Misalignment analysis of an active resonator using eigenvector method

feng chen; feng guoying; huang yu; li wei; li gang; zhang qiuhui

Volume 21 Issue 07

Jul. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(07): 0-

yuan zheng, chen tao, cao zhurong, et al. Energy dependent sensitivity of Au-coated-microchannel plate detector in X-ray range[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

feng chen, feng guoying, huang yu, et al. Misalignment analysis of an active resonator using eigenvector method[J]. High Power Laser and Particle Beams, 2009, 21.

yuan zheng, chen tao, cao zhurong, et al. Energy dependent sensitivity of Au-coated-microchannel plate detector in X-ray range[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

feng chen, feng guoying, huang yu, et al. Misalignment analysis of an active resonator using eigenvector method[J]. High Power Laser and Particle Beams, 2009, 21.

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Misalignment analysis of an active resonator using eigenvector method

1.
School of Electronics and Information Engineering,Sichuan University,Chengdu 610064,China

Publish Date: 2009-07-15

Abstract

Abstract

An eigenvector method is used to calculate the mode distribution, misalignment and beam quality factor of a resonator with a two-dimensional misalignment angle. In the calculation model, the gain medium is regarded as a sheet inside the mirror. It is found that resonator misalignment leads to the uneven distribution of modes and the change of mode orders. And when the misalignment is in a certain range, it may bring forth new mode competition. The beam quality factor will not always get bad when disorder level increases, however, beam quality generally degrades as mode orders increases, and some degenerate modes may not be degenerate any more.
- laser resonator,
- eigenvector method,
- resonator modes,
- two-dimension misalignment angle,
- gain,
- beam quality factor

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