CN111198094A - High-speed optical fiber collimator packaging online detection and adjustment system - Google Patents
High-speed optical fiber collimator packaging online detection and adjustment system Download PDFInfo
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- CN111198094A CN111198094A CN202010025986.3A CN202010025986A CN111198094A CN 111198094 A CN111198094 A CN 111198094A CN 202010025986 A CN202010025986 A CN 202010025986A CN 111198094 A CN111198094 A CN 111198094A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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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
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- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
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Abstract
The invention discloses a high-speed optical fiber collimator packaging online detection and adjustment system, which relates to the field of optical fiber collimator manufacturing and comprises the following components: the device comprises a five-dimensional adjusting frame, a light source generator, a coupler, a reflector, a power meter, an ultraviolet exposure machine, a UV sealing module and a main controller; the five-dimensional adjusting frame is used for carrying the tail fiber and executing rotation operation, transverse movement operation, longitudinal movement operation and/or deflection angle adjusting operation; the light source generator is used for emitting a first light source, the first light source is transmitted to the reflector for reflection through the coupler and the optical fiber collimator, and the first light source is received and tested by the optical fiber collimator and the coupler again for the power meter; the power meter is used for testing the insertion loss of the optical fiber collimator; the main controller includes: the device comprises a tail fiber packaging parameter acquisition module, a pre-loading control module, a parameter measurement module and a parameter determination module. The invention selects the optimal rotation angle so that the tail fiber inclined plane corresponds to the C lens inclined plane, and simultaneously, the glass sleeve is coated with glue, thereby saving the working procedure time.
Description
Technical Field
The invention relates to the field of manufacturing of optical fiber collimators, in particular to a high-speed optical fiber collimator packaging online detection and adjustment system.
Background
The optical fiber collimator is formed by accurately positioning a tail fiber and a G-Lens/C-Lens. The fiber collimator can convert the transmitted light in the fiber into collimated light (parallel light), or couple the external parallel light (approximately parallel) into a single-mode fiber. The optical fiber collimator is a common passive optical device in optical fiber communication, and can be generally used for circulators, optical switches, collimator arrays, MEMS optical switches, passive optical networks, optical fiber rotary connectors, and the like.
In the manufacturing process of the optical fiber collimator in the prior art, the pigtail is pre-assembled to the uncased C-Lens and the uncased pigtail in a manual manner, and is fixed by the UV glue/the first thermosetting glue, so that the insertion loss of the optical fiber collimator is relatively high.
Disclosure of Invention
In view of some defects in the prior art, the present invention provides an on-line detection and adjustment system for high-speed optical fiber collimator package, which aims to select an optimal rotation angle so that the slope of the pigtail corresponds to the slope of the C-lens, and simultaneously glue the glass sleeve, thereby saving the process time.
In order to achieve the purpose, the invention provides a high-speed optical fiber collimator packaging online detection and adjustment system, which is used for installing and combining a glass sleeve provided with a C lens and a tail fiber to form an optical fiber collimator; the system comprises: the device comprises a five-dimensional adjusting frame, a light source generator, a coupler, a reflector, a power meter, an ultraviolet exposure machine and a main controller; the five-dimensional adjusting frame is used for carrying tail fibers and executing rotation operation, transverse movement operation, longitudinal movement operation and/or deflection angle adjusting operation; the light source generator is used for emitting a first light source, the first light source is transmitted to the reflector through the coupler and the optical fiber collimator to be reflected, and the first light source is received and tested by the optical fiber collimator and the coupler for the power meter again; the power meter is used for testing the insertion loss of the optical fiber collimator; the main controller includes:
the tail fiber packaging parameter acquisition module is used for acquiring tail fiber packaging parameters preset by the batch of optical fiber collimators; the tail fiber packaging parameters comprise: inserting the tail fiber into a preset insertion depth of a glass sleeve of the optical fiber collimator;
the pre-loading control module is used for controlling the five-dimensional adjusting rack to execute the longitudinal movement operation and driving the tail fiber to axially move and insert into one end, opposite to the C lens, of the glass sleeve according to the preset insertion depth after the glass sleeve is fixed on the fixing side of the five-dimensional adjusting rack, the head of the tail fiber is fixed on the adjusting side of the five-dimensional adjusting rack, a circle of first heat curing glue is coated on the position, away from an inclined plane 1/4-1/2, of the head of the tail fiber, and the tail fiber is connected with the coupler;
the first parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the rotating operation and driving the tail fiber to axially move for one to two circles so as to enable the first thermosetting adhesive to be filled in a gap space between the glass sleeve and the tail fiber, and recording the rotating angle of the five-dimensional adjusting frame and a first measurement value acquired by the power meter in real time;
the first parameter determining module is used for selecting the rotation angle corresponding to the maximum value of the first measurement value as an optimal rotation angle according to the first measurement value; adjusting the rotation angle of the five-dimensional adjustment frame to the optimal rotation angle;
the second parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the transverse moving operation and driving the tail fiber to move on a vertical surface, and recording XY coordinates of the five-dimensional adjusting frame executing the transverse moving operation and a second measurement value acquired by the power meter in real time;
the second parameter determining module is used for selecting the XY coordinate corresponding to the maximum value of the second measured value as the optimal traversing coordinate according to the second measured value; adjusting the XY coordinates of the five-dimensional adjusting frame on a vertical plane to be the optimal traversing coordinates;
the third parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the deflection angle adjusting operation and drive the tail fiber to adjust the pitch angle, and recording the pitch angle of the five-dimensional adjusting frame executing the deflection angle adjusting operation and a third measurement value acquired by the power meter in real time;
the third parameter determining module is used for selecting the pitch angle corresponding to the maximum value of the third measured value as an optimal pitch angle according to the third measured value; adjusting the pitch angle of the five-dimensional adjusting frame to be the optimal pitch angle;
the fourth parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the longitudinal movement operation to adjust the real-time insertion depth of the tail fiber, and recording the real-time insertion depth of the longitudinal movement operation executed by the five-dimensional adjusting frame and a fourth measurement value acquired by the power meter in real time;
the fourth parameter determining module is used for selecting the real-time insertion depth corresponding to the maximum value of the fourth measurement value as the optimal insertion depth according to the fourth measurement value; adjusting the real-time insertion depth of the five-dimensional adjusting frame to the optimal insertion depth; adjusting the real-time insertion depth of the five-dimensional adjusting frame to the optimal insertion depth;
the system further comprises a UV sealing module, wherein the UV sealing module is used for coating a circle of UV glue on the outer junction of the tail fiber and the glass sleeve, and carrying out ultraviolet exposure curing on the UV glue.
In the technical scheme, the glass sleeve is coated with glue while the optimal rotation angle is selected so that the tail fiber inclined plane corresponds to the C lens inclined plane, and the working procedure time is saved. In the technical scheme, the optimal tail fiber installation parameters in all dimensions are obtained by adjusting the tail fibers and measuring the numerical value of the power meter in real time, so that the optical fiber collimator has better performance; in the technical scheme, the rotation operation is used as the first step of the measurement and adjustment of the installation parameters of the tail fiber, and the reason is that whether the inclined plane of the C lens and the inclined plane of the tail fiber have the largest influence on the performance of the optical fiber collimator or not is the greatest, and the performance of the optical fiber collimator and the installation and adjustment efficiency of the tail fiber are effectively improved by placing the C lens and the inclined plane of the tail fiber in the first step.
In a specific embodiment, before a circle of UV glue is coated on the outer boundary of the pigtail and the glass sleeve, the excess first thermal curing glue on the outer boundary of the pigtail and the glass sleeve should be wiped.
In a specific embodiment, the set time of the ultraviolet exposure curing of the UV sealing module is 5 seconds to 60 seconds.
In a specific embodiment, the system further comprises:
the first heat curing equipment is used for performing first heat curing on the glass sleeve with the tail fiber installed;
the second thermosetting equipment is used for coating second thermosetting glue outside the glass sleeve and performing second thermosetting on the optical fiber collimator after the first metal pipe is sleeved and installed; and after the second thermosetting is finished, fixedly connecting the first metal pipe and the glass sleeve through the second thermosetting adhesive.
In one embodiment, the main controller further comprises:
an insertion transmittance solving module for solving a ratio between a maximum value of the fourth measurement value and the power of the first light source;
the quality detection module is used for responding to the condition that the ratio is smaller than a first preset value and outputting a disqualified instruction; and responding to the condition that the ratio is greater than or equal to the first preset value, and outputting a qualified instruction.
In the technical scheme, the situation of the ratio between the maximum value of the fourth measurement value and the power of the first light source is tested to obtain the situation of the insertion loss of the tail fiber, and whether the period is qualified or not is judged so as to discard the unqualified period.
In one embodiment, the main controller further comprises:
a preset insertion depth adjusting module for obtaining the optimal insertion depth H according to the history of the fiber collimators of the batchiSolving for the optimal insertion depth HiAverage value of (H)iAdjusting the preset insertion depth h; the preset insertion depth H is Hi- Δ H; Δ H is a preset tolerance; the i is a number, and the i is a positive integer.
In the technical scheme, the optimal insertion depth H is solvediAverage value of (H)iSo as to adaptively adjust the preset insertion depth, and therefore, the subsequent device can be better debugged.
In a specific embodiment, the curing temperature of the first heat curing is 80 ℃ to 120 ℃, and the curing time of the first heat curing is 3 hours.
In a specific embodiment, the curing temperature of the second heat curing is 80 ℃ to 120 ℃, and the curing time of the second heat curing is 3 hours.
The invention has the beneficial effects that: (1) the optimal rotation angle is selected so that the tail fiber inclined plane corresponds to the C lens inclined plane, and meanwhile, the glass sleeve is coated with glue, so that the working procedure time is saved; (2) the optimal tail fiber installation parameters in all dimensions are obtained by adjusting the tail fibers and measuring the numerical value of the power meter in real time, so that the optical fiber collimator has better performance; (3) the reason why the rotating operation is used as the first step of the tail fiber installation parameter measurement and adjustment is that whether the inclined plane of the C lens and the inclined plane of the tail fiber have the largest influence on the performance of the optical fiber collimator or not is the greatest, and the performance of the optical fiber collimator and the tail fiber installation and adjustment efficiency are effectively improved by placing the C lens and the inclined plane of the tail fiber in the first step.
Drawings
FIG. 1 is a system block diagram of a high-speed fiber collimator package in-line detection and adjustment system in accordance with an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a high-speed fiber collimator packaging process in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of an insertion loss test of a high-speed fiber collimator packaging process in accordance with an embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-3, in a first embodiment of the present invention, a high-speed optical fiber collimator package on-line detection and adjustment system is provided, which is used to install and combine a glass sleeve 302 with a C lens 301 installed therein and a pigtail 303 to form an optical fiber collimator 300; the system comprises: a five-dimensional adjusting frame 101, a light source generator 102, a coupler 103, a reflecting mirror 104, a power meter 105, an ultraviolet exposure machine 106 and a main controller 200; the five-dimensional adjusting frame 101 is used for carrying the tail fiber 303 and executing rotation operation, transverse movement operation, longitudinal movement operation and/or deflection angle adjusting operation; the light source generator 102 is used for emitting a first light source, and the first light source is transmitted to the reflector 104 through the coupler 103 and the fiber collimator 300, reflected, and received and tested by the fiber collimator 300 and the coupler 103 again for the power meter 105; the power meter 105 is used for testing the insertion loss of the fiber collimator 300; the main controller 200 includes:
a pigtail packaging parameter obtaining module 201, configured to obtain pigtail 303 packaging parameters preset by the batch of optical fiber collimators 300; the package parameters of the pigtail 303 include: the tail fiber 303 is inserted into the preset insertion depth of the glass sleeve 302 of the optical fiber collimator 300;
a pre-loading control module 202, configured to control the five-dimensional alignment rack 101 to perform the longitudinal movement operation and drive the pigtail 303 to axially move and insert into an end of the glass sleeve 302 opposite to the C lens 301 according to the preset insertion depth after the glass sleeve 302 is fixed to the fixing side 110 of the five-dimensional alignment rack 101, the head of the pigtail 303 is fixed to the adjusting side 111 of the five-dimensional alignment rack 101, a circle of first thermal curing adhesive is applied to the head of the pigtail 303 away from the inclined planes 1/4-1/2, and the pigtail 303 and the coupler 103 are connected;
the first parameter measurement module 203 is configured to activate the light source generator 102, control the five-dimensional adjusting rack 101 to perform the rotating operation, drive the pigtail 303 to axially move for one to two weeks so that the first thermosetting adhesive is filled in a gap space between the glass sleeve 302 and the pigtail 303, and record a rotating angle of the five-dimensional adjusting rack 101 and a first measurement value acquired by the power meter 105 in real time;
a first parameter determining module 204, configured to select, according to the first measurement value, the rotation angle corresponding to the maximum value of the first measurement value as an optimal rotation angle; adjusting the rotation angle of the five-dimensional adjustment frame 101 to the optimal rotation angle;
a second parameter measurement module 205, configured to start the light source generator 102, control the five-dimensional adjusting rack 101 to perform the traversing operation, drive the pigtail 303 to move on a vertical plane, and record, in real time, an XY coordinate of the five-dimensional adjusting rack 101 performing the traversing operation and a second measurement value acquired by the power meter 105 in real time;
the second parameter determining module 206 is configured to select the XY coordinate corresponding to the maximum value of the second measurement value as an optimal traversing coordinate according to the second measurement value; adjusting the XY coordinates of the five-dimensional adjusting frame 101 on a vertical surface to be the optimal traversing coordinates;
a third parameter measurement module 207, configured to start the light source generator 102, control the five-dimensional adjusting rack 101 to perform the skew angle adjusting operation and drive the pigtail 303 to adjust a pitch angle, and record, in real time, the pitch angle at which the five-dimensional adjusting rack 101 performs the skew angle adjusting operation and a third measurement value acquired by the power meter 105 in real time;
a third parameter determining module 208, configured to select, according to the third measured value, the pitch angle corresponding to the maximum value of the third measured value as an optimal pitch angle; adjusting the pitch angle of the five-dimensional adjusting frame 101 to the optimal pitch angle;
a fourth parameter measuring module 209, configured to start the light source generator 102, control the five-dimensional adjusting rack 101 to perform the longitudinal movement operation to adjust the real-time insertion depth of the pigtail 303, and record, in real time, the real-time insertion depth of the five-dimensional adjusting rack 101 performing the longitudinal movement operation and a fourth measured value acquired by the power meter 105 in real time;
a fourth parameter determining module 210, configured to select, according to the fourth measured value, the real-time insertion depth corresponding to the maximum value of the fourth measured value as an optimal insertion depth; adjusting the real-time insertion depth of the five-dimensional adjusting frame 101 to the optimal insertion depth; adjusting the real-time insertion depth of the five-dimensional adjusting frame 101 to the optimal insertion depth;
the system further comprises a UV sealing module 107, wherein the UV sealing module 107 is used for coating a circle of UV glue on the outer boundary of the tail fiber 303 and the glass sleeve 302 and carrying out ultraviolet exposure curing on the UV glue.
In this embodiment, the glass sleeve 302 is glued while the optimum rotation angle is chosen so that the slope of the pigtail 303 corresponds to the slope of the C-lens 301, saving process time. In this embodiment, the optimal installation parameters of the pigtails 303 in each dimension are obtained by adjusting the pigtails 303 and measuring the values of the power meter 105 in real time, so that the performance of the optical fiber collimator 300 is better; in this embodiment, the reason why the rotation operation is used as the first step of the measurement and adjustment of the installation parameters of the pigtail 303 is that whether the inclined surface of the C lens 301 and the inclined surface of the pigtail 303 have the largest influence on the performance of the fiber collimator 300, and placing the C lens 301 and the inclined surface of the pigtail 303 in the first step effectively improves the performance of the fiber collimator 300 and the installation and adjustment efficiency of the pigtail 303. In this embodiment, the sizing step is advanced from the adjusting step, so as to avoid the need to install the tail fiber 303 again after adjusting and sizing, and the second loaded tail fiber 303 still needs to be loaded by air.
In this embodiment, before coating a circle of UV glue on the outer boundary of the pigtail 303 and the glass sleeve 302, the excess first thermal curing glue on the outer boundary of the pigtail 303 and the glass sleeve 302 should be wiped.
In this embodiment, the set time of the UV sealing module 107 is 5 seconds to 60 seconds.
In this embodiment, the system further includes:
a first thermosetting device 108 for performing a first thermosetting of the glass sleeve 302 on which the pigtail 303 is mounted;
the second thermosetting device 109 is configured to perform second thermosetting on the optical fiber collimator 300 after coating a second thermosetting adhesive outside the glass sleeve 302 and sleeving and installing the first metal tube; wherein, after the second thermosetting is completed, the first metal tube and the glass sleeve 302 are fixedly connected through the second thermosetting adhesive.
In this embodiment, the main controller 200 further includes:
an insertion transmittance solving module 211 for solving a ratio between a maximum value of the fourth measurement value and the power of the first light source;
the quality detection module 212 is used for responding to the condition that the ratio is smaller than a first preset value and outputting a disqualified instruction; and responding to the condition that the ratio is greater than or equal to the first preset value, and outputting a qualified instruction.
In this embodiment, the insertion loss condition of the pigtail 303 is obtained by testing the ratio between the maximum value of the fourth measurement value and the power of the first light source, and whether the period is qualified or not is determined, so that the unqualified period is discarded.
In this embodiment, the main controller 200 further includes:
a preset insertion depth adjusting module 213 for obtaining the optimal insertion depth H according to the history of the fiber collimators 300 of the batchiSolving for the optimal insertion depth HiAverage value of (2)
Adjusting the preset insertion depth h; the preset insertion depth
Δ H is a preset tolerance; the i is a number, and the i is a positive integer.
In the present embodiment, the depth of insertion H is optimized by solving for the optimal insertion depthiAverage value of (2)
So as to adaptively adjust the preset insertion depth, and the subsequent devices can be debugged better.
Optionally, Δ H is not less than 2mm and not more than 20 mm.
In the present embodiment, the curing temperature of the first heat curing is 80 ℃ to 120 ℃, and the curing time of the first heat curing is 3 hours.
Optionally, the glass sleeve 302 with the tail fiber 303 installed is placed into an oven, and baked at 85 ℃ for 1 hour and at 110 ℃ for 2 hours.
In the present embodiment, the curing temperature of the second heat curing is 80 ℃ to 120 ℃, and the curing time of the second heat curing is 3 hours.
Optionally, the optical fiber collimator 300 sleeved with the first metal tube is placed in an oven, and baked at 85 ℃ for 1 hour and 110 ℃ for 2 hours.
In a second embodiment of the present invention, as shown in fig. 1-3, there is provided a process for packaging a high-speed optical fiber collimator, the process comprising:
step S1, obtaining tail fiber packaging parameters preset by the batch of optical fiber collimators; the tail fiber packaging parameters comprise: inserting the tail fiber into a preset insertion depth of a glass sleeve of the optical fiber collimator;
step S2, fixing the glass sleeve with the C lens installed on the fixed side of a five-dimensional adjusting frame of a testing machine; when the tester is used for installing the tail fiber, the five-dimensional adjusting frame is driven to control the tail fiber to execute rotation operation, transverse movement operation, longitudinal movement operation and/or deflection angle adjusting operation; the power meter is used for testing the insertion loss of the optical fiber collimator; the tester comprises the five-dimensional adjusting frame, a light source generator, a coupler, a reflector and a power meter; the light source generator emits a first light source to the coupler and the optical fiber collimator, transmits the light source to the reflector for reflection, and is subjected to receiving test by the optical fiber collimator and the coupler again;
step S3, taking a tail fiber, fixing the head of the tail fiber on the adjusting side of the five-dimensional adjusting rack of the tester, smearing a circle of first heat curing glue at a position, away from an inclined plane 1/4-1/2, of the head of the tail fiber, and connecting the tail fiber with the coupler;
step S4, controlling the five-dimensional adjusting frame to execute the longitudinal movement operation and drive the tail fiber to axially move and insert into one end of the glass sleeve opposite to the C lens according to the preset insertion depth;
step S5, starting the light source generator, controlling the five-dimensional adjusting rack to perform the rotating operation and driving the pigtail to axially move for one to two weeks so that the first thermosetting adhesive is filled in a gap space between the glass sleeve and the pigtail, and recording a rotating angle of the five-dimensional adjusting rack and a first measurement value acquired by the power meter in real time;
step S6, selecting the rotation angle corresponding to the maximum value of the first measurement value as an optimal rotation angle according to the first measurement value; adjusting the rotation angle of the five-dimensional adjustment frame to the optimal rotation angle;
step S7, starting the light source generator, controlling the five-dimensional adjusting frame to execute the traversing operation and driving the tail fiber to move on a vertical surface, and recording the XY coordinates of the five-dimensional adjusting frame executing the traversing operation and a second measurement value acquired by the power meter in real time;
s8, selecting the XY coordinate corresponding to the maximum value of the second measurement value as the optimal traversing coordinate according to the second measurement value; adjusting the XY coordinates of the five-dimensional adjusting frame on a vertical plane to be the optimal traversing coordinates;
step S9, starting the light source generator, controlling the five-dimensional adjusting rack to execute the deflection angle adjusting operation and drive the tail fiber to adjust the pitch angle, and recording the pitch angle of the five-dimensional adjusting rack executing the deflection angle adjusting operation and a third measured value acquired by the power meter in real time;
step S10, selecting the pitch angle corresponding to the maximum value of the third measured value as the optimal pitch angle according to the third measured value; adjusting the pitch angle of the five-dimensional adjusting frame to be the optimal pitch angle;
step S9, starting the light source generator, controlling the five-dimensional adjusting rack to execute the longitudinal movement operation to adjust the real-time insertion depth of the tail fiber, and recording the real-time insertion depth of the longitudinal movement operation executed by the five-dimensional adjusting rack and a fourth measured value acquired by the power meter in real time;
step S10, according to the fourth measurement value, selecting the real-time insertion depth corresponding to the maximum value of the fourth measurement value as the optimal insertion depth; adjusting the real-time insertion depth of the five-dimensional adjusting frame to the optimal insertion depth; adjusting the real-time insertion depth of the five-dimensional adjusting frame to the optimal insertion depth;
and S11, coating a circle of UV glue at the outer boundary of the tail fiber and the glass sleeve, and carrying out ultraviolet exposure curing on the UV glue.
In the embodiment, when the optimal rotation angle is selected so that the tail fiber inclined plane corresponds to the C lens inclined plane, the glass sleeve is coated with glue, and the working procedure time is saved. In the embodiment, the optimal tail fiber installation parameters in each dimension are obtained by adjusting the tail fibers and measuring the numerical value of the power meter in real time, so that the optical fiber collimator has better performance; in this embodiment, the rotation operation is used as the first step of the measurement and adjustment of the installation parameters of the pigtail, because whether the inclined plane of the C lens and the inclined plane of the pigtail have the largest influence on the performance of the optical fiber collimator, and the rotation operation is placed in the first step, so that the performance of the optical fiber collimator and the installation and adjustment efficiency of the pigtail are effectively improved. In this embodiment, the sizing step is advanced from the adjusting step, so as to avoid the need to install the tail fiber again after the sizing step is performed, and the second loaded tail fiber still needs to be loaded by air.
In this embodiment, before the step S11, the method further includes:
step S11A: and wiping the redundant first heat curing adhesive at the outer junction of the tail fiber and the glass sleeve.
In the present embodiment, in the step S11, the duration of the uv exposure curing is 5 seconds to 60 seconds.
In this embodiment, the process further includes:
step S12, placing the glass sleeve with the tail fiber installed in a heat curing cavity to perform first heat curing;
step S13, coating a second heat curing adhesive outside the glass sleeve, and sleeving and installing a first metal pipe;
step S14, placing the optical fiber collimator sleeved with the first metal tube into a heat curing cavity to perform second heat curing; and after the second thermosetting is finished, fixedly connecting the first metal pipe and the glass sleeve through the second thermosetting adhesive.
In this embodiment, in step S10, the method further includes:
step S10A, solving the ratio between the maximum value of the fourth measurement value and the power of the first light source;
step S10B, responding to the ratio smaller than a first preset value, and outputting a disqualification instruction; and responding to the condition that the ratio is greater than or equal to the first preset value, and outputting a qualified instruction.
In this embodiment, the situation of the ratio between the maximum value of the fourth measurement value and the power of the first light source is tested to obtain the situation of the insertion loss of the pigtail, and whether the period is qualified or not is judged so as to discard the unqualified period.
In this embodiment, after the step S10, the process further includes:
step S10C, obtaining the optimal insertion depth H according to the history of the fiber collimators of the current batchiSolving for the optimal insertion depth HiAverage value of (2)
Adjusting the preset insertion depth h; the preset insertion depth
Δ H is a preset tolerance; the i is a number, and the i is a positive integer.
In the present embodiment, the depth of insertion H is optimized by solving for the optimal insertion depthiAverage value of (H)iSo as to adaptively adjust the preset insertion depth, and therefore, the subsequent device can be better debugged.
Optionally, Δ H is not less than 2mm and not more than 20 mm.
In the present embodiment, in the step S12, the curing temperature of the first heat curing is 80 ℃ to 120 ℃, and the curing time of the first heat curing is 3 hours.
Optionally, the glass sleeve with the tail fiber mounted thereon is placed in an oven, and baked at 85 ℃ for 1 hour and 110 ℃ for 2 hours.
In the present embodiment, in the step S14, the curing temperature of the second heat curing is 80 ℃ to 120 ℃, and the curing time of the second heat curing is 3 hours.
Optionally, the optical fiber collimator sleeved with the first metal tube is placed into an oven and baked at 85 ℃ for 1 hour, and at 110 ℃ for 2 hours.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A high-speed optical fiber collimator packaging online detection and adjustment system is characterized in that the system is used for mounting and combining a glass sleeve provided with a C lens and a tail fiber to form an optical fiber collimator; the system comprises: the device comprises a five-dimensional adjusting frame, a light source generator, a coupler, a reflector, a power meter, an ultraviolet exposure machine and a main controller; the five-dimensional adjusting frame is used for carrying tail fibers and executing rotation operation, transverse movement operation, longitudinal movement operation and/or deflection angle adjusting operation; the light source generator is used for emitting a first light source, the first light source is transmitted to the reflector through the coupler and the optical fiber collimator to be reflected, and the first light source is received and tested by the optical fiber collimator and the coupler for the power meter again; the power meter is used for testing the insertion loss of the optical fiber collimator; the main controller includes:
the tail fiber packaging parameter acquisition module is used for acquiring tail fiber packaging parameters preset by the batch of optical fiber collimators; the tail fiber packaging parameters comprise: inserting the tail fiber into a preset insertion depth of a glass sleeve of the optical fiber collimator;
the pre-loading control module is used for controlling the five-dimensional adjusting rack to execute the longitudinal movement operation and driving the tail fiber to axially move and insert into one end, opposite to the C lens, of the glass sleeve according to the preset insertion depth after the glass sleeve is fixed on the fixing side of the five-dimensional adjusting rack, the head of the tail fiber is fixed on the adjusting side of the five-dimensional adjusting rack, a circle of first heat curing glue is coated on the position, away from an inclined plane 1/4-1/2, of the head of the tail fiber, and the tail fiber is connected with the coupler;
the first parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the rotating operation and driving the tail fiber to axially move for one to two circles so as to enable the first thermosetting adhesive to be filled in a gap space between the glass sleeve and the tail fiber, and recording the rotating angle of the five-dimensional adjusting frame and a first measurement value acquired by the power meter in real time;
the first parameter determining module is used for selecting the rotation angle corresponding to the maximum value of the first measurement value as an optimal rotation angle according to the first measurement value; adjusting the rotation angle of the five-dimensional adjustment frame to the optimal rotation angle;
the second parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the transverse moving operation and driving the tail fiber to move on a vertical surface, and recording XY coordinates of the five-dimensional adjusting frame executing the transverse moving operation and a second measurement value acquired by the power meter in real time;
the second parameter determining module is used for selecting the XY coordinate corresponding to the maximum value of the second measured value as the optimal traversing coordinate according to the second measured value; adjusting the XY coordinates of the five-dimensional adjusting frame on a vertical plane to be the optimal traversing coordinates;
the third parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the deflection angle adjusting operation and drive the tail fiber to adjust the pitch angle, and recording the pitch angle of the five-dimensional adjusting frame executing the deflection angle adjusting operation and a third measurement value acquired by the power meter in real time;
the third parameter determining module is used for selecting the pitch angle corresponding to the maximum value of the third measured value as an optimal pitch angle according to the third measured value; adjusting the pitch angle of the five-dimensional adjusting frame to be the optimal pitch angle;
the fourth parameter measurement module is used for starting the light source generator, controlling the five-dimensional adjusting frame to execute the longitudinal movement operation to adjust the real-time insertion depth of the tail fiber, and recording the real-time insertion depth of the longitudinal movement operation executed by the five-dimensional adjusting frame and a fourth measurement value acquired by the power meter in real time;
the fourth parameter determining module is used for selecting the real-time insertion depth corresponding to the maximum value of the fourth measurement value as the optimal insertion depth according to the fourth measurement value; adjusting the real-time insertion depth of the five-dimensional adjusting frame to the optimal insertion depth; adjusting the real-time insertion depth of the five-dimensional adjusting frame to the optimal insertion depth;
the system further comprises a UV sealing module, wherein the UV sealing module is used for coating a circle of UV glue on the outer junction of the tail fiber and the glass sleeve, and carrying out ultraviolet exposure curing on the UV glue.
2. The high-speed optical fiber collimator package on-line detecting and adjusting system of claim 1, wherein before a ring of UV glue is coated on the outer boundary of the pigtail and the glass sleeve, an excess of the first heat-curable glue on the outer boundary of the pigtail and the glass sleeve should be wiped.
3. The high-speed optical fiber collimator packaging online detection and adjustment system as claimed in claim 1, wherein the set duration of the UV exposure curing of the UV sealing module is 5 seconds to 60 seconds.
4. The high-speed fiber collimator package in-line inspection and adjustment system of claim 1, further comprising:
the first heat curing equipment is used for performing first heat curing on the glass sleeve with the tail fiber installed;
the second thermosetting equipment is used for coating second thermosetting glue outside the glass sleeve and performing second thermosetting on the optical fiber collimator after the first metal pipe is sleeved and installed; and after the second thermosetting is finished, fixedly connecting the first metal pipe and the glass sleeve through the second thermosetting adhesive.
5. The high-speed optical fiber collimator package in-line detection and adjustment system of claim 1, wherein the main controller further comprises:
an insertion transmittance solving module for solving a ratio between a maximum value of the fourth measurement value and the power of the first light source;
the quality detection module is used for responding to the condition that the ratio is smaller than a first preset value and outputting a disqualified instruction; and responding to the condition that the ratio is greater than or equal to the first preset value, and outputting a qualified instruction.
6. The high-speed optical fiber collimator package in-line detection and adjustment system of claim 1, wherein the main controller further comprises:
a preset insertion depth adjusting module for obtaining the optimal insertion depth H according to the history of the fiber collimators of the batchiSolving for the optimal insertion depth HiAverage value of (2)
Adjusting the preset insertion depth h; the preset insertion depth
Δ H is a preset tolerance; the i is a number, and the i is a positive integer.
7. The high-speed optical fiber collimator packaging online detection and adjustment system of claim 4, wherein the curing temperature of the first thermal curing is 80 ℃ to 120 ℃, and the curing time of the first thermal curing is 3 hours.
8. The high-speed optical fiber collimator packaging online detection and adjustment system of claim 4, wherein the curing temperature of the second thermal curing is 80 ℃ to 120 ℃, and the curing time of the second thermal curing is 3 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010025986.3A CN111198094A (en) | 2020-01-10 | 2020-01-10 | High-speed optical fiber collimator packaging online detection and adjustment system |
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| CN202010025986.3A CN111198094A (en) | 2020-01-10 | 2020-01-10 | High-speed optical fiber collimator packaging online detection and adjustment system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376755A (en) * | 2021-04-29 | 2021-09-10 | 中国电子科技集团公司第十四研究所 | Device and method for adjusting optical fiber collimator of multi-path optical fiber rotary connector |
| CN113419309A (en) * | 2021-05-21 | 2021-09-21 | 中国电子科技集团公司第十四研究所 | Optical fiber collimator of multi-path optical fiber rotary connector and fixing method thereof |
| CN115014713A (en) * | 2022-05-13 | 2022-09-06 | 中国科学院高能物理研究所 | Ultraviolet parallel light detection device and detection method for micro-channel plate collimator |
| CN115201969A (en) * | 2022-07-27 | 2022-10-18 | 常州莱特康光电科技有限公司 | Method for manufacturing polarization-maintaining optical fiber collimator and polarization-maintaining optical fiber collimator |
-
2020
- 2020-01-10 CN CN202010025986.3A patent/CN111198094A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376755A (en) * | 2021-04-29 | 2021-09-10 | 中国电子科技集团公司第十四研究所 | Device and method for adjusting optical fiber collimator of multi-path optical fiber rotary connector |
| CN113419309A (en) * | 2021-05-21 | 2021-09-21 | 中国电子科技集团公司第十四研究所 | Optical fiber collimator of multi-path optical fiber rotary connector and fixing method thereof |
| CN115014713A (en) * | 2022-05-13 | 2022-09-06 | 中国科学院高能物理研究所 | Ultraviolet parallel light detection device and detection method for micro-channel plate collimator |
| CN115201969A (en) * | 2022-07-27 | 2022-10-18 | 常州莱特康光电科技有限公司 | Method for manufacturing polarization-maintaining optical fiber collimator and polarization-maintaining optical fiber collimator |
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Application publication date: 20200526 |