Spectrum-Induced Changes in Non-Paraxial Property of Ultrashort Pulsed Beam
LU Da-Quan, HU Wei, YANG Zhen-Jun, ZHENG Yi-Zhou
Laboratory of Light Transmission Optics, South China Normal
University, Guangzhou 510631
Spectrum-Induced Changes in Non-Paraxial Property of Ultrashort Pulsed Beam
LU Da-Quan;HU Wei;YANG Zhen-Jun;ZHENG Yi-Zhou
Laboratory of Light Transmission Optics, South China Normal
University, Guangzhou 510631
关键词 ：
42.25.Bs ,
42.65.Re ,
41.20.Jb
Abstract ： A spatiotemporal non-paraxial correction to the paraxial solution of ultrashort pulsed beam is obtained by using the Fourier transform and the Taylor expansion. By studying the propagation of an isodiffracting pulsed Gaussian beam with different pulse shapes, we find that there are spectrum-induced changes in the non-paraxial propagation of the pulsed beam. We analyse the influence of pulse spectrum on the non-paraxial property of the ultrashort pulsed beam and explain it base on the paraxial approximation condition.
Key words ：
42.25.Bs
42.65.Re
41.20.Jb
出版日期: 2003-10-01
:
42.25.Bs
(Wave propagation, transmission and absorption)
42.65.Re
(Ultrafast processes; optical pulse generation and pulse compression)
41.20.Jb
(Electromagnetic wave propagation; radiowave propagation)
引用本文:
LU Da-Quan;HU Wei;YANG Zhen-Jun;ZHENG Yi-Zhou. Spectrum-Induced Changes in Non-Paraxial Property of Ultrashort Pulsed Beam[J]. 中国物理快报, 2003, 20(10): 1729-1732.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2003/V20/I10/1729
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