CN107202679A - A kind of photoelectric integral type test system and photoelectric test method - Google Patents
A kind of photoelectric integral type test system and photoelectric test method Download PDFInfo
- Publication number
- CN107202679A CN107202679A CN201710579394.4A CN201710579394A CN107202679A CN 107202679 A CN107202679 A CN 107202679A CN 201710579394 A CN201710579394 A CN 201710579394A CN 107202679 A CN107202679 A CN 107202679A
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- photoelectric
- light source
- sliding table
- slide rail
- lifting sliding
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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
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention discloses a kind of photoelectric integral type test system and photoelectric test method, it is related to technical field of photoelectricity test.The system includes：The slide rail of line with a scale is provided with light source supporting table；It is provided with slide rail and a lifting rotating disc with a scale is provided with lifting sliding table, lifting sliding table and mobile sliding bright；The groove of multiple different radiis is provided with the top surface of fiber support platform；Optical fiber is placed with groove；Hot spot amplifying display screen is detachably arranged at fiber support platform rear end face, and is provided with grid with a scale；Photoelectric processing circuit board is electrically connected with photodetector；The present invention is by by light source supporting table and fiber support platform integrated setting, it is only necessary to finely tunes light source and achieves that the preferable incident optical end face of light source, the problem of solving regulation light source and difficult fiber end face relative position；There is scale mark on two regulation directions, this position adjusted is had accurate data record, in experiment or contrast experiment is repeated, accuracy is high, and experiment effect is good.
Description
Technical field
The present invention relates to technical field of photoelectricity test, a kind of photoelectric integral type test system and photoelectric measuring are more particularly related to
Method for testing.
Background technology
In recent years, continuing to develop with science and technology, optical fiber has been enter into each application field.The classification of optical fiber is mainly from work
Wavelength, index distribution, transmission mode, raw material and manufacture method are classified：Operation wavelength：UV fiber, considerable optical fiber,
Near-infrared fibre-optical, infrared optical fiber；Index distribution：Step index fiber, nearly step index fiber, graded fiber, other (such as triangles
Type, W types, umbilicate type etc.)；Transmission mode：Single-mode fiber (containing polarization-maintaining fiber, Polarization Holding Fibers), multimode fibre；It is former
Material：Silica fibre, multicomponent glass optical fiber, plastic optical fiber, composite material fiber, infra-red material etc.；Manufacture method：Preformed has
Vapor-phase axial deposition, chemical vapor deposition etc., fiber elongation method have pipe law and double crucible method etc..The application of optical fiber mainly includes：Light
Fiber communication and Fibre Optical Sensor, this is required for studying the characteristic of different optical fiber to be applied to suitable field, in research light
Then need to build photoelectric test system to study the electricity performance characteristic of its optical characteristics and optical signal during fine characteristic.
Because the basic structure of different optical fiber is identical, therefore when studying optic fibre characteristic, the basic phase of its method of testing
Together, i.e. light source is by detecting the electric signal after optical signal and light conversion after optical fiber.But, the light for inciding fiber end face can not
All transmitted by optical fiber, simply the incident light in some angular range just can be with it is thus typically necessary to which it be relative to adjust light source
The position of fiber end face, however, the relative position of the accurate at present and repeatable regulation light source reproduced and fiber end face is to compare
Difficult.
In summary, optical fiber photoelectric test system of the prior art, the relative position that there is regulation light source and fiber end face
The problem of putting difficulty.
The content of the invention
The embodiment of the present invention provides a kind of photoelectric integral type test system and photoelectric test method, to solve prior art
The problem of middle relative position in the presence of regulation light source and fiber end face is difficult.
The embodiment of the present invention provides a kind of photoelectric integral type test system, including：Testboard, light source supporting table, optical fiber branch
Support platform, hot spot amplifying display screen, photodetection platform, photoelectric processing circuit board and test suite；
The light source supporting table is arranged on the test countertop；The first slide rail is provided with the light source supporting table,
And glide direction is provided with graduation mark on first slide rail；The first lifting sliding table is provided with first slide rail, it is described
It is provided with first lifting sliding table on the first lifting rotating disc with a scale, and first lifting sliding table and is provided with the first shifting
Dynamic cunning is bright；Light source is fixed with first lifting sliding table；
The fiber support platform is arranged on the test countertop；It is provided with the top surface of the fiber support platform multiple
The groove of different radii；It is placed with the groove before optical fiber, the transmitting light center line of the light source and the fiber support platform
End face face is vertical, and the transmitting light center line height of the light source and the intermediate groove in the groove of multiple different radiis
Position correspondence；
The hot spot amplifying display screen is detachably arranged at the fiber support platform rear end face, the fiber support platform
Rear end face, which is located on the hot spot amplifying display screen center, and the hot spot amplifying display screen, is provided with net with a scale
Lattice；
The photodetection platform is arranged at the fiber support platform rear end face；Second is provided with the photodetection platform
Glide direction is provided with graduation mark on slide rail, and second slide rail；The second lifting sliding table is provided with second slide rail,
It is provided with second lifting sliding table on the second lifting rotating disc with a scale, and second lifting sliding table and is provided with
One movement cunning is bright；Photodetector is fixed with second lifting sliding table；
The photoelectric processing circuit board and the test suite are embedded on the test countertop；The photoelectric processing
Circuit board is electrically connected with the photodetector；The test suite includes：Current Voltage test suite, signal generating assembly,
Oscillography device assembly and dc source component.
It is preferred that the light source uses LASER Light Source.
It is preferred that the center of first slide rail is zero graduation line, the side of the first slide rail zero graduation line is positive number,
And the opposite side of the first slide rail zero graduation line is negative；The center of second slide rail is zero graduation line, described second
The side of slide rail zero graduation line is positive number, and the opposite side of the second slide rail zero graduation line is negative.
It is preferred that the optical fiber by adhesive tape bonding in the groove.
It is preferred that the photoelectric processing circuit board, including：Photoelectric switching circuit, filter amplification circuit and signal transacting electricity
Road.
The embodiment of the present invention provides a kind of photoelectric test method, including：
Optical fiber is placed in the groove most matched with fiber size；
Adjusted by the horizontal level of the first movement the first lifting sliding table of sliding bright regulation, and by the first lifting rotating disc
The height of first lifting sliding table, makes the incident light center line of light source corresponding with optical fiber front end face position；And remembered by graduation mark
Record the position of the first lifting sliding table；
Emergent light hot spot is observed by the hot spot amplifying display screen of grid with a scale；And record the structure and size of hot spot
And position；
Remove hot spot amplifying display screen, pass through the horizontal level of the second movement the second lifting sliding table of sliding bright regulation, Yi Jitong
The height that the second lifting rotating disc adjusts the second lifting sliding table is crossed, makes fiber exit light center line and photodetector rear end face position
Put correspondence；And the position of lifting sliding table by graduation mark record the；
Fiber exit optical signal is received by photodetector, optical signal is carried out at photoelectricity by photoelectric processing circuit board
Reason, and the electric signal after optical signal conversion is tested by test suite.
There is provided a kind of photoelectric integral type test system and photoelectric test method in the embodiment of the present invention, with prior art phase
Than its advantage is as follows：
The present invention is by by light source supporting table and fiber support platform integrated setting, making the relative position of light source and fiber end face
Fixation is put, that is, only needs to fine setting light source and achieves that the preferable incident optical end face of light source, exist in the prior art so as to solve
The problem of relative position of regulation light source and fiber end face is difficult；Meanwhile, fine tuning structure of the invention only need to height-fine adjustment and
Fine setting moves horizontally distance (moving horizontally direction parallel with fiber end face), and has scale mark on two regulation directions,
This position adjusted is set to have accurate data record, in experiment or contrast experiment is repeated, accuracy is high, and experiment effect is good.
The present invention at optical fiber rear end face by setting hot spot amplifying display screen, and optical fiber rear end face amplifies display with hot spot
Screen parallel position is fixed, i.e., multiplication factor is fixed, and scale grid is provided with hot spot amplifying display screen, can be intuitively quick
Hot spot structure snd size are analyzed, reliable basis are provided for further further investigation optic fibre characteristic.
The present invention by setting photodetector, opto-electronic conversion process circuit and electrical testing component at optical fiber rear end face,
It is achieved thereby that the electrical characteristics after optical signal conversion, are handled by the calculating to photoelectric parameter, complete the photoelectricity of optic fibre characteristic
Test.
Brief description of the drawings
Fig. 1 is a kind of photoelectric integral type test system structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the first lifting sliding table in a kind of photoelectric integral type test system provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of photoelectric test method flow chart provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is a kind of photoelectric integral type test system structure schematic diagram provided in an embodiment of the present invention；Fig. 2 is real for the present invention
The structural representation of first lifting sliding table in a kind of photoelectric integral type test system of example offer is provided.As depicted in figs. 1 and 2, should
System includes：Testboard 1, light source supporting table 2, fiber support platform 3, hot spot amplifying display screen 4, photodetection platform 5, photoelectric processing
Circuit board 6 and test suite 7.
Specifically, light source supporting table 2 is arranged on the top surface of testboard 1；The first slide rail 21 is provided with light source supporting table 2,
And first be provided with graduation mark on slide rail 21 along glide direction；The first lifting sliding table 22, first liter are provided with first slide rail 21
The first lifting rotating disc 221 with a scale is provided with drop slide unit 22, and the first movement is provided with the first lifting sliding table 22
Sliding bright 211；Light source is fixed with first lifting sliding table 22.
It should be noted that light source 1 uses LASER Light Source.
It should be noted that the center of the first slide rail 21 is zero graduation line, the side of the zero graduation line of the first slide rail 21 is just
Number, and the opposite side of the zero graduation line of the first slide rail 21 is negative.
Specifically, fiber support platform 3 is arranged on the top surface of testboard 1；Be provided with the top surface of fiber support platform 3 it is multiple not
With the groove 31 of radius；Optical fiber is placed with groove 31, transmitting light center line and the front end face face of fiber support platform 3 of light source are hung down
Directly, and light source transmitting light center line height it is corresponding with the position of intermediate groove 31 in the groove 31 of multiple different radiis.
It should be noted that optical fiber by adhesive tape bonding in groove 31.
It should be noted that the present invention is by by light source supporting table and fiber support platform integrated setting, making light source and light
The relative position of fine end face is fixed, that is, is only needed to fine setting light source and achieved that the preferable incident optical end face of light source, so as to solve
The problem of there is the relative position difficulty for adjusting light source and fiber end face in the prior art；Meanwhile, fine tuning structure of the invention is only
Need height-fine adjustment and fine setting to move horizontally distance (moving horizontally direction parallel with fiber end face), and adjusted at two on direction
There is scale mark, this position adjusted is had accurate data record, in experiment or contrast experiment is repeated, accuracy
Height, experiment effect is good.
Specifically, hot spot amplifying display screen 4 is detachably arranged at the rear end face of fiber support platform 3, after fiber support platform 3
End face is located at the center of hot spot amplifying display screen 4, and grid with a scale is provided with hot spot amplifying display screen 4.
It should be noted that the present invention at optical fiber rear end face by setting hot spot amplifying display screen, and optical fiber rear end face
Fixed with hot spot amplifying display screen parallel position, i.e., multiplication factor is fixed, and scale net is provided with hot spot amplifying display screen
Lattice, can quick analysis hot spot structure snd size directly perceived, provide reliable basis for further further investigation optic fibre characteristic.
Specifically, photodetection platform 5 is arranged at the rear end face of fiber support platform 3；The second cunning is provided with photodetection platform 5
Glide direction is provided with graduation mark on rail 51, and the second slide rail 51；The second lifting sliding table 52 is provided with second slide rail 51, the
The second lifting rotating disc 521 with a scale is provided with two lifting sliding tables 52, and first is provided with the second lifting sliding table 52
Mobile sliding bright 511；Photodetector is fixed with second lifting sliding table 52.
It should be noted that the center of the second slide rail 51 is zero graduation line, the side of the zero graduation line of the second slide rail 51 is just
Number, and the opposite side of the zero graduation line of the second slide rail 51 is negative.
Specifically, photoelectric processing circuit board 6 and test suite 7 are embedded on the top surface of testboard 1；Photoelectric processing circuit board
6 electrically connect with photodetector；Test suite 7 includes：Current Voltage test suite, signal generating assembly, oscillography device assembly and
Dc source component.
It should be noted that photoelectric processing circuit board 6, including：Photoelectric switching circuit, filter amplification circuit and signal transacting
Circuit.
It should be noted that the present invention at optical fiber rear end face by setting photodetector, opto-electronic conversion process circuit
With electrical testing component, it is achieved thereby that the electrical characteristics after optical signal conversion, by handling the calculating of photoelectric parameter, complete light
The photoelectricity test of fine characteristic.
Fig. 3 is a kind of photoelectric test method flow chart provided in an embodiment of the present invention.As shown in figure 3, this method includes：
Step S201, optical fiber is placed in the groove most matched with fiber size.
Step S202, by the horizontal level of the first movement the first lifting sliding table of sliding bright regulation, and passes through the first lifting
Rotating disk adjusts the height of the first lifting sliding table, makes the incident light center line of light source corresponding with optical fiber front end face position；And lead to
Scaleover line records the position of the first lifting sliding table.
Step S203, emergent light hot spot is observed by the hot spot amplifying display screen of grid with a scale；And record hot spot
Structure and size and position.
Step S204, removes hot spot amplifying display screen, passes through the horizontal position of the second movement the second lifting sliding table of sliding bright regulation
Put, and the height of the second lifting sliding table is adjusted by the second lifting rotating disc, make fiber exit light center line and photodetection
Device rear end face position correspondence；And the position of lifting sliding table by graduation mark record the.
Step S205, receives fiber exit optical signal, by photoelectric processing circuit board to optical signal by photodetector
Photoelectric processing is carried out, and the electric signal after optical signal conversion is tested by test suite.
Based on same inventive concept, the embodiments of the invention provide a kind of photoelectric test method, because this method solves skill
The principle of art problem is similar to a kind of photoelectric integral type test system, therefore the implementation of this method may refer to the implementation of system,
Part is repeated to repeat no more.
Disclosed above is only several specific embodiments of the present invention, and those skilled in the art can be to present invention progress
It is various to change with modification without departing from the spirit and scope of the present invention, if these modifications and variations of the present invention belong to the present invention
Within the scope of claim and its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.
Claims (6)
1. a kind of photoelectric integral type test system, it is characterised in that including：Testboard (1), light source supporting table (2), fiber support
Platform (3), hot spot amplifying display screen (4), photodetection platform (5), photoelectric processing circuit board (6) and test suite (7)；
The light source supporting table (2) is arranged on the testboard (1) top surface；First is provided with the light source supporting table (2)
Glide direction is provided with graduation mark on slide rail (21), and first slide rail (21)；It is provided with first slide rail (21)
The first lifting rotating disc (221) with a scale is provided with first lifting sliding table (22), first lifting sliding table (22), and
The first movement is provided with first lifting sliding table (22) and slides bright (211)；Light is fixed with first lifting sliding table (22)
Source；
The fiber support platform (3) is arranged on the testboard (1) top surface；Set on the top surface of the fiber support platform (3)
There is the groove (31) of multiple different radiis；Optical fiber, the transmitting light center line of the light source and institute are placed with the groove (31)
State fiber support platform (3) front end face face vertical, and the light source transmitting light center line height and the institute of multiple different radiis
State intermediate groove (31) position correspondence in groove (31)；
The hot spot amplifying display screen (4) is detachably arranged at fiber support platform (3) rear end face, the fiber support platform
(3) rear end face is located at hot spot amplifying display screen (4) center, and is set on the hot spot amplifying display screen (4)
There is grid with a scale；
The photodetection platform (5) is arranged at fiber support platform (3) rear end face；Set on the photodetection platform (5)
Have and glide direction is provided with graduation mark on the second slide rail (51), and second slide rail (51)；On second slide rail (51)
It is provided with the second lifting sliding table (52), second lifting sliding table (52) and is provided with the second lifting rotating disc with a scale
(521), and in second lifting sliding table (52) it is provided with the first movement and slides bright (511)；Second lifting sliding table (52)
On be fixed with photodetector；
The photoelectric processing circuit board (6) and the test suite (7) are embedded on the testboard (1) top surface；The light
Electric treatment circuit board (6) is electrically connected with the photodetector；The test suite (7) includes：Current Voltage test suite, letter
Number generating assembly, oscillography device assembly and dc source component.
2. photoelectric integral type test system as claimed in claim 1, it is characterised in that the light source (1) uses LASER Light Source.
3. photoelectric integral type test system as claimed in claim 1, it is characterised in that the center of first slide rail (21) is
Zero graduation line, the side of the first slide rail (21) zero graduation line is positive number, and first slide rail (21) zero graduation line
Opposite side is negative；The center of second slide rail (51) is zero graduation line, the side of the second slide rail (51) zero graduation line
It is negative for the opposite side of positive number, and second slide rail (51) zero graduation line.
4. photoelectric integral type test system as claimed in claim 1, it is characterised in that the optical fiber is by adhesive tape bonding in institute
State in groove (31).
5. photoelectric integral type test system as claimed in claim 1, it is characterised in that the photoelectric processing circuit board (6), bag
Include：Photoelectric switching circuit, filter amplification circuit and signal processing circuit.
6. a kind of photoelectric test method, it is characterised in that including：
Optical fiber is placed in the groove most matched with fiber size；
First is adjusted by the horizontal level of the first movement the first lifting sliding table of sliding bright regulation, and by the first lifting rotating disc
The height of lifting sliding table, makes the incident light center line of light source corresponding with optical fiber front end face position；And pass through graduation mark record the
The position of one lifting sliding table；
Emergent light hot spot is observed by the hot spot amplifying display screen of grid with a scale；And record structure and size and the position of hot spot
Put；
Remove hot spot amplifying display screen, by the horizontal level of the second movement the second lifting sliding table of sliding bright regulation, and pass through the
Two lifting rotating discs adjust the height of the second lifting sliding table, make fiber exit light center line and photodetector rear end face position pair
Should；And the position of lifting sliding table by graduation mark record the；
Fiber exit optical signal is received by photodetector, photoelectric processing is carried out to optical signal by photoelectric processing circuit board,
And the electric signal after being changed by test suite to optical signal is tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710579394.4A CN107202679A (en) | 2017-07-17 | 2017-07-17 | A kind of photoelectric integral type test system and photoelectric test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710579394.4A CN107202679A (en) | 2017-07-17 | 2017-07-17 | A kind of photoelectric integral type test system and photoelectric test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107202679A true CN107202679A (en) | 2017-09-26 |
Family
ID=59910926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710579394.4A Pending CN107202679A (en) | 2017-07-17 | 2017-07-17 | A kind of photoelectric integral type test system and photoelectric test method |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727362A (en) * | 2017-09-27 | 2018-02-23 | 南京春辉科技实业有限公司 | The detection means and its detection method of fibre bundle emergent light spot deviation value |
| CN112762819A (en) * | 2020-12-02 | 2021-05-07 | 北京机械工业自动化研究所有限公司 | Detection device and measurement method for precision detection of visual sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107374A1 (en) * | 1982-09-25 | 1984-05-02 | Renishaw plc | Displacement measuring apparatus |
| RU2028578C1 (en) * | 1990-09-13 | 1995-02-09 | Харьковский научно-исследовательский институт точного машиностроения | Method of measuring misalignment of optical fiber in connecting tip |
| CN1493846A (en) * | 2002-11-01 | 2004-05-05 | 中国科学技术大学 | Polymer optical fiber characteristic parameter testing apparatus and its testing method |
| CN2927042Y (en) * | 2006-06-08 | 2007-07-25 | 湖北众友科技实业股份有限公司 | Electro-optic modulating experimental equipment |
| CN202168083U (en) * | 2011-07-17 | 2012-03-14 | 湖北久之洋红外***有限公司 | Photoelectric detecting receiving device with large dynamic range |
| CN104501874A (en) * | 2014-12-31 | 2015-04-08 | 桂林铭瑶电子科技有限公司 | Optical fiber tester |
| CN105277497A (en) * | 2015-11-06 | 2016-01-27 | 浙江大学 | Device and method for detecting optical property parameters of agricultural products in continuous spectrum |
-
2017
- 2017-07-17 CN CN201710579394.4A patent/CN107202679A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0107374A1 (en) * | 1982-09-25 | 1984-05-02 | Renishaw plc | Displacement measuring apparatus |
| RU2028578C1 (en) * | 1990-09-13 | 1995-02-09 | Харьковский научно-исследовательский институт точного машиностроения | Method of measuring misalignment of optical fiber in connecting tip |
| CN1493846A (en) * | 2002-11-01 | 2004-05-05 | 中国科学技术大学 | Polymer optical fiber characteristic parameter testing apparatus and its testing method |
| CN2927042Y (en) * | 2006-06-08 | 2007-07-25 | 湖北众友科技实业股份有限公司 | Electro-optic modulating experimental equipment |
| CN202168083U (en) * | 2011-07-17 | 2012-03-14 | 湖北久之洋红外***有限公司 | Photoelectric detecting receiving device with large dynamic range |
| CN104501874A (en) * | 2014-12-31 | 2015-04-08 | 桂林铭瑶电子科技有限公司 | Optical fiber tester |
| CN105277497A (en) * | 2015-11-06 | 2016-01-27 | 浙江大学 | Device and method for detecting optical property parameters of agricultural products in continuous spectrum |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107727362A (en) * | 2017-09-27 | 2018-02-23 | 南京春辉科技实业有限公司 | The detection means and its detection method of fibre bundle emergent light spot deviation value |
| CN107727362B (en) * | 2017-09-27 | 2023-10-31 | 南京春辉科技实业有限公司 | Detection device and detection method for deviation value of emergent light spots of optical fiber bundle |
| CN112762819A (en) * | 2020-12-02 | 2021-05-07 | 北京机械工业自动化研究所有限公司 | Detection device and measurement method for precision detection of visual sensor |
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Application publication date: 20170926 |