Algorithm of far-field image in aligning cavity mirror based on edge curve characteristics

dong wei-bin; li dong-jian; da zheng-shang; chen liang-yi; dong xiao-na; he jun-hua; sun ce; tian xin-feng

Volume 20 Issue 08

Aug. 2008

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Article Navigation > High Power Laser and Particle Beams > 2008 > 20(08): 0-

dong wei-bin, li dong-jian, da zheng-shang, et al. Algorithm of far-field image in aligning cavity mirror based on edge curve characteristics[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

dong wei-bin, li dong-jian, da zheng-shang, et al. Algorithm of far-field image in aligning cavity mirror based on edge curve characteristics[J]. High Power Laser and Particle Beams, 2008, 20.

dong wei-bin, li dong-jian, da zheng-shang, et al. Algorithm of far-field image in aligning cavity mirror based on edge curve characteristics[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

dong wei-bin, li dong-jian, da zheng-shang, et al. Algorithm of far-field image in aligning cavity mirror based on edge curve characteristics[J]. High Power Laser and Particle Beams, 2008, 20.

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Algorithm of far-field image in aligning cavity mirror based on edge curve characteristics

1.
Office of Advanced Optical Instrument,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China;
3.
State Key Laboratory of Transient Optics and Photonics,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China

Publish Date: 2008-08-15

Abstract

Abstract

Laser beam automatic alignment systems are used to precisely adjust beam lines automatically in the high power laser facility. Based on a laser prototype facility requirement for aligning the cavity mirror, the edge characters of light are quantitatively analyzed by image processing the laser image in aligning cavity mirror of high power laser system. Combined with the light transfer qualitatively analysis of measurement optical system for aligning cavity mirror, the consistency of different curve edges and the circular degree of the laser images are used for quantitatively estimating the azimuth of cavity mirror. When nearly completing the cavity mirror, the circular degree of the laser image is 12.222, and the consistency of different curve edge for one page laser image is 99.62%.
- inertial confinement fusion,
- beam automatic alignment,
- edge tracking,
- consistency of different curve edge,
- cavity mirror alignment

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