Determination of spatial coherence properties by using the wigner distribution

Gao Mingwei; Zheng Yan; Gao Chunqing

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Determination of spatial coherence properties by using the wigner distribution

Gao Mingwei * #,Zheng Yan,Gao Chunqing

School of Optoelectronics, Beijing Institute of technology

*Correspondence author

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Funding: none

Opened online: 1 December 2009

Accepted by: none

Citation: Gao Mingwei ,Zheng Yan,Gao Chunqing .Determination of spatial coherence properties by using the wigner distribution[OL]. [ 1 December 2009] http://en.paper.edu.cn/en_releasepaper/content/37132

Spatial coherence is of increasing interest for many laser applications such as lithography, material processing and beam coherence combination etc. The method to determine the parameters of spatial coherence by using Wigner distribution of laser beam is discussed carefully. The measurement of Wigner distribution and some experimental results was discussed in detail.

Keywords:Spatial coherence;Beam parameters measurement;Wigner distribution

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