CN202916007U - Laser focal spot light intensity distribution testing device - Google Patents
Laser focal spot light intensity distribution testing device Download PDFInfo
- Publication number
- CN202916007U CN202916007U CN 201220595151 CN201220595151U CN202916007U CN 202916007 U CN202916007 U CN 202916007U CN 201220595151 CN201220595151 CN 201220595151 CN 201220595151 U CN201220595151 U CN 201220595151U CN 202916007 U CN202916007 U CN 202916007U
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- focal spot
- laser focal
- spot light
- light distribution
- ccd
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- Expired - Fee Related
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model relates to a laser focal spot light intensity distribution testing device, comprising a relay mirror, an attenuation wedge plate, an adjusting mount and a CCD arranged on the adjusting mount. Laser focal spots to be measured, the relay mirror, the attenuation wedge plate and the CCD are successively located on a same optical axis. The laser focal spot light intensity distribution testing device has the characteristics of a high integrated level, a compact structure and a high automation degree.
Description
Technical field
The utility model belongs to the optical detection field, relates to a kind of laser focal spot light distribution proving installation, relates in particular to a kind of light laser focal spot intensity distribution proving installation.
Background technology
In the refreshing light III host apparatus, in the main optical path laser beam before arriving target spot, through amplify step by step, transmission, shaping and sampling, could arrive target spot at last.Somewhere in the transmission light path will monitor the quality of laser beam herein, usually can pass through the measurement to laser focal spot light distribution in the sampling laser optical path, and then analyzes the characteristic of transmission laser, and therefore, the measurement of laser focal spot light distribution is very important.
Traditional method of testing: CCD or sensitized paper are placed on testing laser focal spot place, by CCD or sensitized paper photosensitive imaging, and then the light distribution of obtaining laser focal spot.Though but the light distribution of CCD quantitative test laser focal spot, for light laser, the direct measurement of employing CCD may be with CCD " blinding ", and the test risk is larger.Simultaneously, the window at quarter of normal CCD front end is parallel glass, produces easily and interferes, and affects measurement result; Employing sensitized paper test risk is little, but it measures the equipment conversion that focal spot intensity distribution figure need pass through specialty, the light distribution that just can obtain quantizing, and it is larger that the centre transforms error, and take time and effort poor practicability.
The utility model content
In order to solve the problems referred to above that exist in the background technology, the utility model proposes a kind of integrated level height, compact conformation and the high laser focal spot light distribution proving installation of automaticity.
Technical solution of the present utility model is: the utility model provides a kind of laser focal spot light distribution proving installation, and its special character is: described laser focal spot light distribution proving installation comprises relay lens, decay contract plate, adjustment rack and is arranged on CCD on the adjustment rack; Testing laser focal spot and described relay lens, decay contract plate and CCD are in and are in successively on the same optical axis.
Above-mentioned laser focal spot light distribution proving installation also comprises the object lens that are arranged between testing laser focal spot and the relay lens.
Above-mentioned laser focal spot light distribution proving installation also comprises the control computing machine that links to each other with CCD.
Above-mentioned CCD is without carving window CCD.
Above-mentioned decay contract plate is the decay contract plate that can eliminate laser interference.
The utility model has the advantages that:
The utility model provides a kind of laser focal spot light distribution proving installation, this device can be selected the object lens of different enlargement ratios according to the size of testing laser focal spot, can select the decay contract plate of differential declines multiplying power according to the energy of testing laser focal spot, device is changed and should be carried out under hundred grades of clean environments, prevents from falling into dust.By adjustment rack, adjust attitude and the position of laser focal spot measuring system, make its central axis with laser beam consistent, make simultaneously the testing laser focal spot become sharply defined image at CCD.Ccd image under gathering through special-purpose focal spot process software, can be analyzed its three-dimensional light distribution, focal spot size, Power in the bucket, energy distribution curve etc.Proving installation provided by the utility model is by forming without CCD and the optical lens of carving glass pane, and system can carry out quantitative measurment to the light laser focal spot intensity distribution fast.Level of integrated system provided by the utility model is high, compact conformation, and automaticity is high, is fit to online, the off-line quantitative test of laser focal spot light distribution.
Description of drawings
Fig. 1 is the structural representation of the utility model institute generator;
Wherein:
1-testing laser focal spot; The 2-object lens; The 3-relay lens; 4-decay contract plate; 5-is without carving window CCD; The 6-adjustment rack; The 7-computing machine.
Embodiment
Referring to Fig. 1, the utility model provides a kind of laser focal spot light distribution proving installation, and this laser focal spot light distribution proving installation comprises relay lens 3, decay contract plate 4, adjustment rack 6 and is arranged on CCD on the adjustment rack 6; Testing laser focal spot 1 and relay lens 3, decay contract plate 4 and CCD are in and are in successively on the same optical axis.
Laser focal spot light distribution proving installation also comprises the object lens 2 that are arranged between testing laser focal spot 1 and the relay lens 3.
Laser focal spot light distribution proving installation also comprises the control computing machine 7 that links to each other with CCD.
CCD is without carving window CCD5; Decay contract plate 4 is the decay contract plates 4 that can eliminate laser interference.
Specific works process of the present utility model is:
1) above-mentioned laser focal spot light distribution proving installation is demarcated its magnification under testing laser work spectral coverage;
2) according to the size Selection object lens 2 of testing laser focal spot 1; And select decay contract plate 4 according to the energy of testing laser focal spot 1; The replacing of object lens 2 and decay contract plate 4 is to carry out under hundred grades of clean environments, prevents from falling into dust;
3) by adjustment rack 6, adjust attitude and the position of laser focal spot measuring system, make the laser focal spot measuring system consistent with the central axis of laser beam, make simultaneously testing laser focal spot 1 become sharply defined image at CCD;
4) ccd image that collects is analyzed through the computing machine 7 that the focal spot process software is housed; This analysis comprises three-dimensional light distribution, focal spot size, Power in the bucket and the energy distribution curve etc. of laser focal spot.
The test macro integrated level is high, compact conformation, and automaticity is high, is fit to the off-line of laser focal spot light distribution, online quantitative test.Test macro can carry out quantitative measurment to the light laser focal spot intensity distribution fast by without the CCD that carves glass pane and the measurement mechanism that optical lens forms.
Claims (6)
1. laser focal spot light distribution proving installation is characterized in that: described laser focal spot light distribution proving installation comprises relay lens, decay contract plate, adjustment rack and is arranged on CCD on the adjustment rack; Testing laser focal spot and described relay lens, decay contract plate and CCD are in and are in successively on the same optical axis.
2. laser focal spot light distribution proving installation according to claim 1, it is characterized in that: described laser focal spot light distribution proving installation also comprises the object lens that are arranged between testing laser focal spot and the relay lens.
3. laser focal spot light distribution proving installation according to claim 1 and 2, it is characterized in that: described laser focal spot light distribution proving installation also comprises the computing machine that links to each other with CCD.
4. laser focal spot light distribution proving installation according to claim 3 is characterized in that: described CCD is without carving window CCD.
5. laser focal spot light distribution proving installation according to claim 4, it is characterized in that: described decay contract plate is the decay contract plate that can eliminate laser interference.
6. laser focal spot light distribution proving installation according to claim 5, it is characterized in that: described computing machine is the computing machine that the focal spot process software is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595151 CN202916007U (en) | 2012-11-12 | 2012-11-12 | Laser focal spot light intensity distribution testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220595151 CN202916007U (en) | 2012-11-12 | 2012-11-12 | Laser focal spot light intensity distribution testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916007U true CN202916007U (en) | 2013-05-01 |
Family
ID=48164312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220595151 Expired - Fee Related CN202916007U (en) | 2012-11-12 | 2012-11-12 | Laser focal spot light intensity distribution testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202916007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944302A (en) * | 2012-11-12 | 2013-02-27 | 中国科学院西安光学精密机械研究所 | Test device and test method for laser focal spot light intensity distribution |
-
2012
- 2012-11-12 CN CN 201220595151 patent/CN202916007U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944302A (en) * | 2012-11-12 | 2013-02-27 | 中国科学院西安光学精密机械研究所 | Test device and test method for laser focal spot light intensity distribution |
| CN102944302B (en) * | 2012-11-12 | 2015-07-29 | 中国科学院西安光学精密机械研究所 | Laser focal spot light distribution proving installation and method of testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20151112 |
|
| EXPY | Termination of patent right or utility model |