CN202002729U - Automatic testing equipment of power evenness of pulse laser beam - Google Patents
Automatic testing equipment of power evenness of pulse laser beam Download PDFInfo
- Publication number
- CN202002729U CN202002729U CN2010206866274U CN201020686627U CN202002729U CN 202002729 U CN202002729 U CN 202002729U CN 2010206866274 U CN2010206866274 U CN 2010206866274U CN 201020686627 U CN201020686627 U CN 201020686627U CN 202002729 U CN202002729 U CN 202002729U
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- China
- Prior art keywords
- slide rail
- laser probe
- laser beam
- pulse laser
- step motor
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- Expired - Fee Related
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The utility model discloses automatic testing equipment of power evenness of pulse laser beams, which comprises a plane slide rail, a laser probe, a step motor and two photoelectric sensors. The photoelectric sensors are fixed on the equipment and arranged on the left side and the right side of the plane slide rail. The laser probe is arranged on the plane slide rail in slidable mode, and the plane slide rail is connected with the step motor. The laser probe scans to collect signals in right-and-left mode and transmits the signals to an oscilloscope which is connected with the laser probe. The laser probe is driven by the step motor to conduct the scanning movements which cover the whole width of the laser beams, start signals and finish signals are detected by the two photoelectric sensors. Signals detected by the photoelectric sensors are rectified in single-way mode, subjected to voltage amplification and translation and then transmitted to the oscilloscope. Then the oscilloscope is controlled by softwares to select proper voltage range, and tests are processed, thereby effectively testing the power evenness of the pulse laser beams, and having good technical effect.
Description
Technical field
The utility model relates to a kind of laser testing equipment, especially refers to a kind of pulse laser beam power homogeneity ATE (automatic test equipment).
Background technology
At present, laser testing equipment has obtained using comparatively widely.But in some fields and application, present laser testing equipment still exists certain deficiency.For instance, in the pulse laser beam field tests, common laser testing equipment can't effectively be measured.
This be because, common laser measuring equipment, be designed to test continuity laser mostly, therefore, if tested light source is successional laser, then its laser power is easy to measure, but pulse laser is because of the problem that has off and on, stop phase and effective stage capacity volume variance in pulse are very big, and the non-constant width of the width of whole laser beams, do the inhomogeneity test of pulse laser amplitude so be difficult to ready-made scheme, therefore, also do not have effective testing apparatus to occur in the pulse laser beam field.
Thus, no matter domestic on the still foreign market all also not at the inhomogeneity testing apparatus of pulsed laser energy, this also requires us to seek the inhomogeneity equipment of a kind of laser beam power of test pulse effectively simultaneously.
Summary of the invention
The utility model is in order to overcome traditional laser testing equipment inhomogeneity shortcoming of test pulse laser beam power effectively, a kind of pulse laser beam power homogeneity ATE (automatic test equipment) is provided, and this equipment is testing laser bundle and whether automatically analyze the homogeneity of laser power up to standard automatically.
The utility model solves the problems of the technologies described above the technical scheme that adopted as following description:
A kind of pulse laser beam power homogeneity ATE (automatic test equipment), comprise, plane slide rail, laser probe, step motor and two photoelectric sensors, described photoelectric sensor is fixed on the equipment, and be positioned at the left and right sides of plane slide rail, above-mentioned laser probe is slidably disposed on the slide rail of plane, and the plane slide rail connects step motor, laser probe left and right sides scanning collection signal, and pass the signal along among the oscillograph that connects laser probe.
Further, preferred construction is, also is provided with control panel on equipment, and described control panel connects step motor and photoelectric sensor by data line.
Further, preferred construction is that described laser probe also is provided with the circuit board that has signal amplifying function, and the foregoing circuit plate connects oscillograph.
Further, preferred construction is that the data line that described two photoelectric sensors pass through respectively separately connects oscillograph.
The utility model makes to contain the scanning motion of the whole width of laser beam by using step motor driving laser probe, use of the detection of two photoelectric sensors as initial and end signal, deliver to oscillograph after detected signal unidirectional rectification of process of photoelectric sensor and voltage translation are amplified then, control oscillograph by software then and select suitable voltage range, and test, test pulse laser beam power homogeneity has better technical effect effectively.
Description of drawings
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the present invention will become apparent and understand easily.
Fig. 1 is the structural representation of the utility model pulse laser beam power homogeneity ATE (automatic test equipment).
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Fig. 1 is the structural representation of the utility model pulse laser beam power homogeneity ATE (automatic test equipment), as shown in the figure, this equipment mainly comprises an equipment supporter and is arranged on an elongated plane slide rail 6 on the equipment supporter, is respectively arranged with first photoelectric sensor 2 and second photoelectric sensor 3 (we also can be referred to as left photoelectric sensor 2 and right photoelectric sensor 3) in the both sides of plane slide rail, and photoelectric sensor can detect signal and be amplified in the oscillograph through unidirectional rectification and voltage translation and go.
Be provided with laser probe 5 on plane slide rail 6, this laser probe 5 is provided with an independent circuit board, and himself has signal amplifying function, and this signal is outputed among the oscillograph further.
Plane slide rail 6 drives by step motor 4, the end that step motor 4 is fixed on equipment supporter (certainly, also can be placed on other position), in general, above-mentioned step motor 4 can drive above-mentioned laser probe 5 and make a scanning motion of containing the whole width of laser beam.Simultaneously, because above-mentioned first, second two optoelectronic induction probes are arranged on the both sides of plane slide rail 6 respectively, can play an effect as the detection of initial and end signal, therefore, above-mentioned signal all is transported to after the oscillograph, can be further analyzed among oscillograph.
In addition, operation also is provided with a control panel among the utility model equipment for convenience, and this control panel 1 can be controlled the collection activity of above-mentioned step motor 4 drivings and photoelectric sensor 2,3.
Below we carry out an analysis to oscillograph to the analytic process and the principle of above-mentioned signal:
Deliver to oscillograph after at first, detected signal unidirectional rectification of process of above-mentioned photoelectric sensor and voltage translation are amplified, control oscillograph by software then and select suitable voltage range, time reference triggers the signal that measures, intercept the interlude voltage maximum amplitude and the minimum amplitude of pulse top signal then by software, and these two values are uploaded to computer and draw squiggle by the software collection analysis by the USB line.
Next, analyze above-mentioned squiggle, exceed predetermined scope, indicate that then the laser power of this point on the laser beam is unusual if curve is beated.If homogeneity does not exceed predetermined scope, then indicating impulse laser power homogeneity is up to standard.
The utility model makes to contain the scanning motion of the whole width of laser beam by using step motor driving laser probe, use of the detection of two photoelectric sensors as initial and end signal, deliver to oscillograph after detected signal unidirectional rectification of process of photoelectric sensor and voltage translation are amplified then, control oscillograph by software then and select suitable voltage range, and test, test pulse laser beam power homogeneity has better technical effect effectively.
It should be noted that; above-mentioned specific embodiment is exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improvement or distortion drop in the protection domain of the present utility model.
It will be understood by those skilled in the art that top specific descriptions just in order to explain the purpose of this utility model, are not to be used to limit the utility model.Protection domain of the present utility model is limited by claim and equivalent thereof.
Claims (4)
1. pulse laser beam power homogeneity ATE (automatic test equipment), it is characterized in that, comprise, plane slide rail, laser probe, step motor and two photoelectric sensors, described photoelectric sensor is fixed on the equipment, and is positioned at the left and right sides of plane slide rail, above-mentioned laser probe is slidably disposed on the slide rail of plane, the plane slide rail connects step motor, laser probe left and right sides scanning collection signal, and pass the signal along among the oscillograph that connects laser probe.
2. pulse laser beam power homogeneity ATE (automatic test equipment) according to claim 1 is characterized in that, also is provided with control panel on equipment, and described control panel connects step motor and photoelectric sensor by data line.
3. pulse laser beam power homogeneity ATE (automatic test equipment) according to claim 1 is characterized in that described laser probe also is provided with the circuit board that has signal amplifying function, and the foregoing circuit plate connects oscillograph.
4. pulse laser beam power homogeneity ATE (automatic test equipment) according to claim 1 is characterized in that, the data line that described two photoelectric sensors pass through respectively separately connects oscillograph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206866274U CN202002729U (en) | 2010-12-29 | 2010-12-29 | Automatic testing equipment of power evenness of pulse laser beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206866274U CN202002729U (en) | 2010-12-29 | 2010-12-29 | Automatic testing equipment of power evenness of pulse laser beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202002729U true CN202002729U (en) | 2011-10-05 |
Family
ID=44705466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206866274U Expired - Fee Related CN202002729U (en) | 2010-12-29 | 2010-12-29 | Automatic testing equipment of power evenness of pulse laser beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202002729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154991A (en) * | 2014-08-06 | 2014-11-19 | 东莞市万德光电科技有限公司 | Illuminance testing method and illuminance testing device |
| CN105510006A (en) * | 2016-02-29 | 2016-04-20 | 四川聚能核技术工程有限公司 | Device and method for measuring evenness of LED area array light source |
-
2010
- 2010-12-29 CN CN2010206866274U patent/CN202002729U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154991A (en) * | 2014-08-06 | 2014-11-19 | 东莞市万德光电科技有限公司 | Illuminance testing method and illuminance testing device |
| CN104154991B (en) * | 2014-08-06 | 2016-08-24 | 东莞市万德光电科技有限公司 | A kind of illuminance measuring method for testing and this illuminance measuring electricity testing device |
| CN105510006A (en) * | 2016-02-29 | 2016-04-20 | 四川聚能核技术工程有限公司 | Device and method for measuring evenness of LED area array light source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20131229 |