CN209265008U - A kind of debugging apparatus of rolling clamp and polarization maintaining optical fibre - Google Patents
A kind of debugging apparatus of rolling clamp and polarization maintaining optical fibre Download PDFInfo
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- CN209265008U CN209265008U CN201920024769.5U CN201920024769U CN209265008U CN 209265008 U CN209265008 U CN 209265008U CN 201920024769 U CN201920024769 U CN 201920024769U CN 209265008 U CN209265008 U CN 209265008U
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- polarization maintaining
- optical fibre
- maintaining optical
- optical fiber
- fine platform
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Abstract
The utility model discloses a kind of rolling clamp and the debugging apparatus of polarization maintaining optical fibre, which includes pressing fine platform, rotating mechanism and solid fine platform；It presses fine platform to connect with rotating mechanism, presses and be provided with the first optical fiber duct on fine platform, Gu being provided with the second optical fiber duct on fine platform, the first optical fiber duct and the second optical fiber duct are used to accommodating polarization maintaining optical fibre；Rotating mechanism is used for band dynamic pressure fibre platform and rotates, to drive polarization maintaining optical fibre to rotate relative to solid fine platform；Gu fine platform is for adsorbing polarization maintaining optical fibre, so that polarization maintaining optical fibre holding rotates coaxially.In debugging process, polarization maintaining optical fibre holding is rotated coaxially, and will not arbitrarily be swung, so that end face figure like contrast remains unchanged, can precisely be identified the polarization axle of polarization maintaining optical fibre, be improved debugging efficiency and adjustment accuracy.
Description
Technical field
The utility model belongs to optical fiber debugging technique field, more particularly, to a kind of rolling clamp and polarization maintaining optical fibre
Debugging apparatus.
Background technique
Fiber array is that most widely used device is coupled between optical fiber and waveguide device.Polarization maintaining optical fibre is by increasing light
Fine intrinsic birefringence, to overcome influence of the environmental factor to polarization state in transmission process, so that propagated along optical fiber main shaft
Linearly polarized light is able to maintain its polarization state.Therefore, couple that optical signal can be improved is relevant with waveguide device using polarization maintaining optical fibre array
Signal-to-noise ratio, realize high-acruracy survey, this to by optical coherence detect based on interferometric optical fiber sensor be of great significance.
With the continuous development of integrated optics technique and polarization maintaining optical fibre technology, the high-precision development of optical fibre gyro is promoted to become
Gesture.As the core component of optical fibre gyro, the performance quality of Y waveguide modulator is directly affect fiber optic gyroscope performance superiority and inferiority one
A key factor, and the identification of the polarization axle of polarization maintaining optical fibre array and adjustment accuracy are to promotion fiber array and waveguide coupling package
Efficiency, success rate, reliability have great significance.
The key of polarization maintaining optical fibre array production is the accurate identification and debugging of polarization maintaining optical fibre opal, so that it is determined that polarization-maintaining light
The direction of the polarization axle of fibre array.Currently, there are two main classes for the method that generally uses of the identification of polarization maintaining optical fibre polarization axle: lateral
Method of identification is imaged in end face imaging method and axial side view.For example, the invention of Publication No. CN105068180A, proposes a kind of guarantor
The method that dead axle is imaged in polarisation fibre side view, according to the lens effect that polarization maintaining optical fibre index distribution is uneven and its has, when flat
When panda type polarization-preserving fiber is irradiated in row light side, since stressed zone is different with fibre core inner refractive index, and stressed zone is rotation
It is asymmetric, therefore, an available measurable curve of light distribution on CCD target surface.During fiber spinning
The variation of largest light intensity value, to judge the azimuth of polarization maintaining optical fibre polarization axle.But the program is based on Stress Profile for Polarization-Maintaining area
Position Striking symmetry is ideal premise, and the Stress Profile for Polarization-Maintaining area of actual fabrication is non complete symmetry, the identification of the program
Polarization axle precision will have large error.
The invention of Publication No. CN105759390A proposes a kind of end surface measurement polarization maintaining optical fibre opal and debugs automatically
Scheme.It is irradiated using LED white light in optical fiber incline upward in the program, the light of coupled into optical fibres observes fiber end face
Fibre cladding and stressed zone opal have different contrasts, to identify according to end face, adjust Stress Profile for Polarization-Maintaining axis.It uses
Program polishing, the opal seen at fiber end face are not especially clearly that the degree of regulation of stress axis is not high enough；In rotation light
During fibre, the relative position of optical fiber and oblique illumination light source changes, and causes the contrast of fiber end face that can change,
Cause polarization maintaining optical fibre opal identification debugging efficiency low, adjustment accuracy is not high.
In conclusion existing polarization maintaining optical fibre array fabrication process has, polarization axle accuracy of identification is low, debugging process opal
Contrast changes defect greatly, causes polarization maintaining optical fibre array there are the consistency poor, low efficiency of production and polarization axle debugging smart
Spend not high problem.
In consideration of it, overcoming defect present in the prior art is the art urgent problem to be solved.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of rolling clamp and polarization-maintaining
The debugging apparatus of optical fiber, its object is in rotation debugging process, polarization maintaining optical fibre, which is able to maintain, to be rotated coaxially, and will not arbitrarily be put
It is dynamic, the light that lamp source is emitted can consistency be preferably irradiated on polarization maintaining optical fibre, ensure that collected end face figure like comparison
Spend it is constant, realize precisely identification polarization maintaining optical fibre polarization axle effect, to improve debugging efficiency and adjustment accuracy, thus
It is low, debugging process polarization maintaining optical fibre end face figure like with polarization axle accuracy of identification to solve existing polarization maintaining optical fibre array fabrication process
Contrast changes defect greatly, causes polarization maintaining optical fibre array there are the consistency poor, low efficiency of production and polarization axle debugging smart
Spend not high technical problem.
To achieve the above object, according to the first aspect of the utility model, a kind of rolling clamp, the rotation are provided
Fixture 10 includes pressing fine platform 101, rotating mechanism 102 and solid fine platform 106；
The fine platform 101 of the pressure is connect with the rotating mechanism 102, is provided with the first optical fiber on the fine platform 101 of the pressure
Slot 1011, described consolidate on fine platform 106 are provided with the second optical fiber duct 1061, first optical fiber duct 1011 and second light
Fine slot 1061 is used to accommodating polarization maintaining optical fibre 2；
The rotating mechanism 102 for driving the fine rotation of platform 101 of the pressure, with drive the polarization maintaining optical fibre 2 relative to
The solid fine platform 106 rotates；
The solid fine platform 106 is for adsorbing the polarization maintaining optical fibre 2, so that the holding of the polarization maintaining optical fibre 2 rotates coaxially.
Preferably, at least one adsorption hole 1062 is provided on second optical fiber duct 1061.
Preferably, the rolling clamp 10 further includes warp pressing block 103, and the warp pressing block 103 is arranged in first optical fiber
On slot 1011, with the fixation polarization maintaining optical fibre 2.
Preferably, first optical fiber duct 1011 is any one of V-groove, arc groove, dovetail groove or square groove；
Second optical fiber duct 1061 is any one of V-groove, arc groove, dovetail groove or square groove.
Preferably, the rolling clamp 10 further includes clamp bottom board 104 and Attraction block 105, the Attraction block 105 and
The rotating mechanism 102 is arranged on the clamp bottom board 104；
The Attraction block 105 is for adsorbing the polarization maintaining optical fibre 2, so that 2 coaxial rotating of the polarization maintaining optical fibre.
Preferably, flexible glue film is provided in first optical fiber duct 1011.
According to the second aspect of the utility model, a kind of debugging apparatus of polarization maintaining optical fibre, the polarization maintaining optical fibre are provided
Debugging apparatus include: rolling clamp 10, image collecting device 11 and processing unit 12；
The rolling clamp 10 includes pressing fine platform 101, rotating mechanism 102 and solid fine platform 106；The fine platform of the pressure
101 connect with the rotating mechanism 102, and the first optical fiber duct 1011, the solid fine platform are provided on the fine platform 101 of the pressure
The second optical fiber duct 1061 is provided on 106, first optical fiber duct 1011 and second optical fiber duct 1061 are used to accommodate
Polarization maintaining optical fibre 2；
Described image acquisition device 11 is used to acquire the end face figure like of the polarization maintaining optical fibre 2；
The processing unit 12 is used to receive the end face figure like of the polarization maintaining optical fibre 2, and the end according to the polarization maintaining optical fibre 2
Face image determines rotation angle, is rotated with controlling the rotating mechanism 102；
The rotating mechanism 102 for driving the fine rotation of platform 101 of the pressure, with drive the polarization maintaining optical fibre 2 relative to
The solid fine platform 106 rotates；
The solid fine platform 106 is for adsorbing the polarization maintaining optical fibre 2, so that the holding of the polarization maintaining optical fibre 2 rotates coaxially.
Preferably, the rolling clamp 10 further includes warp pressing block 103, and the warp pressing block 103 is arranged in first optical fiber
On slot 1011, with the fixation polarization maintaining optical fibre 2.
Preferably, the rotating mechanism 102 includes rotation gear 1021 and stepper motor 1022, the stepper motor
1022 connect with the processing unit 12；The fine platform 101 of the pressure is connect with the rotation gear 1021；
The stepper motor 1022 is used to drive the rotation gear 1021 to rotate according to the rotation angle, to drive
The rotation of the polarization maintaining optical fibre 2 pressed on fine platform 101 is set.
Preferably, the debugging apparatus of the polarization maintaining optical fibre further includes horizontal slide rail, and the rolling clamp 10 is arranged described
On horizontal slide rail；
The processing unit 12 is also used to control the horizontal slide rail and moves along trunnion axis, adjusts the polarization maintaining optical fibre 2
Fiber end face is at a distance from described image acquisition device 11, so that the end face figure like of the polarization maintaining optical fibre 2 meets preset comparison
Degree.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, has as follows
Beneficial effect: when being debugged using rolling clamp provided by the utility model, in rotation debugging process, polarization maintaining optical fibre can be protected
Hold and rotate coaxially, will not arbitrarily swing, the light that lamp source is emitted can consistency be preferably irradiated on polarization maintaining optical fibre, ensure that
Collected end face figure like contrast is constant, the effect of the precisely polarization axle of identification polarization maintaining optical fibre is realized, to improve debugging
Efficiency and adjustment accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of rolling clamp provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram provided by the embodiment of the utility model for pressing fine platform and warp pressing block；
Fig. 3 is a kind of structural schematic diagram of solid fine platform provided by the embodiment of the utility model；
Fig. 4 a is the structural schematic diagram of the first the first optical fiber duct provided by the embodiment of the utility model；
Fig. 4 b is the structural schematic diagram of second of first optical fiber ducts provided by the embodiment of the utility model；
Fig. 4 c is the structural schematic diagram of the third the first optical fiber duct provided by the embodiment of the utility model；
Fig. 4 d is the structural schematic diagram of the 4th kind of the first optical fiber duct provided by the embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of Attraction block provided by the embodiment of the utility model；
Fig. 6 is a kind of structural schematic diagram of the debugging apparatus of polarization maintaining optical fibre provided by the embodiment of the utility model；
Fig. 7 is polarization maintaining optical fibre opal identification image provided by the embodiment of the utility model；
Fig. 8 is the end face figure like signal for the polarization maintaining optical fibre that image acquisition device provided by the embodiment of the utility model arrives
Figure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Term "inner", "outside", " longitudinal direction ", " transverse direction ", "upper", "lower", "top", "bottom" in the description of the present invention,
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, and being merely for convenience of description, this is practical new
Type rather than require the utility model that must be constructed and operated in a specific orientation, therefore be not construed as to the utility model
Limitation.
As long as in addition, technical characteristic involved in the various embodiments of the present invention described below each other it
Between do not constitute conflict and can be combined with each other.
Embodiment 1:
Under practical application scene, when polarization maintaining optical fibre is coupled with waveguide, need according to the polarization axle of polarization maintaining optical fibre
Azimuth is coupled to improve the efficiency of fiber array and waveguide coupling package, success rate and reliability.Therefore, it is making
When making polarization maintaining optical fibre, need to accurately identify and debug the polarization axle of polarization maintaining optical fibre to predetermined angle, thus meet polarization maintaining optical fibre with
The decoupling calls of waveguide, wherein can be 0 degree, 45 degree, 90 degree and other angles depending on predetermined angle foundation actual conditions.
With polarization axle accuracy of identification, low, debugging process opal contrast changes existing polarization maintaining optical fibre array fabrication process
Big defect leads to polarization maintaining optical fibre array there are the consistency poor, low efficiency of production and polarization axle adjustment accuracy is not high asks
Topic.
To solve foregoing problems, the utility model provides a kind of rolling clamp, when being debugged using the rolling clamp,
Polarization maintaining optical fibre can keep rotating coaxially, and will not arbitrarily swing up and down, the light one that polarization maintaining optical fibre is received
Cause property is preferably refracted to the stressed zone and clad region of polarization maintaining optical fibre, degree of being contrasted obviously polarization maintaining optical fibre end view drawing
Picture realizes precisely identification polarization maintaining optical fibre moreover, ensure that the picture contrast arrived by the end face collection of polarization maintaining optical fibre is constant
Polarization axle purpose, to improve debugging efficiency and adjustment accuracy.
Below with reference to FIG. 1 to FIG. 5, one of implementation of rolling clamp of the present embodiment is illustrated.
In the present embodiment, rolling clamp 10 includes pressing fine platform 101 and rotating mechanism 102, press fibre platform 101 and
The rotating mechanism 102 connects.The rotating mechanism 102 includes rotation gear 1021 and stepper motor 1022, the stepping
Motor 1022 is connect with external process devices；The fine platform 101 of the pressure is connect with the rotation gear 1021.The stepper motor
1022, for driving the rotation gear 1021 to rotate according to rotation angle transmitted by processing unit, are arranged with driving in institute
It states and the polarization maintaining optical fibre 2 on fine platform 101 is pressed to rotate.
Wherein, press fine platform 101 that can be formed with the opaque material of metal, it can also be with the transparent materials shape such as optical glass
At.The first optical fiber duct 1011 is provided on the fine platform 101 of the pressure, first optical fiber duct 1011 is used to accommodate polarization maintaining optical fibre 2,
Be close to for the ease of polarization maintaining optical fibre 2 with the first optical fiber duct 1011, meanwhile, in order to avoid polarization maintaining optical fibre 2 coating not by the first light
Fine slot 1011 scratches, and is provided with flexible glue film in first optical fiber duct 1011.
The rolling clamp 10 further includes solid fine platform 106, is provided with the second optical fiber duct on the solid fine platform 106
1061, second optical fiber duct 1061 is for accommodating polarization maintaining optical fibre 2.Fine platform 101 is pressed in one of the embodiments, and is consolidated
Fine platform 106 is separately positioned on the two sides of rotating mechanism 102, and first optical fiber duct 1011 is for before accommodating polarization maintaining optical fibre 2
End, second optical fiber duct 1061 are used to accommodate the tail end of polarization maintaining optical fibre 2.Moreover, the polarization maintaining optical fibre 2 and first optical fiber
Slot 1011 is relatively fixed, and the polarization maintaining optical fibre 2 can relative rotation in second optical fiber duct 1061.In rotating mechanism 102
The fine platform 101 of the pressure rotates under drive, so that polarization maintaining optical fibre 2 be driven to rotate relative to solid fine platform 106.
In order to avoid polarization maintaining optical fibre 2 is in rotary course, the tail swing of polarization maintaining optical fibre 2, the setting of the second optical fiber duct 1061
There are adsorption hole 1062 and the first air vent channel 1063 to pass through described first after polarization maintaining optical fibre 2 is covered on the adsorption hole 1062
Air vent channel 1063 empties the air in first air vent channel 1063, to adsorb polarization-maintaining light by the way of vacuum suction
Fibre 2, avoids the tail swing of the polarization maintaining optical fibre 2 in rotary course, and polarization maintaining optical fibre 2 is able to maintain coaxial rotating, so that end
Face picture contrast is unaffected, realizes the accurate identification of polarization axle.In an alternate embodiment of the invention, the fine platform 101 of the pressure with
The solid fine platform 106 can keep being coaxially disposed, so that it is guaranteed that polarization maintaining optical fibre 2 not will receive interference in rotary course.Having
Under body application scenarios, the number of adsorption hole 1062 is not specifically limited, and is designed according to actual conditions.
In practical debugging process, light source 3 is located at the top of solid fine platform 106, light source 3 along polarization maintaining optical fibre 2 radial direction
Direction irradiation, since polarization maintaining optical fibre 2 is able to maintain coaxial rotating, the light consistency for enabling light source 3 to issue preferably is refracted to
The stressed zone and clad region of polarization maintaining optical fibre 2, the end face pattern contour of degree of being contrasted obviously polarization maintaining optical fibre 2 are subsequent
The polarization axle azimuth of polarization maintaining optical fibre 2, which is accurately debugged, provides necessary basis.
In the case where specifically answering scene, the concrete shape of first optical fiber duct 1011 is not specifically limited, such as Fig. 4 a, the first light
Fine slot 1011 is specifically as follows V-groove, and the manufacture craft of V-groove is simple, and can install well to polarization maintaining optical fibre 2
Positioning；Such as Fig. 4 b, the first optical fiber duct 1011 is specifically as follows square groove, and the inner wall and polarization maintaining optical fibre 2 of square groove are tangent, can be very
Installation positioning is carried out to polarization maintaining optical fibre 2 well, but it is more demanding for the technique of production；Such as Fig. 4 c, the first optical fiber duct 1011
It is specifically as follows dovetail groove, two waists of dovetail groove and upper bottom are tangent with polarization maintaining optical fibre 2, equally can be well to polarization-maintaining light
Fibre 2 carries out installation positioning；Such as Fig. 4 d, the first optical fiber duct 1011 is specifically as follows arc groove.First optical fiber duct 1011 can also be
Other polygon grooves are not specifically limited herein depending on the concrete shape of the first optical fiber duct 1011 is by actual conditions.
In the present embodiment, the second optical fiber duct 1061 equally can be V-groove, square groove, dovetail groove or arc groove, the
Depending on the concrete shape of two optical fiber ducts 1061 is by actual conditions, it is not specifically limited herein.
Further, the rolling clamp 10 further includes warp pressing block 103, and the warp pressing block 103 is arranged in first light
On fine slot 1011, with the fixation polarization maintaining optical fibre 2.In the present embodiment, the rolling clamp 10 further include clamp bottom board 104 with
And Attraction block 105, the Attraction block 105 and the rotating mechanism 102 are arranged on the clamp bottom board 104.The suction
It is used to for attached piece 105 adsorb the polarization maintaining optical fibre 2, so that 2 coaxial rotating of the polarization maintaining optical fibre.Attraction block 105 includes the second stomata
Channel 1051 and sucker 1052 after polarization maintaining optical fibre 2 is covered on the sucker 1052, pass through 1051 row of the second air vent channel
Air in empty second air vent channel 1051, to adsorb polarization maintaining optical fibre 2 by the way of vacuum suction.Using such side
Formula, it is possible to prevente effectively from polarization maintaining optical fibre 2 is in debugging rotary course, generation is moved radially, and guarantees polarization maintaining optical fibre 2 and rotating mechanism
102 have good concentricity, while reducing by 2 clamping difficulty of polarization maintaining optical fibre, promote the consistency of 2 clamping of polarization maintaining optical fibre.
Embodiment 2:
Below with reference to FIG. 1 to FIG. 6, one of implementation of debugging apparatus of polarization maintaining optical fibre of the present embodiment is illustrated.
The rolling clamp of above-described embodiment 1 is suitable for the debugging apparatus of the polarization maintaining optical fibre of the present embodiment.
As shown in Fig. 1 and Fig. 7, the debugging apparatus of the polarization maintaining optical fibre of the present embodiment includes: the rotating clamp of above-described embodiment 1
Tool 10, image collecting device 11 and processing unit 12.Under practical application scene, described image acquisition device 11 is based on view
The device of imaging system is felt, to acquire the end face figure like of polarization maintaining optical fibre 2；The processing unit 12 can be computer, to acquisition
To image be analyzed and processed, and according to actual conditions adjustment rotating mechanism 102 rotation angle, make the inclined of polarization maintaining optical fibre 2
The azimuth of vibration axis meets actual demand, to complete the positioning test of the polarization axle of polarization maintaining optical fibre 2.Wherein, polarization maintaining optical fibre 2 is inclined
Shake axis be polarization maintaining optical fibre 2 slow axis or fast axle, for example, polarization maintaining optical fibre 2 be panda type polarization-preserving fiber when, polarization maintaining optical fibre 2 it is inclined
Shake the slow axis that axis is polarization maintaining optical fibre 2, the as line in the end face figure like of polarization maintaining optical fibre 2 between two opal centers.Polarization-maintaining light
The azimuth of the polarization axle of fibre 2 is the angle between the polarization axle and horizontal line of polarization maintaining optical fibre 2.
In the present embodiment, described image acquisition device 11 is used to acquire the end face figure like of the polarization maintaining optical fibre 2；The place
Reason device 12 is used to receive the end face figure like of the polarization maintaining optical fibre 2, and determines and rotate according to the end face figure like of the polarization maintaining optical fibre 2
Angle is rotated with controlling the rotating mechanism 102；The rotating mechanism 102 is used to drive the guarantor according to the rotation angle
Polarisation fibre 2, so that the polarization axle azimuth of the polarization maintaining optical fibre 2 meets predetermined angle, wherein the polarization maintaining optical fibre in rotary course
2 can keep rotating coaxially, and will not arbitrarily swing up and down, the light consistency that polarization maintaining optical fibre 2 is received compared with
The good stressed zone and clad region for being refracted to polarization maintaining optical fibre 2, degree of being contrasted obviously 2 end face figure like of polarization maintaining optical fibre, and
And ensure that the picture contrast arrived by the end face collection of polarization maintaining optical fibre 2 is constant, it realizes and precisely identifies polarization maintaining optical fibre 2
The purpose of polarization axle, to improve debugging efficiency and adjustment accuracy.
The rolling clamp 10 includes pressing fine platform 101 and rotating mechanism 102, presses fine platform 101 and the rotation
Mechanism 102 connects.The rotating mechanism 102 includes rotation gear 1021 and stepper motor 1022, the stepper motor 1022
It is connect with the processing unit 12；The fine platform 101 of the pressure is connect with the rotation gear 1021.The stepper motor 1022 is used
According to the rotation angle, the rotation gear 1021 is driven to rotate, the institute pressed on fine platform 101 is set to drive
State the rotation of polarization maintaining optical fibre 2.
Wherein, press fine platform 101 that can be formed with the opaque material of metal, it can also be with the transparent materials shape such as optical glass
At.The first optical fiber duct 1011 is provided on the fine platform 101 of the pressure, first optical fiber duct 1011 is used to accommodate polarization maintaining optical fibre 2,
Be close to for the ease of polarization maintaining optical fibre 2 with the first optical fiber duct 1011, meanwhile, in order to avoid polarization maintaining optical fibre 2 coating not by the first light
Fine slot 1011 scratches, and is provided with flexible glue film in first optical fiber duct 1011.
The rolling clamp 10 further includes solid fine platform 106, is provided with the second optical fiber duct on the solid fine platform 106
1061, second optical fiber duct 1061 is for accommodating polarization maintaining optical fibre 2.Fine platform 101 is pressed in one of the embodiments, and is consolidated
Fine platform 106 is separately positioned on the two sides of rotating mechanism 102, and first optical fiber duct 1011 is for before accommodating polarization maintaining optical fibre 2
End, second optical fiber duct 1061 are used to accommodate the tail end of polarization maintaining optical fibre 2.Moreover, the polarization maintaining optical fibre 2 and first optical fiber
Slot 1011 is relatively fixed, and the polarization maintaining optical fibre 2 can relative rotation in second optical fiber duct 1061.In rotating mechanism 102
The fine platform 101 of the pressure rotates under drive, so that polarization maintaining optical fibre 2 be driven to rotate relative to solid fine platform 106.
In order to avoid polarization maintaining optical fibre 2 is in rotary course, the tail swing of polarization maintaining optical fibre 2, the setting of the second optical fiber duct 1061
There are adsorption hole 1062 and the first air vent channel 1063 to pass through described first after polarization maintaining optical fibre 2 is covered on the adsorption hole 1062
Air vent channel 1063 empties the air in first air vent channel 1063, to adsorb polarization-maintaining light by the way of vacuum suction
Fibre 2, avoids in rotary course, the tail swing of polarization maintaining optical fibre 2, so that polarization maintaining optical fibre 2 is able to maintain coaxial rotating, to make
It is unaffected to obtain end face figure like contrast, realizes the accurate identification of polarization axle.In an alternate embodiment of the invention, the fine platform of the pressure
101 can keep being coaxially disposed with the solid fine platform 106, so that it is guaranteed that polarization maintaining optical fibre 2 not will receive dry in rotary course
It relates to.
In practical debugging process, light source 3 is located at the top of solid fine platform 106, light source 3 along polarization maintaining optical fibre 2 radial direction
Direction irradiation, since polarization maintaining optical fibre 2 is able to maintain coaxial rotating, the light consistency for enabling light source 3 to issue preferably is refracted to
The stressed zone and clad region of polarization maintaining optical fibre 2, the end face pattern contour of degree of being contrasted obviously polarization maintaining optical fibre 2 are subsequent
The polarization axle azimuth of polarization maintaining optical fibre 2, which is accurately debugged, provides necessary basis.
Further, the rolling clamp 10 further includes warp pressing block 103, and the warp pressing block 103 is arranged in first light
On fine slot 1011, with the fixation polarization maintaining optical fibre 2.
In the present embodiment, the rolling clamp 10 further includes clamp bottom board 104 and Attraction block 105, the Attraction block
105 and the rotating mechanism 102 be arranged on the clamp bottom board 104.The Attraction block 105 is for adsorbing the polarization-maintaining
Optical fiber 2, so that 2 coaxial rotating of the polarization maintaining optical fibre.Attraction block 105 includes the second air vent channel 1051 and sucker 1052, is protected
After polarisation fibre 2 is covered on the sucker 1052, second air vent channel 1051 is emptied by second air vent channel 1051
In air, to adsorb optical fiber by the way of vacuum suction.Using such mode, it is possible to prevente effectively from polarization maintaining optical fibre 2 exists
It debugs in rotary course, generation moves radially, and guarantees that polarization maintaining optical fibre 2 and rotating mechanism 102 have good concentricity, drops simultaneously
Low 2 clamping difficulty of polarization maintaining optical fibre promotes the consistency of 2 clamping of polarization maintaining optical fibre.
In addition, the debugging apparatus of the polarization maintaining optical fibre further includes horizontal slide rail (not shown), the rolling clamp 10
It is arranged on the horizontal slide rail；The processing unit 12 is also used to control the horizontal slide rail and moves along trunnion axis, adjusts institute
The fiber end face of polarization maintaining optical fibre 2 is stated at a distance from described image acquisition device 11, so that the end face figure like wheel of the polarization maintaining optical fibre 2
It cleans up clear, meets preset contrast.
Under practical application scene, the brightness of light source 3 equally to the contrast of end face figure like there are certain influence, because
This, can also adjust the brightness of light source 3 according to the actual situation.
In the present embodiment, since the corresponding doping in polarization-maintaining fibre stressed zone and clad region is different, stressed zone and clad region tool
There is different refractive index, when on a branch of radiation of visible light to polarization maintaining optical fibre 2, is refracted to the light intensity of stressed zone and clad region not
Together, therefore in fiber end face it observes that stressed zone is different with the gray value of clad region, the apparent polarization-maintaining light of contrast can be showed
Fine 2 stressed zone profiles.2 end face figure like of polarization maintaining optical fibre is acquired using image collecting device 11, and handles the end view drawing of polarization maintaining optical fibre 2
Picture, thus the azimuth of the polarization axle of automatic identification polarization maintaining optical fibre 2, and the azimuth of the polarization axle according to polarization maintaining optical fibre 2 and
Actual demand determines the rotation angle of rotating mechanism 102, thus rotated by the control rotation gear 1021 of stepper motor 1022,
The polarization axle of automatic debugging polarization maintaining optical fibre 2 is to predetermined angle.
The debugging apparatus of the utility model embodiment is relatively specific for the polarization maintaining optical fibre of panda type.Here, with polarization maintaining optical fibre 2
For panda type polarization-preserving fiber, the debugging apparatus of the polarization maintaining optical fibre using the present embodiment is illustrated, to the inclined of polarization maintaining optical fibre 2
The process that the azimuth of vibration axis is debugged.
Firstly, the polarization maintaining optical fibre 2 debugged will be needed to carry out being placed on rotation after coat the processes such as strips, cuts, cleans
On fixture 10.When 2 clamping of polarization maintaining optical fibre, the front end of polarization maintaining optical fibre 2 is first touched into Attraction block 105, it will be at the beginning of 2 front end of polarization maintaining optical fibre
Step is fixed, and then places polarization maintaining optical fibre 2 in first optical fiber duct 1011 and the second optical fiber duct 1061.It in the process, can be with
One hand rest optical fiber, gently former and later two warp pressing blocks 103 are successively covered on the fine platform 101 of pressure on the other hand, complete polarization maintaining optical fibre 2
Clamping and fixation.
Then, after polarization maintaining optical fibre 2 is fixed on the fine platform 101 of pressure, the level where processing unit 12 to rolling clamp 10 is sliding
Rail sends instruction, moves left and right horizontal slide rail, 2 end face of polarization maintaining optical fibre is debugged automatically in the object distance position of image collecting device 11
It sets, to guarantee that the contrast of end face figure like of polarization maintaining optical fibre 2 meets predetermined angle.After horizontal slide rail has adjusted position, adjust
The brightness of lamp source 3, since the brightness of lamp source 3 affects the contrast of the end face imaging of polarization maintaining optical fibre 2, can be according to figure
As the brightness of the collected fiber end face image result of acquisition device 11 adjusting lamp source 3, until image collecting device 11 can be adopted
Collect contrast clearly 2 opal image (as shown in Figure 7) of polarization maintaining optical fibre.
After adjusting the contrast of end face figure like of polarization maintaining optical fibre 2, polarization shaft angle is carried out according to the end face figure like of acquisition
Degree identification, wherein as shown in figure 8, opal tilt angle be two opals the line of centres (the as slow axis of polarization maintaining optical fibre 2) with
Horizontal angle α, as the polarization axle of polarization maintaining optical fibre 2 is relative to horizontal orientation angle.Processing unit 12 is according to recognizing
Polarization axle azimuth and target angle determine rotation angle, wherein depending on target angle foundation actual conditions, generally 0 degree,
45 degree or 90 degree.Processing unit 12 sends rotation instruction after determining rotation angle, to rotating mechanism 102, rotating mechanism 102
Stepper motor 1022 drives polarization maintaining optical fibre 2 to rotate according to rotation instruction rotation, and by rotation gear 1021, so that polarization maintaining optical fibre
2 polarization axle is rotated to required angle, thus realize to the azimuthal high-precision of the polarization axle of polarization maintaining optical fibre 2 identify with
And fast debugging.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of rolling clamp, which is characterized in that the rolling clamp (10) includes pressing fine platform (101), rotating mechanism (102)
And solid fine platform (106)；
The fine platform (101) of the pressure connect with the rotating mechanism (102), is provided with the first light on the fine platform (101) of the pressure
Fine slot (1011) is provided with the second optical fiber duct (1061) on the solid fine platform (106), first optical fiber duct (1011) and
Second optical fiber duct (1061) is used to accommodating polarization maintaining optical fibre (2)；
The rotating mechanism (102) is for driving the fine platform (101) of the pressure to rotate, to drive the polarization maintaining optical fibre (2) opposite
It is rotated in the solid fine platform (106)；
The solid fine platform (106) is for adsorbing the polarization maintaining optical fibre (2), so that the polarization maintaining optical fibre (2) holding rotates coaxially.
2. rolling clamp according to claim 1, which is characterized in that be provided at least on second optical fiber duct (1061)
One adsorption hole (1062).
3. rolling clamp according to claim 1, which is characterized in that the rolling clamp (10) further includes warp pressing block
(103), the warp pressing block (103) is arranged on first optical fiber duct (1011), with the fixation polarization maintaining optical fibre (2).
4. described in any item rolling clamps according to claim 1~3, which is characterized in that first optical fiber duct (1011) is V
Any one of type groove, arc groove, dovetail groove or square groove；
Second optical fiber duct (1061) is any one of V-groove, arc groove, dovetail groove or square groove.
5. described in any item rolling clamps according to claim 1~3, which is characterized in that the rolling clamp (10) further includes
Clamp bottom board (104) and Attraction block (105), the Attraction block (105) and the rotating mechanism (102) are arranged at described
On clamp bottom board (104)；
The Attraction block (105) is for adsorbing the polarization maintaining optical fibre (2), so that the polarization maintaining optical fibre (2) coaxial rotating.
6. described in any item rolling clamps according to claim 1~3, which is characterized in that in first optical fiber duct (1011)
It is provided with flexible glue film.
7. a kind of debugging apparatus of polarization maintaining optical fibre, which is characterized in that the debugging apparatus of the polarization maintaining optical fibre includes: rolling clamp
(10), image collecting device (11) and processing unit (12)；
The rolling clamp (10) includes pressing fine platform (101), rotating mechanism (102) and solid fine platform (106)；The pressure is fine
Platform (101) is connect with the rotating mechanism (102), is provided with the first optical fiber duct (1011), institute on the fine platform (101) of the pressure
It states and is provided with the second optical fiber duct (1061) on solid fine platform (106), first optical fiber duct (1011) and second optical fiber
Slot (1061) is used to accommodating polarization maintaining optical fibre (2)；
Described image acquisition device (11) is used to acquire the end face figure like of the polarization maintaining optical fibre (2)；
The processing unit (12) is used to receive the end face figure like of the polarization maintaining optical fibre (2), and according to the polarization maintaining optical fibre (2)
End face figure like determines rotation angle, to control the rotating mechanism (102) rotation；
The rotating mechanism (102) is for driving the fine platform (101) of the pressure to rotate, to drive the polarization maintaining optical fibre (2) opposite
It is rotated in the solid fine platform (106)；
The solid fine platform (106) is for adsorbing the polarization maintaining optical fibre (2), so that the polarization maintaining optical fibre (2) holding rotates coaxially.
8. the debugging apparatus of polarization maintaining optical fibre according to claim 7, which is characterized in that the rolling clamp (10) further includes
Warp pressing block (103), the warp pressing block (103) is arranged on first optical fiber duct (1011), with the fixation polarization maintaining optical fibre
(2)。
9. the debugging apparatus of polarization maintaining optical fibre according to claim 7 or 8, which is characterized in that rotating mechanism (102) packet
It includes rotation gear (1021) and stepper motor (1022), the stepper motor (1022) connect with the processing unit (12)；
The fine platform (101) of the pressure connect with the rotation gear (1021)；
The stepper motor (1022) is used to rotation gear (1021) rotation is driven, to drive according to the rotation angle
It is arranged in the polarization maintaining optical fibre (2) rotation pressed on fine platform (101).
10. the debugging apparatus of polarization maintaining optical fibre according to claim 7 or 8, which is characterized in that the debugging of the polarization maintaining optical fibre
Device further includes horizontal slide rail, and the rolling clamp (10) is arranged on the horizontal slide rail；
The processing unit (12) is also used to control the horizontal slide rail and moves along trunnion axis, adjusts the polarization maintaining optical fibre (2)
Fiber end face at a distance from described image acquisition device (11) so that the end face figure like of the polarization maintaining optical fibre (2) meet it is preset
Contrast.
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