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System and method for establishing parallelism of output optical axes of mirror array and laser array

A technology of laser arrays and establishment methods, applied in optics, optical components, instruments, etc., can solve the problems of high cost and difficult implementation of mirrors

Active Publication Date: 2020-05-19
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The purpose of the present invention is based on the idea of ​​reference transfer, to provide a method for establishing the parallelism of the output optical axis of the laser array by using a small-diameter plane reflector array, and to solve the problem that the large-diameter plane reflector is expensive and difficult to implement

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  • System and method for establishing parallelism of output optical axes of mirror array and laser array
  • System and method for establishing parallelism of output optical axes of mirror array and laser array
  • System and method for establishing parallelism of output optical axes of mirror array and laser array

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] from figure 1 It can be seen that the array of small-aperture plane mirrors in the embodiment is 4×2, and each plane mirror is fixed on a mounting bracket (such as an adjustable mirror frame for azimuth and pitch) that can realize azimuth and pitch adjustment, and all mounting brackets are fixed on on the same base.

[0020] If the normals of the plane mirror array are parallel to each other, the plane mirror array can be used as a reference for calibrating the output optical axes of the laser array, and the output optical axes of the laser array can be adjusted to be parallel to each other by adopting the self-alignment method.

[0021] from figure 2 It can be seen that in this embodiment, the first self-collimating light pipe 1 and the second self-collimating light pipe 2 are used to adjust the normals of the plane mirrors 3 in the ...

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Abstract

The invention relates to a mirror array and a laser array output optical axis parallelism establishment system and method. The laser array output optical axis parallelism establishment system includes a mirror array and at least two self-collimating light pipes, and is based on reference transfer The idea is to use at least two self-collimating light pipes to adjust the normals of the plane mirrors in the plane mirror array to be parallel, and then use the plane mirror array as a reference for calibrating the output optical axis of the laser array. The problem of high cost and difficult implementation of large-aperture plane mirrors is solved. Among them, the autocollimator, as a conventional optical instrument, can easily and quickly self-align with the plane mirror, and the level reference adopts the water bubble commonly used in optical instruments, which has the advantages of simplicity, stability and repeatability.

Description

technical field [0001] The invention relates to a plane reflection mirror array for establishing the parallelism of the output optical axis of the laser array and a system and method for establishing the parallelism of the output optical axis of the laser array. Background technique [0002] In high-energy and high-power laser systems, it is often necessary to output lasers in parallel arrays to increase output energy or combine laser beams. The parallelism of the output optical axis of the laser array is a key indicator, which will affect the combination effect of the array. , so the parallelism of the output optical axis of the laser array must be controlled. Usually, the self-collimation method of a large-aperture plane mirror can be used to establish the parallelism of the optical axis. However, in a large-aperture laser output system, such as an ICF laser device Among them, the single-beam output laser aperture is on the order of half a meter, and a 4×2 laser array is g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/182G02B27/30
CPCG02B7/182G02B27/30
Inventor 达争尚高立民李红光董晓娜
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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