Describing spatiotemporal couplings in ultrashort pulses using coupling coefficients

doi:10.1088/1674-1056/20/11/114213

中国物理B ›› 2011, Vol. 20 ›› Issue (11): 114213-114213.doi: 10.1088/1674-1056/20/11/114213

Describing spatiotemporal couplings in ultrashort pulses using coupling coefficients

但有全¹, 张彬¹, 孙年春¹, 曾曙光², 隋展³

(1)College of Electronics Information, Sichuan University, Chengdu 610064, China; (2)College of Electronics Information, Sichuan University, Chengdu 610064, China; College of Science, China Three Gorges University, Yichang 443002, China; (3)Laser Fusion Research Centre of China Academy of Engineering Physics, Mianyang 621900, China

收稿日期:2010-05-26 修回日期:2011-06-07 出版日期:2011-11-15 发布日期:2011-11-15
基金资助:
Project supported by the Program for New Century Excellent Talents in University (NCET), China (Grant No. NCET-05-0784).

Describing spatiotemporal couplings in ultrashort pulses using coupling coefficients

Zeng Shu-Guang(曾曙光)^a)b), Dan You-Quan(但有全)^a), Zhang Bin(张彬)^a)†, Sun Nian-Chun(孙年春)^a) , and Sui Zhan(隋展)^c)

^a College of Electronics Information, Sichuan University, Chengdu 610064, China; ^b College of Science, China Three Gorges University, Yichang 443002, China; ^c Laser Fusion Research Centre of China Academy of Engineering Physics, Mianyang 621900, China

Received:2010-05-26 Revised:2011-06-07 Online:2011-11-15 Published:2011-11-15
Supported by:
Project supported by the Program for New Century Excellent Talents in University (NCET), China (Grant No. NCET-05-0784).

摘要/Abstract

摘要： Three coupling coefficients are defined to describe spatiotemporal coupling in ultrashort pulses. With these coupling coefficients, the first-order spatiotemporal couplings of Gaussian pulse and beam are described analytically. Also, the first-order and the second-order spatiotemporal couplings caused by angular dispersion elements are studied using these coupling coefficients. It can be shown that these coupling coefficients are dimensionless and normalized, and readily indicate the severity of spatiotemporal coupling.

关键词: spatiotemporal coupling, ultrashort pulse, angular dispersion, spatial chirp

Abstract: Three coupling coefficients are defined to describe spatiotemporal coupling in ultrashort pulses. With these coupling coefficients, the first-order spatiotemporal couplings of Gaussian pulse and beam are described analytically. Also, the first-order and the second-order spatiotemporal couplings caused by angular dispersion elements are studied using these coupling coefficients. It can be shown that these coupling coefficients are dimensionless and normalized, and readily indicate the severity of spatiotemporal coupling.

Key words: spatiotemporal coupling, ultrashort pulse, angular dispersion, spatial chirp

中图分类号: (Ultrafast processes; optical pulse generation and pulse compression)

42.65.Re

42.79.-e (Optical elements, devices, and systems)

曾曙光, 但有全, 张彬, 孙年春, 隋展. Describing spatiotemporal couplings in ultrashort pulses using coupling coefficients[J]. 中国物理B, 2011, 20(11): 114213-114213.

Zeng Shu-Guang(曾曙光), Dan You-Quan(但有全), Zhang Bin(张彬), Sun Nian-Chun(孙年春) , and Sui Zhan(隋展) . Describing spatiotemporal couplings in ultrashort pulses using coupling coefficients[J]. Chin. Phys. B, 2011, 20(11): 114213-114213.

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Describing spatiotemporal couplings in ultrashort pulses using coupling coefficients

Describing spatiotemporal couplings in ultrashort pulses using coupling coefficients

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