Beam quality and wavefront aberration in coherent combination of three rectangular laser beams

Tan Yi; Li Xinyang; 

Volume 24 Issue 07

Jun. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(07): 1677-1682

xiao nan, jiang zong-fu, hua wei-hong, et al. Effects of pulverized Mg powders on pyrotechnic pumping source[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

Tan Yi, Li Xinyang, . Beam quality and wavefront aberration in coherent combination of three rectangular laser beams[J]. High Power Laser and Particle Beams, 2012, 24: 1677-1682.

xiao nan, jiang zong-fu, hua wei-hong, et al. Effects of pulverized Mg powders on pyrotechnic pumping source[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

Tan Yi, Li Xinyang, . Beam quality and wavefront aberration in coherent combination of three rectangular laser beams[J]. High Power Laser and Particle Beams, 2012, 24: 1677-1682.

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Beam quality and wavefront aberration in coherent combination of three rectangular laser beams

Tan Yi^{1,2,3
,
,},
Li Xinyang^1,2,


1.
Laboratory on Adaptive Optics,Institute of Optics and Electronics,Chinese Academy of Sciences,Chengdu 610209,China;
2.
Key Laboratory on Adaptive Optics,Chinese Academy of Sciences,Chengdu 610209,China;
3.
Graduate University of Chinese Academy of Sciences,Beijing 100039,China

Publish Date: 2012-07-15

Abstract

Abstract

A numerical simulation model of coherent combination of three rectangular beams was established. The relationship for one rectangular beam and the combination of three rectangular beams, between the beam quality factor (beta factor) and the Zernike wavefront aberrations of the first twenty-one orders was obtained by numerical calculation through fast Fourier transform (FFT). The formulas of beta factor and wavefront aberration were obtained. Fitting coefficients of one beam and three-beam combination were compared and the affecting factors were analyzed. It is found that the fitting coefficient generally augments with the order of Zernike wavefront aberrations increasing. Key words: 。
- coherent combination,
- wavefront aberration,
- beam quality,
- factor β,
- rectangular laser beam

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