CN206301531U - A kind of laser speckle photography experiment instrument - Google Patents
A kind of laser speckle photography experiment instrument Download PDFInfo
- Publication number
- CN206301531U CN206301531U CN201621195798.0U CN201621195798U CN206301531U CN 206301531 U CN206301531 U CN 206301531U CN 201621195798 U CN201621195798 U CN 201621195798U CN 206301531 U CN206301531 U CN 206301531U
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- China
- Prior art keywords
- laser
- lens mount
- optical bench
- guide rail
- experiment instrument
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Abstract
The utility model provides a kind of laser speckle photography experiment instrument, including optical bench, the optical bench is provided with optics guide rail, the optics guide rail is provided with several slides being matched therewith, laser holder is sequentially provided with described each slide, first lens mount, second lens mount, two-dimensional adjustment frame, dry plate frame, bracket is fixedly connected in the laser holder, the bracket is provided with laser, first lens mount is provided with collimating mirror, second lens mount is provided with beam expanding lens, the two-dimensional adjustment frame is provided with frosted glass, the dry plate frame is provided with white screen, the laser is provided with exposure timer, the white screen is provided with illumination photometer, the optical bench is provided with scale.The beneficial effects of the utility model are that the light that laser sends is calibrated by collimating mirror, the accuracy of measurement is improved, and it is high to be arranged on the mobility of apparatus parts on optics guide rail, the Mechanical Moving time of shortening device, shorten time of measuring, improve the efficiency of integral experiment.
Description
Technical field
The utility model belongs to Experiments of Optics equipment technical field, more particularly, to a kind of laser speckle photography experiment instrument.
Background technology
When relevant light irradiation rough surface, diffusion light meets in front of body surface and produces interference.Some places
Light intensity is strengthened, some local light intensity decreasings, so as to form the three-dimensional spot of size, shape, light intensity all random distributions, referred to as dissipates
Spot.The pattern of these random distributions turns into speckle field.
Speckle method has the Common advantages of measuring method：Non-contact measurement, obtaining a result intuitively to show, and gives
Go out corresponding experimental data.At present, the structure of laser speckle measurement device related both at home and abroad is single, intelligence degree
It is low, there is no collimation focusing device between laser and beam splitter so that the laser beam that laser sends is incided on beam splitter
Laser be not usually directional light, be unfavorable for experiment carrying out；And during experiment, the Mechanical Moving time of device
Long, regulation inconvenience reduces the efficiency of integral experiment.
Therefore, a kind of laser speckle photography experimental provision that can solve the problem that above-mentioned technical problem of design is needed badly.
Utility model content
The purpose of this utility model is to provide that a kind of simple structure, simple to operate, mobile convenient, intelligence degree be high, tool
There is the laser speckle photography experiment instrument of high-quality laser speckle.
The technical solution of the utility model is：A kind of laser speckle photography experiment instrument, including optical bench, on the optical bench
Optics guide rail is provided with, the optics guide rail is provided with several slides being matched therewith, is sequentially provided with described each slide
Laser holder, the first lens mount, the second lens mount, two-dimensional adjustment frame, dry plate frame, bracket is fixedly connected in the laser holder,
The bracket is provided with laser, and first lens mount is provided with collimating mirror, and second lens mount is provided with beam expanding lens, institute
State two-dimensional adjustment frame and be provided with frosted glass, the dry plate frame is provided with white screen, and the laser is provided with exposure timer, described
White screen is provided with illumination photometer, and the optical bench is provided with scale.
Further, the illumination photometer for being set in the white screen is dismountable.
Further, the laser is He-Ne laser.
Further, the power of the laser is more than 1.5mW, output wavelength for 632.8nm, the angle of divergence are less than 5mrad.
The utility model has the advantages and positive effects that：Due to using above-mentioned technical proposal, by collimating mirror to swashing
The light that light device sends is calibrated, and improves the accuracy of measurement, and is arranged on the mobility of the apparatus parts on optics guide rail
Height, the Mechanical Moving time of shortening device, shortens time of measuring, improves the efficiency of integral experiment.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：
1st, optical bench 2, optics guide rail 3, slide
4th, laser holder 5, the first lens mount 6, the second lens mount
7th, two-dimensional adjustment frame 8, dry plate frame 9, bracket
10th, laser 11, collimating mirror 12, beam expanding lens
13rd, frosted glass 14, white screen 15, exposure timer
16th, illumination photometer 17, scale
Specific embodiment
The utility model is elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of laser speckle photography experiment instrument of the utility model, including optical bench 1, on the optical bench 1
Optics guide rail 2 is provided with, the optics guide rail 2 is provided with the slide 3 that several are matched therewith, on described each slide 3 successively
Laser holder 4, the first lens mount 5, the second lens mount 6, two-dimensional adjustment frame 7, dry plate frame 8 are provided with, it is fixed in the laser holder 4
Connecting bracket 9, the bracket 9 is provided with laser 10, and first lens mount 5 is provided with collimating mirror 11, second lens
Frame 6 is provided with beam expanding lens 12, and the two-dimensional adjustment frame 7 is provided with frosted glass 13, and the dry plate frame 8 is provided with white screen 14, described
Laser 10 is provided with exposure timer 15, and the white screen 14 is provided with illumination photometer 16, and the optical bench 1 is provided with scale 17.
The illumination photometer 16 set in the white screen 14 is dismountable.
The laser 10 is He-Ne laser.
The power of the laser 10 is 632.8nm more than 1.5mW, output wavelength, the angle of divergence is less than 5mrad.
The course of work of this example：When being tested, optics guide rail 2 on optical bench 1 be arranged on optics guide rail 2
Slide 3 be engaged slip, in laser holder 4 set laser 10 be provided with exposure timer 15, can control timing expose
Light, is provided with illumination photometer 16 in white screen 14, and the light intensity that can be sent for laser 10 is adjusted, and expands the applicable model of experiment
Enclose, the random slidable adjustment position of the optics being arranged on slide 3, the time of the Mechanical Moving of shortening device；And entering
During row experiment, the light that laser 10 sends first carries out collimation focusing, improves the accuracy of measurement.
One embodiment of the present utility model has been described in detail above, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as limiting practical range of the present utility model.It is all to be made according to present utility model application scope
Impartial change with improve etc., all should still belong within patent covering scope of the present utility model.
Claims (4)
1. a kind of laser speckle photography experiment instrument, it is characterised in that：Including optical bench (1), the optical bench (1) is provided with optics
Guide rail (2), the optics guide rail (2) is provided with the slide (3) that several are matched therewith, on described each slide (3) successively
It is provided with laser holder (4), the first lens mount (5), the second lens mount (6), two-dimensional adjustment frame (7), dry plate frame (8), the laser
Bracket (9) is fixedly connected on device frame (4), the bracket (9) is provided with laser (10), and first lens mount (5) is provided with
Collimating mirror (11), second lens mount (6) is provided with beam expanding lens (12), and the two-dimensional adjustment frame (7) is provided with frosted glass
(13), the dry plate frame (8) is provided with white screen (14), and the laser (10) is provided with exposure timer (15), the white screen
(14) illumination photometer (16) is provided with, the optical bench (1) is provided with scale (17).
2. laser speckle photography experiment instrument according to claim 1, it is characterised in that：The photograph set on the white screen (14)
Degree meter (16) is dismountable.
3. laser speckle photography experiment instrument according to claim 1, it is characterised in that：The laser (10) is that He-Ne swashs
Light device.
4. laser speckle photography experiment instrument according to claim 3, it is characterised in that：The power of the laser (10) is big
In 1.5mW, output wavelength be 632.8nm, the angle of divergence be less than 5mrad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195798.0U CN206301531U (en) | 2016-11-05 | 2016-11-05 | A kind of laser speckle photography experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195798.0U CN206301531U (en) | 2016-11-05 | 2016-11-05 | A kind of laser speckle photography experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301531U true CN206301531U (en) | 2017-07-04 |
Family
ID=59203064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621195798.0U Expired - Fee Related CN206301531U (en) | 2016-11-05 | 2016-11-05 | A kind of laser speckle photography experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301531U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095882A (en) * | 2018-01-29 | 2019-08-06 | 舜宇光学（浙江）研究院有限公司 | Project structured light devices and methods therefor with automatic focusing mechanism |
| CN110823364A (en) * | 2019-11-27 | 2020-02-21 | 中国电子科技集团公司第四十一研究所 | High-intensity illuminometer calibration device and calibration method |
-
2016
- 2016-11-05 CN CN201621195798.0U patent/CN206301531U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095882A (en) * | 2018-01-29 | 2019-08-06 | 舜宇光学（浙江）研究院有限公司 | Project structured light devices and methods therefor with automatic focusing mechanism |
| CN110823364A (en) * | 2019-11-27 | 2020-02-21 | 中国电子科技集团公司第四十一研究所 | High-intensity illuminometer calibration device and calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20201105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |