Propagation of Hermite-Gaussian beams in apertured fractional Fourier transforming systems
Propagation of Hermite-Gaussian beams in apertured fractional Fourier transforming systems
复制标题
厄米高斯光束在孔径分数阶傅立叶变换系统中的传播
DOI:
10.1078/0030-4026-00301
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发表时间:
2003
期刊:
影响因子:
3.1
通讯作者:
Wei Xiaofeng
中科院分区:
文献类型:
--
作者:
Zhao Daomu*;Mao Haidan;Liu Hongjie;Jing Feng;Zhu Qihua;Wei Xiaofeng
Summary The apertured fractional Fourier transform (FRFT) system is introduced and applied to treat the propagation of Hermite-Gaussian beams. Based on the treatment that a rectangular function can be expanded into a approximate sum of complex Gaussian functions with finite numbers, the analytical expressions for the output field distribution of a Hermite-Gaussian beam through an apertured FRFT system are obtained and compared with those obtained from numerically integral calculation. The results show that our method can significantly improve the numerical calculation efficiency.
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