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  5. ,Fractional Fourier transform of flat-topped multi-Gaussian beams based on the Wigner distribution f

,Fractional Fourier transform of flat-topped multi-Gaussian beams based on the Wigner distribution f

来源 :中国物理(英文版) | 被引量 : 0次 | 上传用户：hukai001
【摘 要】
：
By using the Wigner distribution function, the fractional Fourier transform (FRFT) of flat-topped multi-Gaussian (FTMG) beams is studied. Analytical expressions
【作 者】
：
Wu Ping Lü Bai-Da Chen Tian-Lu 
【机 构】
：
Department of Applied Physics, Southwest Jiaotong University, Chengdu 610031, China“,”Institute of L
【出 处】
：
中国物理(英文版)
【发表日期】
：
2005年6期
【关键词】
：
Wigner distribution function flat-topped multi-Gaussian beam fraction Fourier tr 
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论文部分内容阅读
By using the Wigner distribution function, the fractional Fourier transform (FRFT) of flat-topped multi-Gaussian (FTMG) beams is studied. Analytical expressions for the intensity distribution, beam width, far-field divergence angle,M2 factor and K parameter of FTMG beams are derived. The influence of fractional order on transformation properties of FTMG beams in the FRFT plane is illustrated with numerical examples.
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