CN104199148B - Optical fiber automatic alignment algorithm of optical fiber alignment mechanism of optical fiber fusion splicer - Google Patents
Optical fiber automatic alignment algorithm of optical fiber alignment mechanism of optical fiber fusion splicer Download PDFInfo
- Publication number
- CN104199148B CN104199148B CN201410495949.3A CN201410495949A CN104199148B CN 104199148 B CN104199148 B CN 104199148B CN 201410495949 A CN201410495949 A CN 201410495949A CN 104199148 B CN104199148 B CN 104199148B
- Authority
- CN
- China
- Prior art keywords
- axis
- optic fibre
- welding optic
- controller
- welding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses an optical fiber alignment mechanism and an optical fiber automatic alignment algorithm of an optical fiber fusion splicer. The optical fiber alignment mechanism comprises a five-dimensional adjusting table, a laser source, a coupler, a first optical powder detector, a second optical powder detector and a controller, wherein the five-dimensional adjusting table can provide translation in an X direction, a Y direction and a Z direction, and rotation around an X axis and a Y axis to solve the problem of axial inclination during optical fiber alignment. The optical fiber automatic alignment algorithm comprises 1) axial adjustment, and 2) transversal adjustment and inclination angle adjustment, and is used for solving the connection loss problem caused by optical fiber inclination, transversal transplacement and axial clearance, so as to improve optical fiber alignment accuracy.
Description
Technical field
The present invention relates to optical fiber splicer field, more particularly to a kind of optical fiber splicer fiber alignment mechanism and optical fiber from
Dynamic alignment algorithm.
Background technology
Optical fiber splicer plays indispensable effect in optical communication industry.At present, the main type of in the market is the 3rd,
The fibre core direct-view type in four generations, during fused fiber splice, fiber core alignment is one most basic, is also most important operation,
The precision of the alignment before two fused fiber splices directly affects the welding effect of optical fiber.Due to the aberration and the pixel of CCD of camera
Limitation, optical fiber align precision cannot be improved.Being adopted the fibre core regulation aligning guide that optical fiber splicer in the market is used more
With spring lever formula three-dimensional adjusting mechanism, greatly, alignment precision is not high, and can not solve light for the mainly mechanical friction of this mechanism
The inclined problem in axial direction in fine alignment procedures.The fiber optic splicing loss for actually being caused by the inclination angle of optical fiber can not be ignored.
The content of the invention
To overcome deficiency of the prior art, caused it is an object of the invention to provide a kind of inclination that can solve the problem that optical fiber
Junction loss problem, improve optical fiber align precision optical fiber splicer fiber alignment mechanism and fiber-optic alignment automation algorithm.
To achieve the above object, the present invention uses following technical scheme：
A kind of fiber alignment mechanism of optical fiber splicer, it is characterised in that：It includes five dimension regulating platforms, lasing light emitter, coupling
Device, the first optical power detector, the second optical power detector and controller；
The five dimensions regulating platform includes X-axis rotating mechanism, and the output end of X-axis rotating mechanism is fixed with the first pedestal, first
Pedestal is driven by X-axis electric rotating machine and is rotated around X-axis；
First pedestal is provided with Z axis guide rail, and the second pedestal is slidably connected in Z axis guide rail, and the second pedestal is slided by Z axis
Dynamic motor drives edge Z axis guide rail movement；
Second pedestal is provided with Y-axis guide rail, and the 3rd pedestal is slidably connected in Y-axis guide rail, and the 3rd pedestal is slided by Y-axis
Dynamic motor drives edge Y-axis guide rail movement；
3rd pedestal is provided with X-axis guide rail, and Y-axis rotating mechanism, Y-axis rotating mechanism are slidably connected in X-axis guide rail
Moved by X-axis sliding motor drives edge X-axis guide rail；
The output end of the Y-axis rotating mechanism is fixed with workbench, and the workbench is driven around Y-axis by Y-axis electric rotating machine
Rotation；
The lasing light emitter is located at side of the workbench along Z axis guide rail direction, and the coupler is located at the injection of lasing light emitter light
In light path；
The output end of the coupler is provided with reference path delivery outlet and coupling optical path delivery outlet, and first luminous power is visited
The reference path delivery outlet that device is connected to coupler is surveyed, the first optical power detector sequentially passes through the first amplifying circuit and an A/
D converters are connected to controller；
The coupling optical path delivery outlet of the coupler is fixed with first and treats welding optic fibre by fixture, leads on the workbench
Cross fixture and be fixed with second and treat welding optic fibre, second treats that welding optic fibre is set along Z-direction；Described second treats that welding optic fibre is connected
To the second optical power detector, second optical power detector is sequentially connected by the second amplifying circuit and the second A/D converter
It is connected to controller；
The X-axis sliding motor, Y-axis sliding motor, Z axis sliding motor, X-axis electric rotating machine, Y-axis electric rotating machine connect respectively
Controller is connected to, is controlled to move by controller, and then control the motion of workbench, the workbench is controlled in diverse location
Device can distinguish the positional information of writing task platform, and then record the second positional information for treating welding optic fibre.
Further, the coupler is that splitting ratio is 1：1 Y type couplers.
Further, the wavelength that the lasing light emitter sends laser is 1310nm.
A kind of fiber-optic alignment automation algorithm of the fiber alignment mechanism of optical fiber splicer, the fiber-optic alignment automation algorithm leads to
Cross measure optical power ratio and first treat that welding optic fibre and second treats welding optic fibre adjusting alignment；
Optical power ratio σ=the PGo out/ PEnter,
The PEnterIt is to treat that welding optic fibre projects the luminous power of laser, P from firstGo outIt is the first laser for treating welding optic fibre injection
Into the second luminous power for treating welding optic fibre, wherein PGo outMeasured by the second optical power detector；
The luminous power ratio that the reference path delivery outlet of the coupler projects laser with coupling optical path delivery outlet is 1：1,
The luminous power that the coupling optical path delivery outlet projects laser is equal to from first and treats that welding optic fibre projects the luminous power of laser, then from
First treats that welding optic fibre projects the luminous power of the luminous power equal to reference path delivery outlet injection laser of laser, and the two ratio is 1：
1, wherein, the luminous power that reference path delivery outlet projects laser is measured by the first optical power detector；
Data that first optical power detector and the second optical power detector are measured respectively are amplified, after A/D conversions
In input to controller, controller carries out further operational analysis and can obtain optical power ratio；
When initial, described first treats that welding optic fibre treats that the relative end face distance of welding optic fibre is more than 2000 μm with second；
The fiber-optic alignment automation algorithm is comprised the following steps：
1）It is adjusted axially：
A, controller control Z axis sliding motor drive second to treat that welding optic fibre is translated along Z axis, and treat welding to be close to first
Optical fiber direction advances 1930-1950 μm, and controller obtains second and treats optical power ratio σ of the welding optic fibre on this position10And Z axis
Coordinate Z10, and will（σ10, Z10）Storage；
B, controller control control Z axis sliding motor continue to drive second to treat that welding optic fibre is translated along Z axis, to be close to first
Treat that welding optic fibre direction advances, in units of 2-4 μm, often advance once, obtain second and treat light of the welding optic fibre on this position
Power ratio σ1iWith Z axis coordinate Z1i, and will（σ1i, Z1i）Storage, wherein i=1,2,3 ...；
C, controller are to σ10、σ1iContrast monitoring is carried out, if σ1iOccur reducing, then second treat that welding optic fibre is fusion with first
Connect optical fiber to occur to top, now Z axis sliding motor driving second treats that welding optic fibre is translated along Z axis, welding light is treated with away from first
Fine direction movement, pulls back 3-6 μm；
2）Transverse direction and tilt adjustment：
A, the axle center for treating welding optic fibre with second are first sample point, are treated around welding optic fibre around setting extremely second
Few 8 remaining sample points, remaining sample point is distributed centered on the second axle center for treating welding optic fibre in regular polygon；Controller control
Y-axis sliding motor processed and/or X-axis sliding motor drive second to treat welding optic fibre in Y-X move in plane, and second treats welding optic fibre
Since first sample point, then it is arranged on second by sequentially arrival clockwise or counterclockwise and treats around welding optic fibre
Sample point；Described second when welding optic fibre is in each sample point, controller first obtain correspondence position it is initial when light work(
Rate compares σ2n0, inclination angle theta2n0And position coordinates（x2n, y2n）, and store, wherein n=0,1,2,3 ...；Then controller controls X-axis
Electric rotating machine and Y-axis electric rotating machine drive second to treat that welding optic fibre does tilt adjustment, and the tilt adjustment is comprised the following steps：
a1, controller control X-axis electric rotating machine drive second to treat welding optic fibre in Y-Z plane around X-axis rotate counterclockwise
N °, controller obtains second and treats optical power ratio σ of the welding optic fibre on this position2n1And inclination angle theta2n1, while will（σ2n1, θ2n1）
Storage；
a2, controller control Y-axis electric rotating machine drive second to treat welding optic fibre in Z-X planes around Y-axis rotate counterclockwise
N °, controller obtains second and treats optical power ratio σ of the welding optic fibre on this position2n2And inclination angle theta2n2, while will（σ2n2, θ2n2）Deposit
Storage；
a3, controller control Y-axis electric rotating machine drive second to treat that welding optic fibre turns clockwise in Z-X planes around Y-axis
N ° of return, then turn clockwise N °, controller obtains second and treats optical power ratio σ of the welding optic fibre on this position2n3And inclination angle
θ2n3, while will（σ2n3, θ2n3）Storage；
a4, controller control Y-axis electric rotating machine drive second to treat welding optic fibre in Z-X planes around Y-axis rotate counterclockwise
N ° of return；
a5, controller control X-axis electric rotating machine drive second to treat that welding optic fibre turns clockwise in Y-Z plane around X-axis
N ° returns to initial position；Wherein, N=0.05-0.15；
a6, controller compare power ratio σ2n0、σ2n1、σ2n2、σ2n3Size, maximum power ratio institute at sample point where obtaining
Corresponding inclination angle, and store；
The optical power ratio of b, controller to the second optical fiber when each sample point is initial is monitored contrast, obtains maximum
The position coordinates of sample point corresponding to initial optical power ratio, then controller control Y-axis sliding motor and/or X-axis slide electricity
Machine, by the position of the maximum sample point of the second optical power ratio when welding optic fibre is repositioned onto initial；Then, controller control
Y-axis electric rotating machine processed and/or X-axis electric rotating machine, by second treat welding optic fibre again rotational positioning to place sample point maximum light
The position at inclination angle corresponding to power ratio.
Further, the step 1）In, controller control Z axis sliding motor drives second to treat that welding optic fibre is flat along Z axis
Move, treat that welding optic fibre direction advances 1940 μm to be close to first.
Further, the step 2）In, N=0.1.
The present invention can measure second and treat welding fibre movement to different positions by two optical power detectors and controller
Optical power ratio when putting, is adjusted to quasi-fiber using the method for optical power detecting, not only convenient and swift, and alignment precision
It is high.In addition, five dimension regulating platforms of aligning guide of the present invention can provide X, Y, Z tri- direction translations, and the rotation of X, Y-axis, because
This, the junction loss problem that the gap of inclination, transversion malposition and the axial direction of optical fiber is caused is can solve the problem that using the five dimensions regulating platform,
Improve optical fiber align precision.
Brief description of the drawings
The present invention is described in further details below in conjunction with the drawings and specific embodiments：
Fig. 1 is the overall schematic of the fiber alignment mechanism of optical fiber splicer of the present invention；
Fig. 2 is the structural representation of five dimension regulating platforms in the present invention；
Fig. 3 is the schematic diagram of lateral adjustments of the present invention；
Fig. 4 is the schematic diagram that the second welding optic fibre of the invention does tilt adjustment around X-axis；
Fig. 5 is the schematic diagram that the second welding optic fibre of the invention does tilt adjustment around Y-axis.
Specific embodiment
As shown in one of Fig. 1-5, a kind of fiber alignment mechanism of optical fiber splicer of the invention, it include five dimension regulating platforms 3,
Lasing light emitter 4, coupler 5, the first optical power detector 6, the second optical power detector 7 and controller 8；
The five dimensions regulating platform 3 includes X-axis rotating mechanism 301, and the output end of X-axis rotating mechanism 301 is fixed with First
Seat 302, the first pedestal 302 is driven by X-axis electric rotating machine 303 and is rotated around X-axis；
First pedestal 302 is provided with Z axis guide rail 304, and the second pedestal 305 is slidably connected in Z axis guide rail 304, the
Two pedestals 305 are moved by the drives edge Z axis guide rail 304 of Z axis sliding motor 306；
Second pedestal 305 is provided with Y-axis guide rail 307, and the 3rd pedestal 308 is slidably connected in Y-axis guide rail 307, the
Three pedestals 308 are moved by the drives edge Y-axis guide rail 307 of Y-axis sliding motor 309；
3rd pedestal 308 is provided with X-axis guide rail 310, and Y-axis rotating mechanism is slidably connected in X-axis guide rail 310
311, Y-axis rotating mechanism 311 is moved by the drives edge X-axis guide rail 310 of X-axis sliding motor 312；
The output end of the Y-axis rotating mechanism 311 is fixed with workbench 313, and the workbench 313 is by Y-axis electric rotating machine
314 drivings rotate around Y-axis；
The lasing light emitter 4 is located at side of the workbench 313 along the direction of Z axis guide rail 304, and the coupler 5 is located at lasing light emitter 4
In the light path that light is projected；
The output end of the coupler 5 is provided with reference path delivery outlet and coupling optical path delivery outlet, first luminous power
Detector 6 is connected to the reference path delivery outlet of coupler 5, and the first optical power detector 6 sequentially passes through the He of the first amplifying circuit 9
First A/D converter 10 is connected to controller 8；
The coupling optical path delivery outlet of the coupler 5 is fixed with first and treats welding optic fibre 1, the workbench by fixture
Second being fixed with by fixture and treating welding optic fibre 2, second treats that welding optic fibre 2 is set along Z-direction on 313；Described second is fusion
Connect optical fiber 2 and be connected to the second optical power detector 7, second optical power detector 7 sequentially passes through the He of the second amplifying circuit 11
Second A/D converter 12 is connected to controller 8；
The X-axis sliding motor 312, Y-axis sliding motor 309, Z axis sliding motor 306, the rotation of X-axis electric rotating machine 303, Y-axis
Rotating motor 314 is respectively connecting to controller 8, is controlled to move by controller 8, and then control the motion of workbench 313, the work
In diverse location, controller 8 can distinguish the positional information of writing task platform 313 to platform 313, and then record second treats welding optic fibre
2 positional information.
The coupler 5 is that splitting ratio is 1：1 Y type couplers.
The wavelength that the lasing light emitter 4 sends laser is 1310nm.
A kind of fiber-optic alignment automation algorithm of the fiber alignment mechanism of optical fiber splicer, the fiber-optic alignment automation algorithm leads to
Cross measure optical power ratio and first treat that welding optic fibre 1 and second treats welding optic fibre 2 adjusting alignment；
Optical power ratio σ=the PGo out/ PEnter,
The PEnterIt is to treat that welding optic fibre 1 projects the luminous power of laser, P from firstGo outFor first treat welding optic fibre 1 project swash
Light is into the second luminous power for treating welding optic fibre 2, wherein PGo outMeasured by the second optical power detector 7；
The luminous power ratio that the reference path delivery outlet of the coupler 5 projects laser with coupling optical path delivery outlet is 1：1,
The luminous power of the coupling optical path delivery outlet injection laser is equal to from first treats that welding optic fibre 1 projects the luminous power of laser, then
Treat that welding optic fibre 1 projects the luminous power of the luminous power equal to reference path delivery outlet injection laser of laser, the two ratio from first
It is 1：1；Wherein, the luminous power of reference path delivery outlet injection laser is measured by the first optical power detector 6；
Data that the optical power detector 7 of first optical power detector 6 and second is measured respectively are amplified, A/D conversions
After be input into controller 8, controller 8 carries out further operational analysis and can obtain optical power ratio；
When initial, described first treats that welding optic fibre 1 treats that the relative end face distance of welding optic fibre 2 is more than 2000 μm with second；
The fiber-optic alignment automation algorithm is comprised the following steps：
1）It is adjusted axially：
A, the control Z axis of controller 8 sliding motor 306 drive second to treat that welding optic fibre 2 is translated along Z axis, and to be close to first
Treat that the direction of welding optic fibre 1 advances 1930-1950 μm, preferably 1940 μm, controller 8 obtains second and treats that welding optic fibre 2 exists
Optical power ratio σ on this position10With Z axis coordinate Z10, and will（σ10, Z10）Storage；
B, the control control Z axis of controller 8 sliding motor 306 continue to drive second to treat that welding optic fibre 2 is translated along Z axis, to lean on
Nearly first treats that the direction of welding optic fibre 1 advances, and in units of 2-4 μm, often advances once, obtains second and treats welding optic fibre 2 in this position
The optical power ratio σ for putting1iWith Z axis coordinate Z1i, and will（σ1i, Z1i）Storage, wherein i=1,2,3 ...；
C, controller 8 are to σ10、σ1iContrast monitoring is carried out, by under normal circumstances, optical fiber optical power ratio meeting in progradation
Constantly increase, if σ1iOccur reducing, then second treat that welding optic fibre 2 and first treats that welding optic fibre 1 occurs to top, now Z axis slip
Motor 306 drives second to treat that welding optic fibre 2 is translated along Z axis, treats that the direction of welding optic fibre 1 is moved with away from first, pulls back 3-6 μm；
Now the end face distance of two optical fiber is Optimum End interplanar distance, meeting expanded by heating during due to fused fiber splice, so between two optical fiber
Certain interval is reserved to be preferred；
2）Transverse direction and tilt adjustment：
A, the axle center for treating welding optic fibre 2 with second are first sample point, are treated around welding optic fibre 2 around setting second
At least 8 remaining sample points, are 8 remaining sample points in the present embodiment, and remaining sample point is with the second axle center for treating welding optic fibre 2
Centered in regular polygon be distributed, be in the present embodiment square；The control Y-axis of controller 8 sliding motor 309 and/or X-axis are slided
Dynamic motor 312 drives second to treat welding optic fibre 2 in Y-X move in plane, and second treats that welding optic fibre 2 is opened from first sample point
Begin, be then arranged on the second sample point for treating around welding optic fibre 2 by sequentially reaching clockwise or counterclockwise, specifically may be used
With as shown in figure 4, second treats that welding optic fibre 2 is moved by 00 → 01 → 02 → 03 → 04 → 05 → 06 → 07 → 08 successively；
Described second when welding optic fibre 2 is in each sample point, controller 8 first obtain correspondence position it is initial when optical power ratio
σ2n0, inclination angle theta2n0And position coordinates（x2n, y2n）, and store, wherein n=0,1,2,3 ... 8；Then the control of controller 8 X-axis rotation
Rotating motor 303 and Y-axis electric rotating machine 314 drive second to treat that welding optic fibre 2 does tilt adjustment, and optical fiber does tilt adjustment because folder
Be lined with particulate face and produce axial inclination in tool V grooves, optical fiber is usually upwards, to the left or to the right inclines, be typically not in
Under inclined situation, therefore tilt adjustment comprises the following steps：
a1, the control of controller 8 X-axis electric rotating machine 303 drive second to treat that welding optic fibre 2 is counterclockwise around X-axis in Y-Z plane
N ° of rotation, controller 8 obtains second and treats optical power ratio σ of the welding optic fibre 2 on this position2n1And inclination angle theta2n1, at the same time will
（σ2n1, θ2n1）Storage；Inclination angle theta2n1It is the inclination angle in Y-Z plane；
a2, the control of controller 8 Y-axis electric rotating machine 314 drive second to treat that welding optic fibre 2 is counterclockwise around Y-axis in Z-X planes
N ° of rotation, controller 8 obtains second and treats optical power ratio σ of the welding optic fibre 2 on this position2n2And inclination angle theta2n2, while will
（σ2n2, θ2n2）Storage；Inclination angle theta2n2It is the inclination angle in Z-X planes；
a3, the control of controller 8 Y-axis electric rotating machine 314 drive second to treat that welding optic fibre 2 is clockwise around Y-axis in Z-X planes
N ° of return of rotation, then turn clockwise N °, controller 8 obtains second and treats optical power ratio σ of the welding optic fibre 2 on this position2n3
And inclination angle theta2n3, while will（σ2n3, θ2n3）Storage；Inclination angle theta2n3It is the inclination angle in Z-X planes
a4, the control of controller 8 Y-axis electric rotating machine 314 drive second to treat that welding optic fibre 2 is counterclockwise around Y-axis in Z-X planes
N ° of return of rotation；
a5, the control of controller 8 X-axis electric rotating machine 303 drive second to treat that welding optic fibre 2 is clockwise around X-axis in Y-Z plane
N ° of rotation returns to initial position；Wherein, N=0.05-0.15, preferred N=0.1；
a6, controller 8 compare power ratio σ2n0、σ2n1、σ2n2、σ2n3Size, maximum power ratio at sample point where obtaining
Corresponding inclination angle, and store；
The optical power ratio of b, 8 pairs of the second optical fiber of controller when each sample point is initial is monitored contrast, obtains maximum
Initial optical power ratio corresponding to sample point position coordinates, the then control of controller 8 Y-axis sliding motor 309 and/or X-axis
Sliding motor 312, by the position of the maximum sample point of the second optical power ratio when welding optic fibre 2 is repositioned onto initial；So
Afterwards, the control Y-axis of controller 8 electric rotating machine 314 and/or X-axis electric rotating machine 303, the rotational positioning again of welding optic fibre 2 is treated by second
Position to place sample point maximum luminous power than corresponding inclination angle.
Claims (4)
1. a kind of fiber-optic alignment automation algorithm of the fiber alignment mechanism of optical fiber splicer, it is characterised in that：The optical fiber align
Mechanism includes five dimension regulating platforms, lasing light emitter, coupler, the first optical power detector, the second optical power detector and controller；
The five dimensions regulating platform includes X-axis rotating mechanism, and the output end of X-axis rotating mechanism is fixed with the first pedestal, the first pedestal
Driven by X-axis electric rotating machine and rotated around X-axis；
First pedestal is provided with Z axis guide rail, and the second pedestal is slidably connected in Z axis guide rail, and the second pedestal slides electricity by Z axis
Machine drives edge Z axis guide rail is moved；
Second pedestal is provided with Y-axis guide rail, and the 3rd pedestal is slidably connected in Y-axis guide rail, and the 3rd pedestal slides electricity by Y-axis
Machine drives edge Y-axis guide rail is moved；
3rd pedestal is provided with X-axis guide rail, and Y-axis rotating mechanism is slidably connected in X-axis guide rail, and Y-axis rotating mechanism is by X
Axle sliding motor drives edge X-axis guide rail is moved；
The output end of the Y-axis rotating mechanism is fixed with workbench, and the workbench is driven by Y-axis electric rotating machine and rotated around Y-axis；
The lasing light emitter is located at side of the workbench along Z axis guide rail direction, and the coupler is located at the light path of lasing light emitter light injection
On；
The output end of the coupler is provided with reference path delivery outlet and coupling optical path delivery outlet, first optical power detector
The reference path delivery outlet of coupler is connected to, the first optical power detector is sequentially turned by the first amplifying circuit and an A/D
Parallel operation is connected to controller；
The coupling optical path delivery outlet of the coupler is fixed with first and treats welding optic fibre by fixture, by folder on the workbench
Tool is fixed with second and treats welding optic fibre, and second treats that welding optic fibre is set along Z-direction；Described second treats that welding optic fibre is connected to
Two optical power detectors, second optical power detector is sequentially connected to by the second amplifying circuit and the second A/D converter
Controller；
The X-axis sliding motor, Y-axis sliding motor, Z axis sliding motor, X-axis electric rotating machine, Y-axis electric rotating machine are respectively connecting to
Controller, is controlled to move by controller, and then controls the motion of workbench, and, in diverse location, controller can for the workbench
The positional information of difference writing task platform, and then record the second positional information for treating welding optic fibre；
The fiber-optic alignment automation algorithm adjusts alignment first by determining optical power ratio and treats that welding optic fibre and second treats welding
Optical fiber；
Optical power ratio σ=the PGo out/ PEnter,
The PEnterIt is to treat that welding optic fibre projects the luminous power of laser, P from firstGo outIt is the first laser entrance for treating welding optic fibre injection
Second luminous power for treating welding optic fibre, wherein PGo outMeasured by the second optical power detector；
The luminous power ratio that the reference path delivery outlet of the coupler projects laser with coupling optical path delivery outlet is 1：1, it is described
The luminous power that coupling optical path delivery outlet projects laser is equal to from the first luminous power for treating welding optic fibre injection laser, then from first
Treat that welding optic fibre projects the luminous power of the luminous power equal to reference path delivery outlet injection laser of laser, the two ratio is 1：1；Its
In, the luminous power that reference path delivery outlet projects laser is measured by the first optical power detector；
Data that first optical power detector and the second optical power detector are measured respectively are amplified, be input into after A/D conversions
Into controller, controller carries out further operational analysis and can obtain optical power ratio；
When initial, described first treats that welding optic fibre treats that the relative end face distance of welding optic fibre is more than 2000 μm with second；
The fiber-optic alignment automation algorithm is comprised the following steps：
1）It is adjusted axially：
A, controller control Z axis sliding motor drive second to treat that welding optic fibre is translated along Z axis, and treat welding optic fibre to be close to first
Direction advances 1930-1950 μm, and controller obtains second and treats optical power ratio σ of the welding optic fibre on this position10With Z axis coordinate
Z10, and will（σ10, Z10）Storage；
B, controller control control Z axis sliding motor continue to drive second to treat that welding optic fibre is translated along Z axis, fusion to be close to first
The propulsion of optical fiber direction is connect, in units of 2-4 μm, is often advanced once, obtained second and treat luminous power of the welding optic fibre on this position
Compare σ1iWith Z axis coordinate Z1i, and will（σ1i, Z1i）Storage, wherein i=1,2,3 ...；
C, controller are to σ10、σ1iContrast monitoring is carried out, if σ1iOccur reducing, then second treat that welding optic fibre and first treats welding light
Fibre occurs to top, and now Z axis sliding motor driving second treats that welding optic fibre is translated along Z axis, welding optic fibre side is treated with away from first
To movement, pull back 3-6 μm；
2）Transverse direction and tilt adjustment：
A, the axle center for treating welding optic fibre with second are first sample point, are treated around welding optic fibre around setting at least 8 second
Individual remaining sample point, remaining sample point is distributed centered on the second axle center for treating welding optic fibre in regular polygon；Controller controls Y
Axle sliding motor and/or X-axis sliding motor drive second to treat welding optic fibre in Y-X move in plane, second treat welding optic fibre from
First sample point starts, and being then arranged on second by sequentially arrival clockwise or counterclockwise treats taking around welding optic fibre
Sampling point；Described second when welding optic fibre is in each sample point, controller first obtain correspondence position it is initial when luminous power
Compare σ2n0, inclination angle theta2n0And position coordinates（x2n, y2n）, and store, wherein n=0,1,2,3 ...；Then controller control X-axis rotation
Rotating motor and Y-axis electric rotating machine drive second to treat that welding optic fibre does tilt adjustment, and the tilt adjustment is comprised the following steps：
a1, controller control X-axis electric rotating machine drive second treat welding optic fibre in Y-Z plane around N ° of X-axis rotate counterclockwise,
Controller obtains second and treats optical power ratio σ of the welding optic fibre on this position2n1And inclination angle theta2n1, while will（σ2n1, θ2n1）Storage；
a2, controller control Y-axis electric rotating machine drive second treat welding optic fibre in Z-X planes around N ° of Y-axis rotate counterclockwise,
Controller obtains second and treats optical power ratio σ of the welding optic fibre on this position2n2And inclination angle theta2n2, while will（σ2n2, θ2n2）Storage；
a3, controller control Y-axis electric rotating machine drives second to treat that welding optic fibre turns clockwise N ° in Z-X planes around Y-axis and returns
Position, then turn clockwise N °, controller obtains second and treats optical power ratio σ of the welding optic fibre on this position2n3And inclination angle theta2n3, together
Shi Jiang（σ2n3, θ2n3）Storage；
a4, controller control Y-axis electric rotating machine drive second treat welding optic fibre in Z-X planes around Y-axis rotate counterclockwise N ° return
Position；
a5, controller control X-axis electric rotating machine drives second to treat that welding optic fibre turns clockwise N ° in Y-Z plane around X-axis and returns
To initial position；Wherein, N=0.05-0.15；
a6, controller compare power ratio σ2n0、σ2n1、σ2n2、σ2n3Size, where obtaining at sample point corresponding to maximum power ratio
Inclination angle, and store；
The optical power ratio of b, controller to the second optical fiber when each sample point is initial is monitored contrast, obtains the initial of maximum
Optical power ratio corresponding to sample point position coordinates, then controller control Y-axis sliding motor and/or X-axis sliding motor, will
The position of the maximum sample point of the second optical power ratio when welding optic fibre is repositioned onto initial；Then, controller control Y-axis
Electric rotating machine and/or X-axis electric rotating machine, by second treat welding optic fibre again rotational positioning to place sample point maximum luminous power ratio
The position at corresponding inclination angle.
2. the fiber-optic alignment automation algorithm of the fiber alignment mechanism of a kind of optical fiber splicer according to claim 1, it is special
Levy and be：The wavelength that the lasing light emitter sends laser is 1310nm.
3. the fiber-optic alignment automation algorithm of the fiber alignment mechanism of a kind of optical fiber splicer according to claim 1, it is special
Levy and be：The step 1）In, controller control Z axis sliding motor drives second to treat that welding optic fibre is translated along Z axis, to be close to the
One treats that welding optic fibre direction advances 1940 μm.
4. the fiber-optic alignment automation algorithm of the fiber alignment mechanism of a kind of optical fiber splicer according to claim 1, it is special
Levy and be：The step 2）In, N=0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495949.3A CN104199148B (en) | 2014-09-25 | 2014-09-25 | Optical fiber automatic alignment algorithm of optical fiber alignment mechanism of optical fiber fusion splicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495949.3A CN104199148B (en) | 2014-09-25 | 2014-09-25 | Optical fiber automatic alignment algorithm of optical fiber alignment mechanism of optical fiber fusion splicer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104199148A CN104199148A (en) | 2014-12-10 |
| CN104199148B true CN104199148B (en) | 2017-05-17 |
Family
ID=52084458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410495949.3A Active CN104199148B (en) | 2014-09-25 | 2014-09-25 | Optical fiber automatic alignment algorithm of optical fiber alignment mechanism of optical fiber fusion splicer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104199148B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807805A (en) * | 2015-05-04 | 2015-07-29 | 华北电力大学 | Detection device for gas dissolved in transformer oil based on Raman spectrum |
| CN105750928B (en) * | 2016-04-01 | 2017-11-21 | 哈尔滨工程大学 | A kind of mechanical structure realized optical fiber and rotated along axle center |
| CN105676361B (en) * | 2016-04-18 | 2018-11-06 | 南京吉隆光纤通信股份有限公司 | Optical fiber propulsive mechanism for fused fiber splice |
| CN106772840A (en) * | 2017-02-21 | 2017-05-31 | 东莞市耀野自动化有限公司 | A kind of method of Optical Device Coupling pre-determined bit |
| CN108169550A (en) * | 2017-12-08 | 2018-06-15 | 中国兵器装备研究院 | A kind of heat sealing machine duration and degree of heating power collecting and calibrating installation |
| CN108561791A (en) * | 2018-04-11 | 2018-09-21 | 河南百合特种光学研究院有限公司 | A kind of solar simulator is with can three-dimensional regulation xenon lamp device |
| CN110888202A (en) * | 2019-11-18 | 2020-03-17 | 桂林电子科技大学 | Optical fiber coupler and control method thereof |
| CN112719585B (en) * | 2020-12-16 | 2022-06-17 | 深圳市讯泉科技有限公司 | Fusion splicing control method, device, equipment and computer readable storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3471644D1 (en) * | 1983-10-24 | 1988-07-07 | Lyonnaise Transmiss Optiques | Automatic machine for fusion splicing the ends of optical fibres |
| SE508275C2 (en) * | 1995-07-11 | 1998-09-21 | Ericsson Telefon Ab L M | Device for rotating an optical fiber |
| CN2645095Y (en) * | 2003-06-12 | 2004-09-29 | 武汉克雷信网络通信设备有限公司 | Bare fiber pressing resistant optical fiber gripping apparatus |
| CN204101768U (en) * | 2014-09-25 | 2015-01-14 | 福建师范大学 | A kind of fiber alignment mechanism of optical fiber splicer |
-
2014
- 2014-09-25 CN CN201410495949.3A patent/CN104199148B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104199148A (en) | 2014-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104199148B (en) | Optical fiber automatic alignment algorithm of optical fiber alignment mechanism of optical fiber fusion splicer | |
| CN106994561B (en) | A kind of dynamic rotary marking control system and control method | |
| CN104007522B (en) | Full-automatic PLC shunt coupling package system and method | |
| CN106271044B (en) | Laser marking machine and CCD coaxial optical path localization method | |
| CN102901450B (en) | Measuring device and shaft body detection equipment | |
| CN204101768U (en) | A kind of fiber alignment mechanism of optical fiber splicer | |
| CN101856773A (en) | Focusing positioning method based on initial laser processing position and laser processing device | |
| CN109828334B (en) | Full-automatic fusion splicer | |
| CN104959730A (en) | Rotating table type femtosecond laser direct writing method and device | |
| CN105772947A (en) | Dual light source combined laser beam polishing device | |
| JP2019049549A (en) | Surface measurement device and method thereof | |
| CN107945159A (en) | A kind of automation control system of optical fiber geometric parameter and attenuation coefficient integration testing | |
| CN114895478A (en) | Meta-universe optical waveguide AR glasses AA equipment and AA method thereof | |
| CN108585469A (en) | The preparation method of optical fiber | |
| US6488567B1 (en) | System and method for automated fiber polishing | |
| CN104316997A (en) | Device and method for preparing thick-waist tapered optical fiber | |
| CN106324750B (en) | A kind of thin footpath polarization maintaining optical fibre and microchip dead axle coupled system and method | |
| CA1231253A (en) | Optical fiber characteristic measuring method and apparatus | |
| CN105759390A (en) | Automatic positioning and placing apparatus and method for fiber | |
| US6816317B2 (en) | Collimator for ready fitting to an optical device with precise optical alignment without need for adjusting positions or angles to compensate for offsets or deviations during optical device assembly and method of making same | |
| CN112764172B (en) | Multi-channel pre-alignment system and multi-channel pre-alignment method based on machine vision | |
| CN205416765U (en) | Laser marking auto focus device | |
| CN111190250B (en) | Method for automatically completing optical fiber core central axis tracing based on image recognition technology | |
| CN104990930B (en) | Optical element defect laser near-field modulation detection device and induced damage Forecasting Methodology | |
| CN103737173A (en) | 3D (three-dimensional) laser marking header |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |