A detection surface positioning method and system of a laser beam analyzer
A technology of laser beam analysis and laser beam, which is applied in the field of laser beam analyzer detection surface positioning method and system, can solve problems such as inability to accurately locate the detection surface, and achieve the effect of precise positioning
Inactive Publication Date: 2016-05-18
NAT INST OF METROLOGY CHINA
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[0004] According to the above description, it can be seen that using visual inspection to determine the position of the detection surface cannot accurately locate the detection surface
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[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work belong to the protection of the present invention. scope.
[0037] In the application process of the laser beam analyzer, it is often necessary to determine the position of the detection surface of the laser beam analyzer. However, since the detection surface of the laser beam analyzer is usually located in the receiving port of the detector, the position of the detection surface is mainly determined by visual in...
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The invention provides a laser beam analyzer test surface positioning method and system. The laser beam analyzer test surface positioning method includes the steps of enabling a laser beam emitted by a laser to be perpendicularly emitted to a laser beam analyzer test surface, measuring and recording the location of the center of mass of a light spot of the laser beam on the laser beam analyzer test surface, placing a wedge lens in a light path of the laser beam emitted by the laser, adjusting the wedge lens so that the laser beam can be perpendicularly emitted to a perpendicular face of the wedge lens, enabling the laser beam to be emitted to the laser beam analyzer test surface after the laser beam is refracted through the wedge lens, measuring and recording the location of the center of mass of the laser beam refracted through the wedge lens on the laser beam analyzer test surface, and calculating the distance between the laser beam analyzer test surface and a laser beam emission point on the wedge lens. According to the laser beam analyzer test surface positioning method and system, the distance between the laser beam analyzer test surface and the laser beam emission point on the wedge lens is calculated, and therefore the laser beam analyzer test surface can be accurately positioned.
Description
technical field [0001] The invention relates to the technical field of instrument calibration, in particular to a method and system for positioning a detection surface of a laser beam analyzer. Background technique [0002] Based on the light intensity distribution information in the cross-section of the detected laser beam, the laser beam analyzer can realize a two-dimensional image showing the light intensity distribution, and calculate and analyze parameters such as beam width, divergence angle, centroid position, ellipticity, and Gaussian fitting. It is used to diagnose laser beams, control beam quality, and describe beam transmission characteristics. It is mainly used in laser micromachining, medical laser diagnosis and treatment, laser radar, inertial confinement nuclear fusion and other fields. [0003] When using a laser beam analyzer, it is often necessary to determine the position of the detection surface of the laser beam analyzer. However, since the detection sur...
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IPC IPC(8): G01M11/02G01J1/00
Inventor 王艳萍马冲王茜蒨
Owner NAT INST OF METROLOGY CHINA