sensing, full-optical-fiber lasers.
Description
Technical field
The utility model relates to all-fiber devices fields, and in particular to a kind of fiber acouso optic device stress adjustable support and
Its system.
Background technique
Because all -fiber acousto-optical device has the characteristic of fiber mode conversion, it is very widely used, from simplest
Band stopband bandpass filter, the vector vortex beams synthesis to current forefront have application, it is often more important that, acousto-optic interaction
Law of conservation of energy is followed, the change of optical frequency, i.e. frequency shifter may be implemented, be widely used in heterodyne detection and dynamic structure
The formation of light field.In addition, all -fiber acousto-optical device also has low-power consumption, signal-to-noise ratio is high, the lot of advantages such as at low cost, meanwhile, it
It also retains and easy facilitates the characteristic docked with existing All fiber communication network with all -fiber sensing network.
Typical fiber acouso optic device includes at least an a ultrasound-driven pyramid C and treated optical fiber D or light
Fine structure.It is formed as shown in Figure 1, ultrasound-driven pyramid C is bonded by piezoelectric ceramics PC and ultrasound cumulative pyramid C, ultrasound-driven angle
Cone C is adhered to optical fiber D.Electric signal is loaded on cone by adding in ultrasound-driven, by vibrating the sound wave formed in a fiber, changes light
The state of optical transport in fibre.
But the example that all -fiber acousto-optical device is really applied at present is almost without this is because several reasons below:
1 single mode optical fiber itself is very thin, general only 125 microns, in order to increase drive efficiency, usually also needs to carry out corruption
Erosion, reduces the diameter, fragile structure；
The pyramid tip very little of 2 all -fiber acousto-optic filters is aligned with the bonding of optical fiber and needs accurate D translation platform,
This causes in laboratory that this structure size is very big, and structure is complicated；
3 is most important, and the service band and efficiency of all -fiber Acousto-optic filtering device are very sensitive to fiber stress, so viscous
The optical fiber connect is generally also required to the alignment of D translation platform and adjusts stress, in the external world in application, also needing to consider that environment temperature becomes
Response is added caused by change, and additional stress is needed to correct.
Above several reasons, it is bulky to have ultimately caused current fiber acouso optic device, counts additional at least two in and arrives
Three D translation platforms, the excessively high disadvantage of use cost, so that limiting it moves towards application.
Summary of the invention
Based on the above problems of the prior art, the utility model, which passes through, to study for a long period of time, the utility model proposes
A kind of fiber acouso optic device stress adjustable support and its system.
One purpose of the utility model is to propose a kind of fiber acouso optic device stress adjustable support.
The fiber acouso optic device stress adjustable support of the utility model includes: bottom plate, two structure of fiber_optic and one-dimensional essence
Close translating device；Wherein, one-dimensional precise translating device is set along the direction of optical fiber in the one or both ends of bottom plate；If in bottom plate
One-dimensional precise translating device is arranged in one end, then a structure of fiber_optic is fixedly mounted on one-dimensional precise translating device, in bottom plate
Another structure of fiber_optic is fixedly mounted in the other end, and one-dimensional precise translating device drives structure of fiber_optic to move integrally, and acousto-optic drives angle
Cone is mounted on bottom plate on the connecting line of two structure of fiber_optic, and far from one-dimensional precise translating device；If in bottom plate
One-dimensional precise translating device is respectively set in both ends, then a structure of fiber_optic is fixedly mounted respectively on one-dimensional precise translating device,
One-dimensional precise translating device drives structure of fiber_optic to move integrally, and acousto-optic driving pyramid, which is mounted on bottom plate, is located at two structure of fiber_optic
Connecting line on, and be located between two structure of fiber_optic；Acousto-optic drives the tip of pyramid to be not less than two structure of fiber_optic
Top；Bottom plate and two structure of fiber_optic are all made of rigid material；The top of two structure of fiber_optic is arranged in optical fiber.
The top of two structure of fiber_optic is arranged in by clamping or bonding for optical fiber；By one-dimensional precise translating device along light
Fine direction changes position, to apply axial stress to optical fiber.
Further, the utility model further includes attachment device, and attachment device is to be arranged on bottom plate to be used to install optical fiber
Installation screw or penetrating slit, for install acousto-optic driving pyramid electric input adapter and for install frequency shifter coupling
One of bracket of optical fiber is a variety of.
The utility model further includes shell, and bottom plate, two structure of fiber_optic and one-dimensional precise translating device are arranged inside the shell,
It is provided with input optical fibre port, output optical fibre port, the electrical interface for loading ultrasonic wave driving voltage and use on the shell
Port is adjusted in the stress of adjustment one-dimensional precise translating device.
It is 0~5mm that acousto-optic, which drives the vertical range on the tip of pyramid and the top of two structure of fiber_optic,.Acousto-optic drives pyramid
The position of pyramid is determined according to the length in acousto-optic interaction area for acousto-optic interaction area between one-dimensional precise translating device.
One-dimensional precise translating device uses fine thread, manual one-dimensional translation stage or the one-dimensional translation stage from driving.
The coefficient of thermal expansion of structure of fiber_optic and the coefficient of thermal expansion of optical fiber are same or different；If the coefficient of thermal expansion of structure of fiber_optic with
The coefficient of thermal expansion of optical fiber is identical, then in the case where range of temperature is little, structure of fiber_optic can be omitted before each use
The one-dimensional precise translating device and corresponding regulating step that axis stress is adjusted；If the coefficient of thermal expansion of structure of fiber_optic and the heat of optical fiber
Swollen coefficient is different, then one-dimensional precise translating device that the axis stress of structure of fiber_optic is adjusted and corresponding is needed before each use
Regulating step.
Another purpose of the utility model is to propose a kind of fiber acouso optic device stress adjustable support system.
The fiber acouso optic device stress adjustable support system of the utility model includes: that fiber acouso optic device stress is adjustable
Bracket, auxiliary installing device and platform；Wherein, auxiliary installing device includes first to third D translation platform and two optical fiber
Fixture, the first and second D translation platforms are located at the two sides of third D translation platform, and the direction along optical fiber is fixedly mounted on
On platform, fiber clamp is respectively set on the first and second D translation platforms；Fiber acouso optic device stress adjustable support is solid
It is scheduled on third D translation platform；Optical fiber is placed on two fiber clamps of the first and second D translation platforms；Optical fiber acousto-optic device
Part stress adjustable support includes bottom plate, two structure of fiber_optic and one-dimensional precise translating device, and bottom plate and two structure of fiber_optic are equal
Using rigid material, one-dimensional precise translating device is set along the direction of optical fiber in the one or both ends of bottom plate；If the one of bottom plate
End setting one-dimensional precise translating device, then be fixedly mounted a structure of fiber_optic, in the another of bottom plate on one-dimensional precise translating device
Another structure of fiber_optic is fixedly mounted in one end, and one-dimensional precise translating device drives structure of fiber_optic to move integrally, and acousto-optic drives pyramid
It is mounted on bottom plate on the connecting line of two structure of fiber_optic, and far from one-dimensional precise translating device；If the two of bottom plate
One-dimensional precise translating device is respectively set in end, then is fixedly mounted a structure of fiber_optic respectively on one-dimensional precise translating device, and one
Tieing up accurate translating device drives structure of fiber_optic to move integrally, and acousto-optic driving pyramid, which is mounted on bottom plate, is located at two structure of fiber_optic
On connecting line, and it is located between two structure of fiber_optic；Acousto-optic drives the tip of pyramid not less than the top of two structure of fiber_optic
End；Acousto-optic drives tip and the fiber congruent of pyramid；The top of two structure of fiber_optic is arranged in optical fiber.
The advantages of the utility model:
The utility model is using structure of fiber_optic is fixed on one-dimensional precise translating device, to apply axial answer to optical fiber
Power, and by auxiliary installing device make acousto-optic drive pyramid tip and fiber congruent；The utility model solves optical fiber sound
Optical device stress in use needs the problem of adjusting at any time, and taken into account different application fiber acouso optic device it is flexible
Property, necessary structure is provided for the real functionization of fiber acouso optic device；Simultaneously the utility model proposes auxiliary installing device,
The structural adjustment is flexible, reusable, and the batch that can satisfy fiber acouso optic device stress adjustable support is installed and used, solution
The problem of acousto-optic pyramid is aligned with optical-fibre precise in production process of having determined；The utility model can make fiber acouso optic device really into
Row is detached from laboratory and moves towards application, establishes for its application in fields such as All fiber communication, all -fiber sensing, full-optical-fiber lasers
Solid foundation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the fiber acouso optic device of the prior art；
Fig. 2 is the schematic diagram of the embodiment one of the fiber acouso optic device stress adjustable support of the utility model；
Fig. 3 is the schematic diagram of the embodiment two of the fiber acouso optic device stress adjustable support of the utility model；
Fig. 4 is the schematic diagram of the embodiment three of the fiber acouso optic device stress adjustable support of the utility model；
Fig. 5 is the schematic diagram of the fiber acouso optic device stress adjustable support system of the utility model, wherein based on (a)
View (b) is top view.
Specific embodiment
With reference to the accompanying drawing, by specific embodiment, the utility model is further described.
Embodiment one
As shown in Fig. 2, the fiber acouso optic device stress adjustable support of the present embodiment includes: bottom plate A, two structure of fiber_optic
B1 and B2 and one-dimensional precise translating device S；Wherein, one-dimensional precise translating device S is set in bottom plate right end；It is flat in one-dimensional precise
A structure of fiber_optic B2 is fixedly mounted on moving device S, another structure of fiber_optic B1, one-dimensional essence is fixedly mounted in the other end of bottom plate
Close translating device drives structure of fiber_optic to move integrally, and acousto-optic driving pyramid is mounted on the connection for being located at two structure of fiber_optic on bottom plate
On line, and far from one-dimensional precise translating device S；Change position along the direction of optical fiber by one-dimensional precise translating device, from
And axial stress is applied to optical fiber D.
Embodiment two
As shown in figure 3, the fiber acouso optic device stress adjustable support of the present embodiment includes: bottom plate A, two structure of fiber_optic
B1 and B2 and two one-dimensional precise translating device S；Wherein, one-dimensional essence is respectively set along the direction of optical fiber at the both ends of bottom plate A
Close translating device S；Structure of fiber_optic a B1 and B2, one-dimensional precise translation dress is fixedly mounted respectively on one-dimensional precise translating device
It setting and structure of fiber_optic is driven to move integrally, acousto-optic driving pyramid C is mounted on bottom plate on the connecting line of two structure of fiber_optic, and
And it is located at the centre of two structure of fiber_optic；Change position along the direction of optical fiber by one-dimensional precise translating device, thus to light
Fine D applies axial stress.
Embodiment three
As shown in figure 4, the fiber acouso optic device stress adjustable support of the present embodiment includes: bottom plate A, two structure of fiber_optic
B1 and B2 and one-dimensional precise translating device S；Wherein, one-dimensional precise translating device S is set in bottom plate left end；It is flat in one-dimensional precise
A structure of fiber_optic B1 is fixedly mounted on moving device S, another structure of fiber_optic B2, one-dimensional essence is fixedly mounted in the other end of bottom plate
Close translating device drives structure of fiber_optic to move integrally, and acousto-optic driving pyramid is mounted on the connection for being located at two structure of fiber_optic on bottom plate
On line, and far from one-dimensional precise translating device S；Change position along the direction of optical fiber by one-dimensional precise translating device, from
And axial stress is applied to optical fiber D.
As shown in figure 5, the fiber acouso optic device stress adjustable support system of the present embodiment includes: that fiber acouso optic device is answered
Power adjustable support, auxiliary installing device and platform P；Wherein, auxiliary installing device includes first to third D translation platform S1
~S3 and two fiber clamp F, the first and second D translation platform S1 and S2 are located at the two of third D translation platform S3
Side is fixedly mounted on platform P along the direction of optical fiber, makes an entirety, in the first and second D translation platform S1 and
Fiber clamp F is respectively set on S2；Fiber acouso optic device stress adjustable support is fixed on third D translation platform S3；Optical fiber
D is placed on two fiber clamp F of the first and second D translation platforms；Logical adjusting overregulates third D translation platform S3 and makes sound
The tip of optical drive pyramid C is overlapped with optical fiber D.
The installation method of the fiber acouso optic device stress adjustable support system of the present embodiment, comprising the following steps:
1) one-dimensional precise translating device is arranged in the both ends of bottom plate along the direction of optical fiber；
2) one-dimensional precise translating device is respectively set at the both ends of bottom plate, it is fixed respectively on one-dimensional precise translating device to pacify
A structure of fiber_optic is filled, one-dimensional precise translating device drives structure of fiber_optic to move integrally, and acousto-optic driving pyramid is mounted on bottom plate
On the upper connecting line for being located at two structure of fiber_optic, and it is located between two structure of fiber_optic；Acousto-optic drives the tip of pyramid not
Lower than the top of two structure of fiber_optic；
3) two fiber clamps are separately positioned on the first and second D translation platforms, along the direction of optical fiber by the first He
The two sides that second D translation platform is located at third D translation platform are arranged on platform；
4) optical fiber is placed on the first and second D translation platforms of two sides, it is using two fiber clamps that optical fiber is temporarily solid
It is fixed；
5) fiber acouso optic device stress adjustable support is fixed on third D translation platform, is placed in parallel with optical fiber；
6) by adjusting third D translation platform, optical fiber is made to drive the tip of pyramid to be overlapped with acousto-optic；
7) tip of acousto-optic driving pyramid is bonded on optical fiber, adjusts stress by the first and second D translation platforms,
And test the performance of confirmation acousto-optic driving pyramid and optical fiber；
8) position is changed along the direction of optical fiber by one-dimensional precise translating device, to apply axial stress to optical fiber；
9) by bonding fiber or it is clamped on two structure of fiber_optic of fiber acouso optic device stress adjustable support.
It further, further include installing shell and reserved port additional, by bottom plate, two structure of fiber_optic and one-dimensional precise translating device
Inside the shell, there are input optical fibre port, output optical fibre port, the electricity for loading ultrasonic wave driving voltage on the shell for setting
Interface and stress adjust one of port or a variety of.
It further include adding other attachmentes, other attachmentes are tapered fiber, the whispering gallery mould microcavity, light for exporting cladding mode
Grid, coupler or sound absorber structure.
It is finally noted that the purpose for publicizing and implementing example is to help to further understand the utility model, but originally
The technical staff in field is understood that in the spirit and scope for not departing from the utility model and the attached claims, various
Substitutions and modifications are all possible.Therefore, the utility model should not be limited to embodiment disclosure of that, and the utility model is wanted
Seek the range of protection subject to the scope defined in the claims.
Claims (7)
1. a kind of fiber acouso optic device stress adjustable support, which is characterized in that the adjustable branch of the fiber acouso optic device stress
Frame includes: bottom plate, two structure of fiber_optic and one-dimensional precise translating device；Wherein, the bottom plate and two structure of fiber_optic are all made of
Rigid material；One-dimensional precise translating device is set along the direction of optical fiber in the one or both ends of bottom plate；If one end in bottom plate is set
One-dimensional precise translating device is set, then a structure of fiber_optic is fixedly mounted on one-dimensional precise translating device, in the other end of bottom plate
Another structure of fiber_optic is fixedly mounted, one-dimensional precise translating device drives structure of fiber_optic to move integrally, and the acousto-optic drives pyramid
It is mounted on bottom plate on the connecting line of two structure of fiber_optic, and far from one-dimensional precise translating device；If the two of bottom plate
One-dimensional precise translating device is respectively set in end, then is fixedly mounted a structure of fiber_optic respectively on one-dimensional precise translating device, and one
Tieing up accurate translating device drives structure of fiber_optic to move integrally, and the acousto-optic driving pyramid, which is mounted on bottom plate, is located at two optical fiber branch
On the connecting line of frame, and it is located between two structure of fiber_optic；The tip of the acousto-optic driving pyramid is not less than two optical fiber
The top of bracket；The tip of the acousto-optic driving pyramid and fiber congruent；The top of two structure of fiber_optic is arranged in optical fiber.
2. fiber acouso optic device stress adjustable support as described in claim 1, which is characterized in that it further include attachment device,
The attachment device is the installation screw for being used to install optical fiber being arranged on bottom plate or penetrating slit, for installing acousto-optic drive
Move one of the electric input adapter of pyramid and the bracket for installing frequency shifter coupling optical fiber or a variety of.
3. fiber acouso optic device stress adjustable support as described in claim 1, which is characterized in that it further include shell, it is described
Bottom plate, two structure of fiber_optic and the setting of one-dimensional precise translating device inside the shell, are provided with input optical fibre port, defeated on the shell
Fiber port, the electrical interface for loading ultrasonic wave driving voltage and the stress tune for adjusting one-dimensional precise translating device out
Save port.
4. fiber acouso optic device stress adjustable support as described in claim 1, which is characterized in that the acousto-optic drives pyramid
Tip and two structure of fiber_optic top vertical range be 0~5mm.
5. fiber acouso optic device stress adjustable support as described in claim 1, which is characterized in that the heat of the structure of fiber_optic
The coefficient of thermal expansion of swollen coefficient and optical fiber is same or different.
6. fiber acouso optic device stress adjustable support as described in claim 1, which is characterized in that the optical fiber passes through clamping
Or the top of two structure of fiber_optic is arranged in bonding.
7. a kind of fiber acouso optic device stress adjustable support system, which is characterized in that the fiber acouso optic device stress is adjustable
Saving support system includes: fiber acouso optic device stress adjustable support, auxiliary installing device and platform；Wherein, the auxiliary peace
Installing standby includes first to third D translation platform and two fiber clamps, and the first and second D translation platforms are located at the
The two sides of three D translation platforms, the direction along optical fiber are fixedly mounted on platform, on the first and second D translation platforms respectively
Fiber clamp is set；Fiber acouso optic device stress adjustable support is fixed on third D translation platform；Optical fiber is placed in the first He
On two fiber clamps of the second D translation platform；The fiber acouso optic device stress adjustable support includes bottom plate, two light
Fine bracket and one-dimensional precise translating device, bottom plate and two structure of fiber_optic are all made of rigid material, in the one or both ends of bottom plate
Along the direction of optical fiber, one-dimensional precise translating device is set；If one-dimensional precise translating device is arranged in one end of bottom plate, one-dimensional
A structure of fiber_optic is fixedly mounted on accurate translating device, another structure of fiber_optic is fixedly mounted in the other end of bottom plate, it is one-dimensional
Accurate translating device drives structure of fiber_optic to move integrally, and acousto-optic driving pyramid is mounted on the company for being located at two structure of fiber_optic on bottom plate
In wiring, and far from one-dimensional precise translating device；If one-dimensional precise translating device is respectively set at the both ends of bottom plate, one
It ties up and a structure of fiber_optic is fixedly mounted on accurate translating device respectively, one-dimensional precise translating device drives structure of fiber_optic integrally to move
Dynamic, acousto-optic driving pyramid is mounted on bottom plate on the connecting line of two structure of fiber_optic, and is located at two structure of fiber_optic
Between；The tip of the acousto-optic driving pyramid is not less than the top of two structure of fiber_optic；The tip of acousto-optic driving pyramid with
Fiber congruent；The top of two structure of fiber_optic is arranged in the optical fiber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408456.1U CN208766412U (en) | 2018-08-30 | 2018-08-30 | A kind of fiber acouso optic device stress adjustable support and its system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821408456.1U CN208766412U (en) | 2018-08-30 | 2018-08-30 | A kind of fiber acouso optic device stress adjustable support and its system |
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| CN208766412U true CN208766412U (en) | 2019-04-19 |
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