Femtosecond laser pulse compression using angle of incidence optimization of chirped mirrors

被引：5
|
作者：
Marceau, C. [1 ]
Gingras, G. [1 ]
Bah, S. Toubou [1 ]
Vallee, R. [1 ]
Witzel, B. [1 ]
机构：
[1] Univ Laval, Ctr Opt Photon & Laser, Quebec City, PQ G1V 0A6, Canada
来源：
LASER PHYSICS LETTERS | 2014年 / 11卷 / 06期
基金：
加拿大自然科学与工程研究理事会; 加拿大创新基金会;
关键词：
pulse compression; chirped mirrors; few cycles; MULTILAYER MIRRORS; DISPERSION; GENERATION; OPTICS; FS;
D O I：
10.1088/1612-2011/11/6/065302
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optimal pulse compression following spectral broadening in a noble gas-filled hollow core fiber is a critical step towards producing isolated attosecond pulses. Here we present a systematic pulse shaping method based on the optimal selection of chirped mirrors and on the optimization of their angle of incidence. Feedback from second harmonic frequency resolved optical gating measurements is used to compute the optimal chirped mirror configuration of the next iteration in a genetic algorithm. Sub-5 fs pulses were achieved after a few iterations.
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页数：4
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