Beam quality investigation on misalignment and surface-shape error of cavity mirror

zhang zeng-bao; jin yu-qi; sang feng-ting; zhang zhi-guo; han xin-min; wang feng; sun yi-zhu

Volume 17 Issue 04

Apr. 2005

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Article Navigation > High Power Laser and Particle Beams > 2005 > 17(04): 0-

sun yi yi, dong hao, bi zhao hui, et al. Intercomparison of models for radiative transfer in the atmosphere[J]. High Power Laser and Particle Beams, 2004, 16.

Citation:

zhang zeng-bao, jin yu-qi, sang feng-ting, et al. Beam quality investigation on misalignment and surface-shape error of cavity mirror[J]. High Power Laser and Particle Beams, 2005, 17.

sun yi yi, dong hao, bi zhao hui, et al. Intercomparison of models for radiative transfer in the atmosphere[J]. High Power Laser and Particle Beams, 2004, 16.

Citation:

zhang zeng-bao, jin yu-qi, sang feng-ting, et al. Beam quality investigation on misalignment and surface-shape error of cavity mirror[J]. High Power Laser and Particle Beams, 2005, 17.

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Beam quality investigation on misalignment and surface-shape error of cavity mirror

1.
Dalian Institute of Chemical Physics,Chinese Academy of Sciences,P.O.Box 110,Dalian 116023,China

Publish Date: 2005-04-15

Abstract

Abstract

Based on precise measurements of the surface-shape of cavity mirrors, a cavity model has been achieved by optical simulation software ZEMAX for a folded virtually-confocal unstable resonator employed in COIL. The influences of the surface-shape errors of cavity mirrors on beam quality, and the effects of misalignment of cavity mirrors on the wavefront of output beam, have been analyzed using the model. Beam quality measurements have been performed by using a He-Ne alignment laser in a bare cavity. The measurement results agree with the simulation data, and verify the feasibility of the modeling and simulation method.．
- chemical oxygen-iodine laser,
- beam quality,
- surface-shape error,
- misalignment of cavity mirrors

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