CN110888202A - Optical fiber coupler and control method thereof - Google Patents
Optical fiber coupler and control method thereof Download PDFInfo
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- CN110888202A CN110888202A CN201911124965.0A CN201911124965A CN110888202A CN 110888202 A CN110888202 A CN 110888202A CN 201911124965 A CN201911124965 A CN 201911124965A CN 110888202 A CN110888202 A CN 110888202A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 154
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000003287 optical effect Effects 0.000 claims abstract description 133
- 238000010168 coupling process Methods 0.000 claims abstract description 87
- 230000008878 coupling Effects 0.000 claims abstract description 86
- 238000005859 coupling reaction Methods 0.000 claims abstract description 86
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000006073 displacement reaction Methods 0.000 claims description 75
- 239000000835 fiber Substances 0.000 claims description 66
- 238000013519 translation Methods 0.000 claims description 56
- 239000000725 suspension Substances 0.000 claims description 24
- 210000001503 joint Anatomy 0.000 claims description 12
- 230000000153 supplemental effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 54
- 238000004806 packaging method and process Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000033228 biological regulation Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241001292396 Cirrhitidae Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
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Abstract
The invention provides an optical fiber coupler and a control method thereof, wherein the optical fiber coupler comprises the following steps: the coordinate adjusting assembly is provided with a first clamping piece; the angle adjusting assembly is arranged opposite to the coordinate adjusting assembly, and a second clamping piece is arranged on the angle adjusting assembly; the image acquisition assembly is arranged on the coordinate adjusting assembly, and the image acquisition range of the image acquisition assembly at least covers the positions of the first clamping piece and the second clamping piece; the optical power detection component comprises an optical emitter and an optical power detector, one of the optical emitter and the optical power detector is arranged on the coordinate adjusting component, the other one of the optical emitter and the optical power detector is arranged on the angle adjusting component, and the controller. The invention can automatically adjust and determine the optical fiber coupling position, can improve the consistency of optical fiber coupling products in production, can determine the optical fiber coupling position through preliminary adjustment and precision adjustment, improves the yield, further can improve the production efficiency and reduce the production cost.
Description
Technical Field
The invention relates to the field of communication, in particular to an optical fiber coupler and a control method of the optical fiber coupler.
Background
In the current domestic optical fiber production, the coupling of the optical fiber and the optical fiber is mostly finished manually or semi-automatically, and in the production mode, the problems of poor repeatability, poor performance consistency, low yield, low production efficiency and high production cost exist in the product.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, a first aspect of the invention provides a fiber optic coupler.
The invention provides a control method of the optical fiber coupler.
In view of the above, according to a first aspect of the present invention, there is provided a fiber optic coupler, comprising: the coordinate adjusting assembly is provided with a first clamping piece; the angle adjusting assembly is arranged opposite to the coordinate adjusting assembly, and a second clamping piece is arranged on the angle adjusting assembly; the image acquisition assembly is arranged on the coordinate adjusting assembly, and the image acquisition range of the image acquisition assembly at least covers the positions of the first clamping piece and the second clamping piece; the optical power detection assembly comprises an optical emitter and an optical power detector, one of the optical emitter and the optical power detector is arranged on the coordinate adjusting assembly, and the other one of the optical emitter and the optical power detector is arranged on the angle adjusting assembly; the controller is connected to the image acquisition assembly, the optical power detection assembly, the coordinate adjusting assembly and the angle adjusting assembly, and the controller is used for adjusting the position of the first clamping piece based on the image information acquired by the image acquisition assembly and adjusting the angle between the second clamping piece and the first clamping piece based on the detection result of the optical power detector.
In the optical fiber coupler, optical fibers to be coupled are respectively clamped on a first clamping piece and a second clamping piece in the working process; the image acquisition assembly shoots and acquires image information of an optical fiber coupling position, and the controller adjusts the position of an optical fiber arranged on the first clamping piece through the coordinate adjusting assembly based on the image information to primarily adjust the position of the optical fiber so as to enable the optical fiber to be coupled to be in butt joint; the light generated by the light emitter enters the optical power detector after passing through the optical fiber to be coupled, and the controller adjusts the angle of the optical fiber arranged on the first clamping piece through the angle adjusting component based on the detection result of the optical power detector, so that the optical power after passing through the optical fiber to be coupled is close to the power of the light generated by the light emitter, the precision is adjusted, and the coupling position is further determined. The optical fiber coupler provided by the invention automatically adjusts and determines the optical fiber coupling position through the arrangement of the image acquisition component and the optical power detection component, can improve the consistency of optical fiber coupling products in production, can determine the optical fiber coupling position through primary adjustment and precision adjustment, improves the yield, further can improve the production efficiency and reduce the production cost.
In addition, according to the optical fiber coupler in the above technical solution provided by the present invention, the following additional technical features may also be provided:
in the above technical solution, further, the coordinate adjustment assembly includes: an XY two-dimensional displacement stage; the Z-axis displacement platform is arranged on the XY two-dimensional displacement platform in a sliding manner; the first clamping piece is arranged at one end, close to the angle adjusting assembly, of the Z-axis displacement table, and the second clamping piece is arranged on one side, close to the Z-axis displacement table, of the angle adjusting assembly.
In this technical scheme, can drive Z axle displacement platform through setting up of XY two-dimensional displacement platform and remove on X axle and Y axle, make first holder can remove on the Z axle through setting up of Z axle displacement platform, and then can adjust the coordinate position that first holder is located through coordinate adjusting part, be convenient for make the optic fibre of setting on first holder dock with the optic fibre on the second holder, further improve the production efficiency of fiber coupling.
In any of the above technical solutions, further, the image capturing assembly includes: the suspension arm is arranged on one side of the XY two-dimensional displacement table; a first industrial camera disposed on the suspension arm; the second industrial camera is arranged on the suspension arm; the supplementary light source is arranged on the coordinate adjusting assembly or the angle adjusting assembly and faces the first industrial camera and the second industrial camera; wherein the image acquisition direction of the first industrial camera is perpendicular to the image acquisition direction of the second industrial camera.
In this technical scheme, two industrial cameras have been set up, can acquire two sets of image information of the different angles of fiber coupling position department through setting up of two industrial cameras, further, the controller is based on two sets of image information, can adjust the position of optic fibre on the first holder through the coordinate adjusting part, make optic fibre on the first holder and the optic fibre on the second holder be in the intersection of two kinds of image information, accomplish the preliminary adjustment to the coupling optical fibre position, then only need carry out angle modulation to the optic fibre of accomplishing preliminary adjustment, can confirm the coupling position, can improve the efficiency that the preliminary adjustment of fiber coupling is greatly, and the production efficiency is improved, and then reduction in production cost.
Specifically, the number of the suspension arms may be two, the suspension arms are arranged on a shockproof flat plate for mounting and fixing the coordinate adjusting assembly and the angle adjusting assembly and located between the coordinate adjusting assembly and the angle adjusting assembly, the first industrial camera is arranged on one of the suspension arms, the image acquisition direction faces a ZOY plane formed by the XY two-dimensional displacement table of the coordinate adjusting assembly and the Z-axis displacement table, the second industrial camera is arranged on the other suspension arm, and the image acquisition direction faces an XOY plane formed by the XY two-dimensional displacement table of the coordinate adjusting assembly and the Z-axis displacement table.
In this technical scheme, through the setting of light filling light source, can make first industry camera and the image information that second industry camera was shot and is acquireed more clear, be convenient for more make clear the position of optic fibre in image information, be convenient for adjust the position of the optic fibre of setting on first holder through the coordinate adjusting part, carry out the preliminary regulation of optic fibre position, further improve the efficiency that the preliminary regulation of optic fibre coupling is advanced, improve production efficiency, and then reduction in production cost.
In the technical scheme, the image acquisition direction of the first industrial camera is perpendicular to the image acquisition direction of the second industrial camera, so that the setting positions of the first industrial camera and the second industrial camera can be conveniently determined, the first industrial camera and the second industrial camera are arranged on the suspension arm positioned on one side of the XY two-dimensional displacement table, the shooting angle of the first industrial camera and the shooting angle of the second industrial camera are adaptive to the setting positions of the first clamping piece and the second clamping piece, the image information of the optical fiber coupling position can be conveniently captured, and the characteristic of the optical fiber coupling position in the image information is more obvious.
In the technical scheme, the arrangement positions and the image acquisition directions of the first industrial camera and the second industrial camera are convenient to adjust through the arrangement of the suspension arm.
In any of the above technical solutions, further, the supplementary light source is a white light source.
In this technical scheme, the supplementary light source is the white light source, is convenient for discern the marginal characteristic of optic fibre in image information, is convenient for adjust the position of the optic fibre of setting on first holder through the coordinate adjusting part, carries out the preliminary adjustment of optic fibre position, further improves the efficiency that the preliminary adjustment of optic fibre coupling, improves production efficiency, and then reduction in production cost.
In any of the above technical solutions, further, the angle adjusting assembly is a two-dimensional electric angle displacement table.
In this technical scheme, the position of the optic fibre of setting on first holder is adjusted through the coordinate adjusting part in the optical fibre coupling, accomplishes the preliminary regulation back in optic fibre position, and the butt joint is accomplished to optic fibre on the first holder and the optic fibre on the second holder, only needs to adjust optic fibre coupling angle and can confirm the coupling position, consequently selects the electronic angle displacement platform of two-dimentional with the angle adjusting part, can reduce investment cost.
In any one of the above technical solutions, further, the method further includes: a shockproof flat plate; and the linear guide rail is arranged on the shockproof flat plate, and the coordinate adjusting assembly and the angle adjusting assembly are arranged on the linear guide rail in a sliding manner.
In the technical scheme, the coordinate adjusting assembly and the angle adjusting assembly are arranged on the linear guide rail in a sliding manner, so that the distance between the coordinate adjusting assembly and the angle adjusting assembly can be conveniently adjusted, and the optical fiber on the first clamping piece and the optical fiber on the second clamping piece can be conveniently close to each other; through the setting of the shockproof flat plate, the influence of external vibration on optical fiber coupling can be reduced, the yield is further improved, the production efficiency is improved, and the production cost is reduced.
In any one of the above technical solutions, further, the method further includes: the first translation platform is arranged on the linear guide rail in a sliding manner; the second translation platform is arranged on the linear guide rail in a sliding manner; one of the coordinate adjusting assembly and the angle adjusting assembly is arranged on the first translation platform, and the other one of the coordinate adjusting assembly and the angle adjusting assembly is arranged on the second translation platform.
In the technical scheme, the coordinate adjusting assembly and the angle adjusting assembly are arranged on the linear guide rail in a sliding mode through the first translation table and the second translation table, and the coordinate adjusting assembly and the angle adjusting assembly can be driven to be close to or far away from each other through the first translation table and the second translation table, so that the optical fiber coupler is more convenient to use.
According to a second aspect of the present invention, there is provided a method for controlling an optical fiber coupler, which is used for the optical fiber coupler according to any one of the above technical solutions, the method comprising: starting an image acquisition assembly to acquire image information of a coupling position of a first optical fiber arranged on a first clamping piece and a second optical fiber arranged on a second clamping piece; based on the image information, the position of the first clamping piece is adjusted through the coordinate adjusting assembly, so that the first optical fiber is in butt joint with the second optical fiber; starting an optical power detection assembly, enabling light generated by an emitter to enter an optical power detector through a first optical fiber and a second optical fiber, and enabling the optical power detector to acquire optical power detection information; based on the optical power detection information, a coupling position is determined.
In this embodiment, the control method is the optical fiber coupler according to any one of the above embodiments, and therefore the control method has all the advantageous technical effects of the optical fiber coupler.
The control method provided by the invention primarily adjusts the position of the optical fiber coupling through the image information, and then adjusts the precision based on the detection result of the optical power detector, thereby ensuring the consistency of products, improving the yield, improving the production efficiency and reducing the production cost.
In addition, according to the control method of the optical fiber coupler in the above technical solution provided by the present invention, the following additional technical features may be further provided:
in above-mentioned technical scheme, further, based on image information, adjust the position that first holder is located through coordinate adjusting part for first optic fibre and second optic fibre butt joint includes: extracting edge features of a first optical fiber and a second optical fiber in the image information; acquiring a deviation parameter based on the edge characteristics; and adjusting the position of the first clamping piece based on the deviation parameter until the edge characteristic of the first optical fiber is parallel to or on the same straight line with the edge characteristic of the second optical fiber.
In the technical scheme, the edge characteristics of the optical fibers are extracted from the image information, the position of the first clamping piece is adjusted through the coordinate adjusting assembly based on the edge characteristics, the first optical fibers and the second optical fibers can be located on the same straight line, the primary adjustment of optical fiber coupling is completed, the coupling efficiency is improved, and the problems of poor product repeatability, poor performance consistency and low yield of manual or semi-automatic production are solved.
In any of the above technical solutions, further, determining the coupling position based on the optical power detection information includes: starting an optical power detection component in real time; determining an adjusting range based on a detection result of the optical power detection assembly when the coordinate adjusting assembly adjusts the position of the first clamping piece so that the first optical fiber is in butt joint with the second optical fiber; adjusting the angle between the positions of the second clamping piece and the first clamping piece through the angle adjusting assembly based on the adjusting range; traversing the optical power detection information acquired by the optical power detector in the adjusting range; and determining the coupling position based on the maximum optical power detection information acquired in the adjustment range.
In the technical scheme, the optical power detection assembly is started in real time, when the position of the first clamping piece is adjusted through the coordinate adjusting assembly to perform initial adjustment, the optical power detection assembly detects the optical power value which is transmitted by the light emitter and penetrates through the optical fiber to be coupled in real time, the adjusting range of the precision adjusting stage is determined according to the optical power value acquired during the initial adjustment, the angle between the second clamping piece and the position of the first clamping piece is adjusted through the angle adjusting assembly in the precision adjusting stage, the optical power detection assembly acquires the optical power detection information which is closest to an initial light source in the adjusting range, and the angle of the angle adjusting assembly is the coupling position at the moment, so that the precision adjustment can be realized, the requirements of high efficiency and shortening of alignment coupling time for large-batch optical fiber butt coupling production can be met, the problem of the optical fiber butt coupling from the traditional manual or semi-automatic packaging production to the full-automatic packaging production can be solved, the product quality and the production efficiency are improved, the low cost and the scale production capacity of optical device production enterprises are improved, and the packaging and manufacturing level and the packaging and manufacturing capacity of the optical devices are improved.
Specifically, the optical power threshold may also be preset; adjusting the angle between the positions of the second clamping piece and the first clamping piece through an angle adjusting assembly, and acquiring optical power detection information through an optical power detector; and when the optical power detection information is greater than or equal to the optical power threshold, stopping adjusting the angle adjusting assembly, and taking the coupling position of the first optical fiber and the second optical fiber as the coupling position. According to the technical scheme, the detected optical power detection information is compared with the optical power threshold value through the preset optical power threshold value, and the angle adjusting assembly can be stopped being adjusted when the optical power threshold value is larger than or equal to the set optical power threshold value, so that the optical fiber coupling adjusting efficiency can be further improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a fiber optic coupler according to an embodiment of the present invention;
FIG. 2 is a block diagram of a fiber optic coupler according to an embodiment of the present invention;
FIG. 3 is a top view of a fiber optic coupler according to one embodiment of the present invention;
FIG. 4 is a side view of a fiber optic coupler according to one embodiment of the present invention;
FIG. 5 is a bottom view of the first translation stage in accordance with one embodiment of the present invention;
FIG. 6 is a front view of a first translation stage according to one embodiment of the invention;
FIG. 7 is a top view of a first translation stage according to one embodiment of the invention;
FIG. 8 is a bottom view of an XY two-dimensional translation stage of one embodiment of the present invention;
FIG. 9 is a front view of an XY two-dimensional translation stage of one embodiment of the present invention;
FIG. 10 is a top view of an XY two-dimensional displacement stage of one embodiment of the invention;
FIG. 11 is a front view of a Z-axis displacement stage of one embodiment of the present invention;
FIG. 12 is a side view of a Z-axis displacement stage of one embodiment of the present invention;
FIG. 13 is a top view of a Z-axis displacement stage of one embodiment of the present invention;
FIG. 14 is a bottom view of a two-dimensional motorized angle displacement table of one embodiment of the present invention;
FIG. 15 is a front view of a two-dimensional motorized angular displacement stage of one embodiment of the present invention;
FIG. 16 is a top view of a two-dimensional motorized angular displacement table of one embodiment of the present invention;
FIG. 17 is a schematic flow chart diagram illustrating a method of controlling a fiber optic coupler according to one embodiment of the present invention;
FIG. 18 is a schematic flow chart diagram illustrating a method of controlling a fiber optic coupler according to yet another embodiment of the present invention;
FIG. 19 is a detailed schematic flow chart diagram of step 604 of the method for controlling the fiber optic coupler of the embodiment shown in FIG. 18;
FIG. 20 is a detailed schematic flow chart diagram of step 608 of the method for controlling the fiber optic coupler of the embodiment shown in FIG. 18;
FIG. 21 is a schematic flow chart diagram illustrating a method for controlling a fiber optic coupler according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 16 is:
2, a coordinate adjusting component, 4 an angle adjusting component, 6 a first clamping piece, 8 a second clamping piece, 10 a shockproof flat plate, 12 a linear guide rail, 14 a first translation platform and 16 a second translation platform;
a 202XY two-dimensional displacement table and a 204Z-axis displacement table;
1602 translation stage base, 1604 translation stage screw, 1606 translation stage table top, 1608 translation stage drive motor;
402 a first table top, 404 a first drive motor, 408 a center of swing, 410 a second drive motor;
2022X axis table top, 2024X axis drive motor, 2028X axis adjustment screw, 2030Y axis table top, 2032Y axis drive motor, 2036Y axis adjustment screw;
2042Z-axis table top, 2044Z-axis driving motor and 2046Z-axis adjusting screw rod.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
An optical fiber coupler and a control method of the optical fiber coupler according to some embodiments of the present invention are described below with reference to fig. 1 to 21.
Example one
As shown in fig. 1 to 16, an embodiment of the present invention provides a fiber optic coupler, including: coordinate adjusting component 2, angle adjusting component 4, image acquisition component, optical power detection component and controller.
As shown in fig. 1, a first clamping piece 6 is arranged on the coordinate adjusting assembly 2; the angle adjusting assembly 4 is arranged opposite to the coordinate adjusting assembly 2, and a second clamping piece 8 is arranged on the angle adjusting assembly 4; the image acquisition assembly is arranged on the coordinate adjusting assembly 2, and the image acquisition range of the image acquisition assembly at least covers the positions of the first clamping piece 6 and the second clamping piece 8; the optical power detection component comprises an optical emitter and an optical power detector, one of the optical emitter and the optical power detector is arranged on the coordinate adjusting component 2, and the other one of the optical emitter and the optical power detector is arranged on the angle adjusting component 4; the controller is connected in image acquisition subassembly, light power detection subassembly, coordinate adjusting part 2 and angle adjusting part 4, and the controller is used for adjusting the position that first holder 6 is located based on the image information that the image acquisition subassembly was obtained, based on the testing result of light power detector, adjusts the angle between second holder 8 and the first holder 6.
In the optical fiber coupler, optical fibers to be coupled are respectively clamped on a first clamping piece 6 and a second clamping piece 8 in the working process; the image acquisition component shoots and acquires image information of an optical fiber coupling position, and the controller adjusts the position of an optical fiber arranged on the first clamping piece 6 through the coordinate adjusting component 2 based on the image information, so as to primarily adjust the position of the optical fiber, and enable the optical fiber to be coupled to be in butt joint; the light generated by the light emitter enters the optical power detector after passing through the optical fiber to be coupled, and the controller adjusts the angle of the optical fiber arranged on the first clamping piece 6 through the angle adjusting component 4 based on the detection result of the optical power detector, so that the optical power after passing through the optical fiber to be coupled is close to the power of the light generated by the light emitter, the precision adjustment is carried out, and the coupling position is further determined. Therefore, the optical fiber coupling instrument is arranged, the optical fiber coupling position is automatically adjusted and determined through the arrangement of the image acquisition assembly and the optical power detection assembly, the consistency of optical fiber coupling products can be improved in production, the optical fiber coupling position can be determined through primary adjustment and precision adjustment, the yield is improved, the production efficiency can be improved, and the production cost is reduced.
Example two
As shown in fig. 1 to 16, an embodiment of the present invention provides a fiber optic coupler, including: coordinate adjusting component 2, angle adjusting component 4, image acquisition component, optical power detection component and controller.
As shown in fig. 1, a first clamping piece 6 is arranged on the coordinate adjusting assembly 2; the angle adjusting assembly 4 is arranged opposite to the coordinate adjusting assembly 2, and a second clamping piece 8 is arranged on the angle adjusting assembly 4; the image acquisition assembly is arranged on the coordinate adjusting assembly 2, and the image acquisition range of the image acquisition assembly at least covers the positions of the first clamping piece 6 and the second clamping piece 8; the optical power detection component comprises an optical emitter and an optical power detector, one of the optical emitter and the optical power detector is arranged on the coordinate adjusting component 2, and the other one of the optical emitter and the optical power detector is arranged on the angle adjusting component 4; the controller is connected in image acquisition subassembly, light power detection subassembly, coordinate adjusting part 2 and angle adjusting part 4, and the controller is used for adjusting the position that first holder 6 is located based on the image information that the image acquisition subassembly was obtained, based on the testing result of light power detector, adjusts the angle between second holder 8 and the first holder 6.
As shown in fig. 3 and 4, further, the coordinate adjusting assembly 2 includes: an XY two-dimensional displacement stage 202; a Z-axis displacement table 204 which is arranged on the XY two-dimensional displacement table 202 in a sliding manner; wherein, the first clamping piece 6 is arranged at one end of the Z-axis displacement table 204 close to the angle adjusting assembly 4, and the second clamping piece 8 is arranged at one side of the angle adjusting assembly 4 close to the Z-axis displacement table 204.
In this embodiment, the setting of the XY two-dimensional displacement table 202 can drive the Z-axis displacement table 204 to move on the X axis and the Y axis, the setting of the Z-axis displacement table 204 enables the first clamping member 6 to move on the Z axis, and the coordinate position of the first clamping member 6 can be adjusted by the coordinate adjusting assembly 2, so that the optical fiber arranged on the first clamping member 6 is in butt joint with the optical fiber arranged on the second clamping member 8, and the production efficiency of optical fiber coupling is further improved.
Further, the image acquisition assembly includes: a suspension arm disposed on one side of the XY two-dimensional displacement table 202; a first industrial camera disposed on the suspension arm; the second industrial camera is arranged on the suspension arm; the supplementary light source is arranged on the coordinate adjusting assembly or the angle adjusting assembly and faces the first industrial camera and the second industrial camera; wherein the image acquisition direction of the first industrial camera is perpendicular to the image acquisition direction of the second industrial camera.
In this embodiment, two industrial cameras have been set up, can acquire two sets of image information of the different angles of fiber coupling position department through the setting of two industrial cameras, further, the controller is based on two sets of image information, can adjust the position of optic fibre on the first holder 6 through coordinate adjusting part 2, make optic fibre on the first holder 6 and the optic fibre on the second holder 8 be in the intersection of two kinds of image information, accomplish the primary control to the coupling optic fibre position, then only need carry out angle modulation to the optic fibre of accomplishing primary control, can confirm the coupling position, can improve the efficiency of the primary control of fiber coupling greatly, and the efficiency of high pressure heater is improved, and then the production cost is reduced.
Specifically, two suspension arms may be provided, which are disposed on a vibration-proof flat plate for mounting and fixing the coordinate adjusting assembly and the angle adjusting assembly, and are located between the coordinate adjusting assembly and the angle adjusting assembly, the first industrial camera is disposed on one of the suspension arms, the image acquisition direction is toward a ZOY plane formed by the XY two-dimensional displacement table 202 and the Z-axis displacement table 204 of the coordinate adjusting assembly, the second industrial camera is disposed on the other suspension arm, and the image acquisition direction is toward an XOY plane formed by the XY two-dimensional displacement table 202 and the Z-axis displacement table 204 of the coordinate adjusting assembly.
In this embodiment, through the setting of light filling light source, can make first industry camera and the image information that second industry camera shooting was acquireed more clear, be convenient for more clearly and definitely the position of optic fibre in image information, be convenient for adjust the position of the optic fibre of setting on first holder 6 through coordinate adjusting part 2, carry out the preliminary regulation of optic fibre position, further improve the efficiency that the preliminary regulation of optic fibre coupling, improve production efficiency, and then reduction in production cost.
In this embodiment, the image capturing direction of the first industrial camera is perpendicular to the image capturing direction of the second industrial camera, on one hand, the setting positions of the first industrial camera and the second industrial camera can be defined conveniently, on the other hand, the first industrial camera is arranged on the suspension arm on one side of the XY two-dimensional displacement table 202, the shooting angles of the first industrial camera and the second industrial camera are adapted to the setting positions of the first clamping piece 6 and the second clamping piece 8, the image information of the optical fiber coupling part can be captured conveniently, and the characteristic of the optical fiber coupling part in the image information can be more obvious.
In any of the above technical solutions, further, the supplementary light source is a white light source.
In this technical scheme, the supplementary light source is the white light source, is convenient for discern the marginal characteristic of optic fibre in image information, is convenient for adjust the position of the optic fibre of setting on first holder through the coordinate adjusting part, carries out the preliminary adjustment of optic fibre position, further improves the efficiency that the preliminary adjustment of optic fibre coupling, improves production efficiency, and then reduction in production cost.
EXAMPLE III
As shown in fig. 1 to 16, an embodiment of the present invention provides a fiber optic coupler, as shown in fig. 2, including: coordinate adjusting component 2, angle adjusting component 4, image acquisition component, optical power detection component and controller.
Wherein, the coordinate adjusting component 2 is provided with a first clamping piece 6; the angle adjusting assembly 4 is arranged opposite to the coordinate adjusting assembly 2, and a second clamping piece 8 is arranged on the angle adjusting assembly 4; the image acquisition assembly is arranged on the coordinate adjusting assembly 2, and the image acquisition range of the image acquisition assembly at least covers the positions of the first clamping piece 6 and the second clamping piece 8; the optical power detection component comprises an optical emitter and an optical power detector, one of the optical emitter and the optical power detector is arranged on the coordinate adjusting component 2, and the other one of the optical emitter and the optical power detector is arranged on the angle adjusting component 4; the controller is connected in image acquisition subassembly, light power detection subassembly, coordinate adjusting part 2 and angle adjusting part 4, and the controller is used for adjusting the position that first holder 6 is located based on the image information that the image acquisition subassembly was obtained, based on the testing result of light power detector, adjusts the angle between second holder 8 and the first holder 6.
Further, the coordinate adjusting assembly 2 includes: an XY two-dimensional displacement stage 202; a Z-axis displacement table 204 which is arranged on the XY two-dimensional displacement table 202 in a sliding manner; wherein, the first clamping piece 6 is arranged at one end of the Z-axis displacement table 204 close to the angle adjusting assembly 4, and the second clamping piece 8 is arranged at one side of the angle adjusting assembly 4 close to the Z-axis displacement table 204.
As shown in fig. 4, further, the image acquisition assembly includes: a suspension arm disposed on one side of the XY two-dimensional displacement table 202; a first industrial camera disposed on the suspension arm; the second industrial camera is arranged on the suspension arm; the supplementary light source is arranged on the coordinate adjusting assembly or the angle adjusting assembly and faces the first industrial camera and the second industrial camera; wherein the image acquisition direction of the first industrial camera is perpendicular to the image acquisition direction of the second industrial camera.
Further, the angle adjusting assembly 4 is a two-dimensional electric angle displacement table.
In this embodiment, the position of the optical fiber arranged on the first clamping piece 6 is adjusted through the coordinate adjusting component 2 in the optical fiber coupling, after the initial adjustment of the optical fiber position is completed, the optical fiber on the first clamping piece 6 is butted with the optical fiber on the second clamping piece 8, the coupling position can be determined only by adjusting the optical fiber coupling angle, and therefore the two-dimensional electric angle displacement table is selected for the angle adjusting component 4, and the investment cost can be reduced.
Further, still include: a shock-proof plate 10; and the linear guide rail 12 is arranged on the shockproof flat plate 10, and the coordinate adjusting assembly 2 and the angle adjusting assembly 4 are arranged on the linear guide rail 12 in a sliding manner.
In this embodiment, the coordinate adjusting assembly 2 and the angle adjusting assembly 4 are slidably disposed on the linear guide 12, so as to adjust the distance between the coordinate adjusting assembly 2 and the angle adjusting assembly 4, and facilitate the optical fiber on the first clamping member 6 and the optical fiber on the second clamping member 8 to approach each other; through the arrangement of the shockproof flat plate 10, the influence of external vibration on optical fiber coupling can be reduced, the yield is further improved, the production efficiency is improved, and the production cost is reduced.
Further, still include: a first translation stage 14 slidably disposed on the linear guide 12; a second translation stage 16 slidably disposed on the linear guide rail 12; one of the coordinate adjustment assembly 2 and the angle adjustment assembly 4 is provided on the first translation stage 14, and the other is provided on the second translation stage 16.
Specifically, the first translation stage 14 may be structurally identical to the second translation stage 16, and as shown in fig. 5 may each include: translation stage base 1602, translation stage lead screw 1604, translation stage table 1606, and translation stage drive motor 1608. As shown in fig. 6 and 7, the translation stage screw 1604 is disposed on the translation stage base 1602, the translation stage table 1606 is disposed on the translation stage screw 1604, the translation stage driving motor 1608 is connected to the translation stage screw 1604, and the translation stage base 1602 can be driven to move on the translation stage screw 1604 through the translation stage driving motor 1608.
Specifically, as shown in fig. 8, the XY two-dimensional displacement stage 202 includes an X-axis stage 2022, an X-axis driving motor 2024, an X-axis slide and X-axis adjusting screw 2028, a Y-axis stage 2030, a Y-axis driving motor 2032, a Y-axis slide and Y-axis adjusting screw 2036. As shown in fig. 9, the X-axis slide rail is disposed on the first translation stage, the setting direction is parallel to the length direction of the first translation stage 14, the X-axis table 2022 is slidably disposed on the X-axis slide rail, and the X-axis driving motor 2024 and the X-axis adjusting screw 2028 are connected to the X-axis table 2022 and can drive the X-axis table 2022 to slide on the X-axis slide rail; as shown in fig. 10, the Y-axis slide rail is disposed on the X-axis table 2022, the disposed direction is parallel to the width direction of the first translation stage 14, and is perpendicular to the X-axis slide rail, the Y-axis table 2030 is disposed on the Y-axis slide rail, and the Y-axis driving motor 2032 and the Y-axis adjusting screw 2036 are connected to the Y-axis table 2030, and can drive the Y-axis table 2030 to slide on the Y-axis slide rail.
Specifically, as shown in fig. 11, the Z-axis displacement stage 204 includes: a Z-axis table 2042, a Z-axis driving motor 2044, a Z-axis slide rail, and a Z-axis adjusting screw 2046. As shown in fig. 12 and 13, the Z-axis slide rail is disposed on the Y-axis table surface 2030, the setting direction of the Z-axis slide rail is perpendicular to a plane formed by the X-axis slide rail and the Y-axis slide rail, the Z-axis table surface 2042 is slidably disposed on the Z-axis slide rail, the Z-axis driving motor 2044 and the Z-axis adjusting screw 2046 are connected to the Z-axis table surface 2042, the Z-axis table surface 2042 can be driven to slide on the Z-axis slide rail, and the first clamping member is disposed on the Z-axis table surface 2042.
In the technical solution, a specific structure of the XY two-dimensional displacement table 202 is further provided, the controller is connected to the X-axis driving motor 2024, the Y-axis driving motor 2032, and the Z-axis driving motor 2044, the positions of the Z-axis displacement table 204 on the X-axis and the Y-axis can be adjusted by controlling the driving directions, the driving times, and the rotating speeds of the X-axis driving motor 2024 and the Y-axis driving motor 2032 through the controller, and the position of the first clamping member 6 on the Z-axis can be adjusted by further controlling the controller through the Z-axis driving motor 2044, so that the coordinate of the first clamping member 6 can be adjusted.
Specifically, as shown in fig. 14, the two-dimensional motorized angle displacement stage includes a first stage 402, a first driving motor 404, a first slide rail, a pivot 408, a second driving motor 410, and a second slide rail. As shown in fig. 15 and 16, the first slide rail is disposed on the second translation stage, the arrangement direction is parallel to the length direction of the second translation stage, the first table top 402 is slidably disposed on the first slide rail, and the first driving motor 404 is connected to the first table top 402 and can drive the first table top 402 to slide on the first slide rail; the second slide rail is arranged on the first table top 402, the arrangement direction of the second slide rail is parallel to the width direction of the second translation table and is perpendicular to the first slide rail, the swing center 408 is arranged on the second slide rail, the second driving motor 410 is connected to the swing center 408 and can drive the swing center 408 to slide on the Y-axis slide rail, and the second clamping member 8 is connected to the swing center 408.
In this technical scheme, the structure of two-dimensional electronic angle displacement platform is further provided, can adjust the position that pendulum center 408 is located on first slide rail through first driving motor 404, can drive the angle that pendulum center 408 adjusted second holder 8 through second driving motor 410.
In this embodiment, the coordinate adjustment assembly 2 and the angle adjustment assembly 4 are slidably disposed on the linear guide 12 through the first translation stage 14 and the second translation stage 16, and the coordinate adjustment assembly 2 and the angle adjustment assembly 4 can be driven to approach or separate from each other through the first translation stage 14 and the second translation stage 16, so that the optical fiber coupler is more convenient to use.
Example four
As shown in fig. 17, an embodiment of the present invention provides a method for controlling an optical fiber coupler, which is used for the optical fiber coupler according to any of the above technical solutions, and the method includes:
104, adjusting the position of the first clamping piece through the coordinate adjusting component based on the image information to enable the first optical fiber to be in butt joint with the second optical fiber;
and step 108, determining the coupling position based on the optical power detection information.
In this embodiment, the control method is the optical fiber coupler according to any one of the above embodiments, and therefore the control method has all the advantageous technical effects of the optical fiber coupler.
The control method provided by the invention primarily adjusts the position of the optical fiber coupling through the image information, and then adjusts the precision based on the detection result of the optical power detector, thereby ensuring the consistency of products, improving the yield, improving the production efficiency and reducing the production cost.
EXAMPLE five
As shown in fig. 18 to 20, an embodiment of the present invention provides a method for controlling an optical fiber coupler, which is used in the optical fiber coupler according to any of the above technical solutions, and as shown in fig. 18, the method includes:
As shown in fig. 19, further, adjusting the position of the first clamping member by the coordinate adjusting assembly based on the image information so that the first optical fiber is butted with the second optical fiber includes:
In the technical scheme, the edge characteristics of the optical fibers are extracted from the image information, the position of the first clamping piece is adjusted through the coordinate adjusting assembly based on the edge characteristics, the first optical fibers and the second optical fibers can be located on the same straight line, the primary adjustment of optical fiber coupling is completed, the coupling efficiency is improved, and the problems of poor product repeatability, poor performance consistency and low yield of manual or semi-automatic production are solved.
As shown in fig. 20, further, determining the coupling position based on the optical power detection information includes:
6086, adjusting the angle between the positions of the second clamping piece and the first clamping piece through the angle adjusting assembly based on the adjusting range;
In the technical scheme, the optical power detection assembly is started in real time, when the position of the first clamping piece is adjusted through the coordinate adjusting assembly to perform initial adjustment, the optical power detection assembly detects the optical power value which is transmitted by the light emitter and penetrates through the optical fiber to be coupled in real time, the adjusting range of the precision adjusting stage is determined according to the optical power value acquired during the initial adjustment, the angle between the second clamping piece and the position of the first clamping piece is adjusted through the angle adjusting assembly in the precision adjusting stage, the optical power detection assembly acquires the optical power detection information which is closest to an initial light source in the adjusting range, and the angle of the angle adjusting assembly is the coupling position at the moment, so that the precision adjustment can be realized, the requirements of high efficiency and shortening of alignment coupling time for large-batch optical fiber butt coupling production can be met, the problem of the optical fiber butt coupling from the traditional manual or semi-automatic packaging production to the full-automatic packaging production can be solved, the product quality and the production efficiency are improved, the low cost and the scale production capacity of optical device production enterprises are improved, and the packaging and manufacturing level and the packaging and manufacturing capacity of the optical devices are improved.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1 to 16, this embodiment provides a fiber optic coupler that is mainly composed of two parts, a hardware system and a software system. As shown in fig. 1 and 2, the hardware system includes a vibration-proof plate 10, a linear guide 12 provided on the vibration-proof plate 10, a first translation stage 14 and a second translation stage 16 slidably provided on the linear guide 12, an XY two-dimensional displacement stage 202 and a two-dimensional motorized angle displacement stage provided on the first translation stage 14 and the second translation stage 16, a Z-axis displacement stage 204 provided on the XY two-dimensional displacement stage 202, a first industrial camera provided on a suspension arm on the XY two-dimensional displacement stage 202 side, a second industrial camera provided on the suspension arm on the Z-axis displacement stage 204 side, a supplementary light source for supplementing light for the industrial camera, a display connected to the second industrial camera, the first industrial camera, and a controller, and an optical power detection unit. The controller of the software system is used for identifying the image information of the first industrial camera and the second industrial camera and controlling the XY two-dimensional displacement table 202 and the Z-axis displacement table 204 to move; and identifying the detection result of the optical power detection assembly and controlling the angle adjustment of the two-dimensional electric angle displacement table.
The embodiment is used for solving the problem that the optical fiber butt-joint coupling is changed from the traditional manual or semi-automatic packaging production to the full-automatic packaging production; the production requirements that the optical fiber butt coupling needs high efficiency and the alignment coupling time is shortened are met.
The image acquisition assembly of the embodiment comprises a first industrial camera and a second industrial camera, wherein the image acquisition direction of the first industrial camera is perpendicular to the image acquisition direction of the second industrial camera, the acquired image information is convenient for carrying out preliminary adjustment on optical fiber coupling, and the optical fiber coupling is subjected to precision adjustment through the detection result of the optical power detection assembly, so that the coupling efficiency is improved; the time of alignment coupling is shortened by adopting a full-automatic butt coupling mode of firstly carrying out primary adjustment and then carrying out precision adjustment.
The method is composed of motion control, image recognition and processing, algorithm processing, display processing and the like.
As shown in fig. 1 to 4, the optical fiber coupler includes: the device comprises a shockproof flat plate 10, a linear guide rail 12, an XY two-dimensional displacement table 202, a Z-axis displacement table 204, a two-dimensional electric angle displacement table, a controller, a first clamping piece 6, a second clamping piece 8, a white light source, a first industrial camera, a second industrial camera and a light power detector. The method is divided according to modules and can be divided into the following steps: the device comprises an image acquisition module, an image processing module, a light power induction module, a motion control module and a man-machine interaction module.
The image acquisition module acquires a side view image and a top view image which are clearly imaged in real time by a white light source and an industrial camera in the X-axis direction and the Z-axis direction respectively, and the image processing module extracts edge features of the images and calculates relative deviation; the optical power detector of the optical power induction module comprises an optical emitter and an optical power detector, and the optical power detector detects the output end of the optical fiber in real time; the motion control module comprises a shockproof flat plate 10, a linear guide rail 12, an XY two-dimensional displacement table 202, a Z-axis displacement table 204, a two-dimensional electric angle displacement table, a first clamping piece 6 and a second clamping piece 8; the image processing module includes a controller and a display. The alignment position is determined by real-time data obtained by the image processing module and the optical power sensing module in the working process to realize high-precision automatic alignment coupling of the left optical fiber and the right optical fiber, the man-machine interaction module comprises a PC (Personal Computer), a mouse and a keyboard, Halcon software and Visual Studio software are loaded on the experimental PC, and Halcon and C # combined programming is adopted for secondary development to identify image information.
As shown in fig. 21, the alignment coupling process of a fiber coupler is as follows:
① a second industrial camera is vertically fixed above the fiber-fiber coupling position in Z-axis direction, a white light source is fixed below the second industrial camera to illuminate the coupling position, a first industrial camera is horizontally fixed in front of the fiber-fiber coupling position in X-axis direction, and the white light source is fixed below the camera to illuminate the coupling position;
② the first industrial camera and the second industrial camera of XZ axis collect the image in the visual field in real time and transmit to the controller;
③ the controller extracts the fiber edge feature straight line in the image by image processing and calculates the relative deviation (stop when it is 0), and corrects the deviation by algorithm to calculate the position coordinate making the edge feature straight line parallel;
④ the controller performs the initial adjustment by adjusting the coordinate adjustment assembly 2 multiple times to achieve the correct position coordinates of the fiber on the first clamping member 6.
The precision adjustment is that an ⑤ light emitter is connected with one end of an optical Fiber to be coupled to directly couple red light into the optical Fiber, and an FC interface (FC interface) at the other end of the optical Fiber to be coupled is connected with an optical power detector to measure the received infrared light wavelength and infrared light power value in real time and send the infrared light wavelength and the infrared light power value to a controller;
⑥ the controller adjusts the angle through the angle adjusting component 4, monitors the light power value in real time and scans the light power value in a small range based on the light power value detected in the preliminary adjusting stage until the light power value approaches the maximum value of the initial light source, which is the best coupling point of the optical fiber alignment.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fiber optic coupler, comprising:
the coordinate adjusting assembly is provided with a first clamping piece;
the angle adjusting assembly is arranged opposite to the coordinate adjusting assembly, and a second clamping piece is arranged on the angle adjusting assembly;
the image acquisition assembly is arranged on the coordinate adjusting assembly, and the image acquisition range of the image acquisition assembly at least covers the positions of the first clamping piece and the second clamping piece;
the optical power detection assembly comprises an optical emitter and an optical power detector, one of the optical emitter and the optical power detector is arranged on the coordinate adjusting assembly, and the other one of the optical emitter and the optical power detector is arranged on the angle adjusting assembly;
the controller is connected with the image acquisition assembly, the optical power detection assembly, the coordinate adjusting assembly and the angle adjusting assembly, and is used for adjusting the position of the first clamping piece based on the image information acquired by the image acquisition assembly and adjusting the angle between the second clamping piece and the first clamping piece based on the detection result of the optical power detector.
2. The fiber optic coupler of claim 1, wherein the coordinate adjustment assembly comprises:
an XY two-dimensional displacement stage;
the Z-axis displacement table is arranged on the XY two-dimensional displacement table in a sliding manner;
the first clamping piece is arranged at one end, close to the angle adjusting assembly, of the Z-axis displacement table, and the second clamping piece is arranged on one side, close to the Z-axis displacement table, of the angle adjusting assembly.
3. The fiber optic coupler of claim 2, wherein the image acquisition assembly comprises:
the suspension arm is arranged on one side of the XY two-dimensional displacement table;
a first industrial camera disposed on the suspension arm;
a second industrial camera disposed on the suspension arm;
a supplementary light source disposed on the coordinate adjustment assembly or the angle adjustment assembly, the supplementary light source disposed toward the first industrial camera and the second industrial camera;
wherein an image acquisition direction of the first industrial camera is perpendicular to an image acquisition direction of the second industrial camera.
4. The fiber optic coupler of claim 3, wherein the supplemental light source is a white light source.
5. The fiber optic coupler of any of claims 1-4, wherein the angular adjustment assembly is a two-dimensional motorized angular displacement stage.
6. The fiber optic coupler of any of claims 1-4, further comprising:
a shockproof flat plate;
and the linear guide rail is arranged on the shockproof flat plate, and the coordinate adjusting assembly and the angle adjusting assembly are arranged on the linear guide rail in a sliding manner.
7. The fiber optic coupler of claim 6, further comprising:
the first translation platform is arranged on the linear guide rail in a sliding manner;
the second translation platform is arranged on the linear guide rail in a sliding manner;
one of the coordinate adjusting assembly and the angle adjusting assembly is arranged on the first translation platform, and the other one of the coordinate adjusting assembly and the angle adjusting assembly is arranged on the second translation platform.
8. A control method for an optical fiber coupler according to any one of claims 1 to 7, the control method comprising:
starting an image acquisition assembly to acquire image information of a coupling position of a first optical fiber arranged on a first clamping piece and a second optical fiber arranged on a second clamping piece;
based on the image information, adjusting the position of the first clamping piece through a coordinate adjusting assembly to enable the first optical fiber to be in butt joint with the second optical fiber;
starting an optical power detection assembly, enabling light generated by an emitter to enter the optical power detector through the first optical fiber and the second optical fiber, and enabling the optical power detector to acquire optical power detection information;
determining a coupling position based on the optical power detection information.
9. The method of claim 8, wherein adjusting the position of the first clamping member based on the image information via a coordinate adjustment assembly such that the first optical fiber is docked with the second optical fiber comprises:
extracting edge features of the first optical fiber and the second optical fiber in the image information;
acquiring a deviation parameter based on the edge characteristics;
and adjusting the position of the first clamping piece based on the deviation parameter until the edge characteristic of the first optical fiber is parallel to or on the same straight line with the edge characteristic of the second optical fiber.
10. The control method of claim 8, wherein determining the coupling position based on the optical power detection information comprises:
starting the optical power detection component in real time;
determining an adjusting range based on a detection result of the optical power detection assembly when the position of the first clamping piece is adjusted through the coordinate adjusting assembly so that the first optical fiber is in butt joint with the second optical fiber;
adjusting an angle between the second clamping piece and the first clamping piece through the angle adjusting assembly based on the adjusting range;
traversing the optical power detection information acquired by the optical power detector in the adjusting range;
and determining the coupling position based on the maximum optical power detection information acquired in the adjustment range.
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| CN112230345A (en) * | 2020-11-06 | 2021-01-15 | 桂林电子科技大学 | Optical fiber auto-coupling alignment apparatus and method |
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