CN202948214U - Automatic debugging assembling system of optical collimator - Google Patents
Automatic debugging assembling system of optical collimator Download PDFInfo
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- CN202948214U CN202948214U CN 201220633324 CN201220633324U CN202948214U CN 202948214 U CN202948214 U CN 202948214U CN 201220633324 CN201220633324 CN 201220633324 CN 201220633324 U CN201220633324 U CN 201220633324U CN 202948214 U CN202948214 U CN 202948214U
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- optical fiber
- contact pins
- fiber contact
- computer
- glass bushing
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Abstract
The utility model relates to manufacture of an optical collimator, in particular to an automatic debugging assembling system of the optical collimator. The automatic debugging assembling system overcomes the shortcomings in the prior art and can be used for manufacturing high-accuracy collimators. The automatic debugging assembling system is characterized by comprising a set of automatic fine tuning frame, a set of charge coupled device (CCD) imaging processing system, a laser light source, a set of beam quality analyzer and a computer. The automatic debugging assembling system avoids messy beam focusing procedures in manual optical collimator manufacture, shortens time for manufacturing the collimator and improves production efficiency. By using the automatic fine tuning frame and the optical quality analyzer, consistency of performance parameters of the optical collimator can be ensured, and simultaneously divergence angles and the size of emergent light spot of the optical collimator can be accurately controlled.
Description
Technical field
The utility model relates to the laser fiber technical field, relates in particular to the preparation of optical fiber collimator.
Technical background
At present, conventional optical fiber collimator structure is the two-piece-dress formula, is made of optical fiber head and the lens or the lens combination that play collimating effect.The manufacture process of traditional optical fiber collimator all must be completed by the relative position of manual debugging optical fiber head and collimation lens, i.e. complete manually preparation optical fiber collimator.
The method that tradition prepares optical fiber collimator mainly contains two kinds.As shown in Figure 1, a kind of is by micropositioning stage, the optical fiber contact pins of collimating apparatus 102 to be prepared and collimation lens and the standard collimating apparatus 103 for preparing to be regulated, utilize 101 variations through the collimating apparatus insertion loss of light power meter 104 monitoring light sources, insertion loss hour, debugging is completed.Obviously, this preparation method's prerequisite is that a standard sample is arranged, and the process of a making and criteria for selection sample must be arranged.As shown in Figure 2, another is by micropositioning stage, collimating apparatus 102 to be prepared to be exchanged with catoptron 106, light source 101 is through the collimation lens outgoing, outgoing beam is reflected back collimating apparatus through catoptron 106, use the optical branching device 105 of one-to-two, the light intensity of light power meter 104 monitoring received optical powers, when optical power value was maximum, debugging was completed.
Use manual regulating device to prepare collimating apparatus, need the manual operation micropositioning stage, debugging repeatedly, the staff is easily tired, inevitably have accidental error, when the staff be not sure optical fiber head and collimation lens apart from the time, also cause possibly the damage of optical fiber head or collimation lens.And only with the luminous power of light power meter monitoring optical fiber collimator outgoing beam, can't accurately grasp from the quality of collimating apparatus outgoing beam, the maximum prepared optical fiber collimator out of luminous power that receives when light power meter might not meet the requirements, as shown in Figure 3.The optical fiber collimator of 107 times preparations of obvious this convergent beam directly records optical power value with above two kinds of methods may reach maximum, but its reverse light path effect is undesirable, must further adjust, shorten the distance of optical fiber contact pins and collimation lens, this preparation process is comparatively loaded down with trivial details.
Along with improving constantly of optical device batch production demand, use manual debugging apparatus to prepare optical fiber collimator because preparation time is long, be difficult to satisfy the requirement of high efficiency; Simultaneously, along with the development of optical communication industry, the application of optical fiber collimator constantly enlarges, and the accuracy requirement of optical fiber collimator is improved constantly, the prepared collimating apparatus of method that adopts the manual adjustments micropositioning stage to debug and observe light power meter, its performance is difficult to meet the demands.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of automated debug assembly system of optical fiber collimator is provided, and can be used for the quick Fabrication high precision collimator.
For solving the problems of the technologies described above, technical solution of the present utility model is:
A kind of automated debug assembly system of optical fiber collimator is characterized in that: described system comprises a cover automatic fine tuning frame, a cover CCD imaging processing system, a LASER Light Source, cover beam quality analysis instrument and a computer.
Described automatic fine tuning frame is comprised of the micropositioning stage with motor; An optical fiber contact pins and the glass bushing with collimation lens for the preparation of optical fiber collimator are installed on micropositioning stage; Control motor by computer, motor can drive the relative position that micropositioning stage is regulated optical fiber contact pins and collimation lens; Make the end face of optical fiber contact pins parallel with the end face of collimation lens and make optical fiber contact pins enter glass bushing along the axis translation of glass bushing.
Described CCD imaging processing system comprises two CCD camera lenses and an image pick-up card; The image of optical fiber contact pins and glass bushing on CCD camera lens Real Time Monitoring horizontal direction, the image of optical fiber contact pins and glass bushing on another one CCD camera lens Real Time Monitoring vertical direction simultaneously; After the image of CCD on two faces that image pick-up card will collect was passed to computer, computer was processed in real time to image information, and glass bushing can be determined and be aimed at the axis of optical fiber contact pins.
Described beam quality analysis instrument comprises beam receiver spare and light beam imaging analysis unit; Described beam receiver spare receives LASER Light Source for the emergent light front end that is placed on collimation lens and sees through by optical fiber contact pins the light beam that collimation lens emits; Described light beam imaging analysis unit is used for the signal of receiving beam receiving device transmission and processes and analyze, and obtains emission angle and the diameter of receiving beam; Light beam imaging analysis unit monitors light beam and reaches when requiring in advance, sends and feeds back signal to computer, and computer sends control signal stops the automatic fine tuning frame.
The utility model can bring following beneficial effect:
It is loaded down with trivial details to the light path order in manual preparation optical fiber collimator that the utility model has been avoided, and shortened the time of preparation collimating apparatus, improved production efficiency.Use automatic fine tuning frame and beam quality analysis instrument, the consistance of the performance parameter of optical fiber collimator can be guaranteed, and also can set in advance parameter by computer simultaneously, accurately controls the angle of divergence, the outgoing spot size of optical fiber collimator.
Description of drawings
Fig. 1: the regulating device figure of Application standard collimating apparatus in prior art
Fig. 2: the installation drawing that uses catoptron to regulate in prior art
Fig. 3: preparation collimating apparatus schematic diagram in light beam convergence situation in prior art
Fig. 4: system principle diagram of the present utility model
Fig. 5 (a): the sectional view of optical fiber contact pins
Fig. 5 (b): the vertical view of optical fiber contact pins
Fig. 6 (a): with the sectional view of the glass bushing of collimation lens
Fig. 6 (b): with the vertical view of the glass bushing of collimation lens
Fig. 7: the process flow diagram of the automated debug process of optical fiber collimator
Fig. 8 (a): the first step schematic diagram of regulating optical fiber contact pins and collimation lens relative position
Fig. 8 (b): the second step schematic diagram of regulating optical fiber contact pins and collimation lens relative position
Fig. 8 (c): the 3rd step schematic diagram of regulating optical fiber contact pins and collimation lens relative position
Fig. 8 (d): the 4th step schematic diagram of regulating optical fiber contact pins and collimation lens relative position
Fig. 8 (e): the 5th step schematic diagram of regulating optical fiber contact pins and collimation lens relative position
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
For purpose technical scheme of the present invention and advantage more clearly are understood, now reach by reference to the accompanying drawings embodiment the present invention is described in further details.
Referring to Fig. 4, in Fig. 4,207 are the automatic fine tuning frame, and automatic fine tuning frame 207 is comprised of micropositioning stage 205 and supporting motor 206; Installing optical fibres contact pin 302 and with the glass bushing 305 of collimation lens 307 on micropositioning stage 205; Motor 206 can drive optical fiber contact pins 302 that micropositioning stage 205 adjustment is installed on it and the relative position of glass bushing 305 under the control of computer 215.Automatic fine tuning frame 207, CCD imaging processing system 214, beam quality analysis instrument 210 are controlled by same computer 215.CCD imaging processing system 214 comprises 211, one image pick-up cards 212 of two CCD camera lenses; The image of optical fiber contact pins 302 and glass bushing 305 on CCD camera lens Real Time Monitoring horizontal direction, the image of optical fiber contact pins 302 and glass bushing 305 on another one CCD camera lens Real Time Monitoring vertical direction simultaneously; After the image that image pick-up card 212 will collect CCD on two faces was passed to computer 215, computer 215 used 213 pairs of image informations of image processing softwares to process in real time, and glass bushing 305 can be determined and be aimed at the axis of optical fiber contact pins 302.Beam quality analysis instrument 210 comprises beam receiver spare 208 and light beam imaging analysis unit 209; Beam receiver spare 208 receives LASER Light Source 201 and sees through by optical fiber contact pins 302 light beam that collimation lens 307 emits, light beam imaging analysis unit 209 can record luminous power and the diameter that shows receiving beam, by at direction of beam propagation translation beam receiver spare 208, can calculate the angle of divergence of light beam.
Referring to Fig. 5 (a), optical fiber contact pins 302 is made for adopting single-mode fiber 301 to pass ceramic contact pin, and contact pin end face 303 is made 8 degree overturning angle end faces; In conjunction with referring to Fig. 5 (b), in optical fiber contact pins 302 surperficial upper end, the elongated mark line 304 of black of 5 millimeters * 0.005 millimeter is arranged, it is parallel with the contact pin axis, is convenient to the relative position that the CCD imaging processing system is regulated it and glass bushing 305.
Referring to Fig. 6 (a), collimation lens 307 has been installed in glass bushing 305 inside, and this collimation lens 307 can be GRIN Lens Grin-lens, can be also the lens that globe lens C-lens etc. plays collimating effect.Lens 307 end face 306 in glass bushing 305 is made oblique octave angle plane.In conjunction with referring to Fig. 6 (b), glass bushing 305 lateral surfaces have 5 millimeters * 0.005 millimeter elongated mark line 308 of black; Be convenient to the CCD imaging processing system and regulate the relative position of optical fiber contact pins 302 and glass bushing 305.
Adopt the present embodiment automated debug assembling optical fiber collimator process process flow diagram as shown in Figure 7, process flow diagram symbol used is done following explanation: optical fiber contact pins axis and glass bushing axis at the projection angle of surface level are
A l , distance is
D l , at the projection angle by glass bushing place vertical plane be
A v , distance is
D v , optical fiber contact pins mark line and axis at the projector distance of surface level are
D p , glass bushing mark line and axis at the projector distance of surface level are
D g ,
A c =arcsin
D g / 0.9-arcsin
D p / 0.9.
The debugging installation step of the present embodiment specifically describes as follows: at first, glass bushing 305 is fixed in surface level, then optical fiber contact pins 302 is placed on micropositioning stage 205, control motor 206 by computer 215, motor 206 drives micropositioning stage 205 rotates the optical fiber contact pins 302 that is installed on it on surface level, computer 215 adopts 213 pairs of CCD camera lenses of image processing software, 211 monitoring image information to carry out real-time analysis, and 213 needs of image processing software are processed the axis information of optical fiber contact pins 302 and glass bushing 305 simply.As shown in Fig. 8 (a), when CCD camera lens 211 monitors on this plane optical fiber contact pins 302 and glass bushing 305 axis when parallel, stop rotation on this plane by computer 215 transmitted signals; Equally, motor 206 drives micropositioning stage 205 rotates optical fiber contact pins 302 on the vertical plane of crossing glass bushing 305 axis, when CCD camera lens 211 monitors on this plane optical fiber contact pins 302 and glass bushing 305 axis when parallel, stop rotation on this plane by computer 215 transmitted signals.
next, as shown in Fig. 8 (b), on two planes that CCD camera lens 211 is monitored, controlling motors 206 by computer 215 drives micropositioning stages 205 and makes the optical fiber contact pins 302 that is installed on it and glass bushing 305 axis on the same straight line, as shown in Fig. 8 (c), rotate optical fiber contact pins 302 on perpendicular to the plane of glass bushing 305 axis, make elongated mark line 308 on elongated mark line 304 and the glass bushing 305 on optical fiber contact pins 302 on same straight line, this moment, the end face 303 of optical fiber contact pins 302 was parallel with the angled end-face 306 of lens 307, as shown in Fig. 8 (d), optical fiber contact pins 302 just can begin in the interior translation of glass bushing 305.
With LASER Light Source 201 output 1550nm wavelength lasers, at the emergent light front end of lens 307, place beam receiver spare 208, receiving plane and the direction of beam propagation of regulating beam receiver spare 208 are orthogonal.Beam receiver spare 208 can be in the direction of beam propagation translation.As shown in Fig. 8 (e), signal by unit 210 monitoring beam receiver spares 208 receptions of light beam imaging analysis, when beam divergence angle 401 and diameter 402 reach when requiring in advance, send and feed back signal to computer 215, computer 215 sends control signal, and that micropositioning stage 205 is stopped is mobile.This moment, preparation process was completed, can be to optical fiber contact pins 302 and glass bushing 305 gluings, fixing.
Claims (1)
1. the automated debug assembly system of an optical fiber collimator is characterized in that: described system comprises a cover automatic fine tuning frame, a cover CCD imaging processing system, a LASER Light Source, cover beam quality analysis instrument and a computer;
Described automatic fine tuning frame is comprised of the micropositioning stage with motor; An optical fiber contact pins and the glass bushing with collimation lens for the preparation of optical fiber collimator are installed on micropositioning stage; Control motor by computer, motor can drive the relative position that micropositioning stage is regulated optical fiber contact pins and collimation lens; Make the end face of optical fiber contact pins parallel with the end face of collimation lens and make optical fiber contact pins enter glass bushing along the axis translation of glass bushing;
Described CCD imaging processing system comprises two CCD camera lenses and an image pick-up card; The image of optical fiber contact pins and glass bushing on CCD camera lens Real Time Monitoring horizontal direction, the image of optical fiber contact pins and glass bushing on another one CCD camera lens Real Time Monitoring vertical direction simultaneously; After the image of CCD on two faces that image pick-up card will collect was passed to computer, computer was processed in real time to image information, and glass bushing can be determined and be aimed at the axis of optical fiber contact pins;
Described beam quality analysis instrument comprises beam receiver spare and light beam imaging analysis unit; Described beam receiver spare receives LASER Light Source for the emergent light front end that is placed on collimation lens and sees through by optical fiber contact pins the light beam that collimation lens emits; Described light beam imaging analysis unit is used for the signal of receiving beam receiving device transmission and processes and analyze, and obtains emission angle and the diameter of receiving beam; Light beam imaging analysis unit monitors light beam and reaches when requiring in advance, sends and feeds back signal to computer, and computer sends control signal stops the automatic fine tuning frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633324 CN202948214U (en) | 2012-11-26 | 2012-11-26 | Automatic debugging assembling system of optical collimator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633324 CN202948214U (en) | 2012-11-26 | 2012-11-26 | Automatic debugging assembling system of optical collimator |
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| CN202948214U true CN202948214U (en) | 2013-05-22 |
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| CN 201220633324 Expired - Fee Related CN202948214U (en) | 2012-11-26 | 2012-11-26 | Automatic debugging assembling system of optical collimator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646803A (en) * | 2016-12-12 | 2017-05-10 | 中国科学院苏州生物医学工程技术研究所 | Optical fiber collimator assembling and adjusting device |
| CN106767544A (en) * | 2016-12-29 | 2017-05-31 | 中国电子科技集团公司第三十四研究所 | The test system and method for testing of the depth of parallelism between a kind of optical fiber buncher fiber cores |
| CN107367794A (en) * | 2017-04-27 | 2017-11-21 | 上海中科创欣通讯设备有限公司 | Light method is looked in a kind of coupling of optical fiber collimator |
| CN108873179A (en) * | 2018-07-09 | 2018-11-23 | 南京华脉科技股份有限公司 | A kind of adjustment method of silicon substrate coarse wavelength division multiplexing device assembly |
| CN109458957A (en) * | 2018-12-27 | 2019-03-12 | 中国电子科技集团公司第三十四研究所 | Depth of parallelism test method between a kind of array fibre optical tweezer fiber cores |
| CN111897056A (en) * | 2020-08-18 | 2020-11-06 | 福州百讯光电有限公司 | Space disturbance removal collimator manufacturing device and method |
| CN112230342A (en) * | 2020-11-06 | 2021-01-15 | 飞秒光电科技(西安)有限公司 | High return loss coaxial collimator and assembling process thereof |
-
2012
- 2012-11-26 CN CN 201220633324 patent/CN202948214U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106646803A (en) * | 2016-12-12 | 2017-05-10 | 中国科学院苏州生物医学工程技术研究所 | Optical fiber collimator assembling and adjusting device |
| CN106767544A (en) * | 2016-12-29 | 2017-05-31 | 中国电子科技集团公司第三十四研究所 | The test system and method for testing of the depth of parallelism between a kind of optical fiber buncher fiber cores |
| CN106767544B (en) * | 2016-12-29 | 2023-05-12 | 中国电子科技集团公司第三十四研究所 | System and method for testing parallelism among optical fiber cores of optical fiber bundling device |
| CN107367794A (en) * | 2017-04-27 | 2017-11-21 | 上海中科创欣通讯设备有限公司 | Light method is looked in a kind of coupling of optical fiber collimator |
| CN108873179A (en) * | 2018-07-09 | 2018-11-23 | 南京华脉科技股份有限公司 | A kind of adjustment method of silicon substrate coarse wavelength division multiplexing device assembly |
| CN109458957A (en) * | 2018-12-27 | 2019-03-12 | 中国电子科技集团公司第三十四研究所 | Depth of parallelism test method between a kind of array fibre optical tweezer fiber cores |
| CN111897056A (en) * | 2020-08-18 | 2020-11-06 | 福州百讯光电有限公司 | Space disturbance removal collimator manufacturing device and method |
| CN111897056B (en) * | 2020-08-18 | 2024-03-22 | 福建中科百讯光电有限公司 | Collimator manufacturing device and method for spatial disturbance removal mode |
| CN112230342A (en) * | 2020-11-06 | 2021-01-15 | 飞秒光电科技(西安)有限公司 | High return loss coaxial collimator and assembling process thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160120 Address after: 200437 Shanghai city Yangpu District Yixian Road No. 135 Building 1 Room 408 Patentee after: TXSTAR LASER TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: 200437 Shanghai City, Yangpu District Shanghai Yixian Road, No. 135 Patentee before: CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO. 23 Research Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20211126 |