Generation of femtosecond Bessel beams with microaxicon arrays

被引：65
|
作者：
Grunwald, R
Griebner, U
Tschirschwitz, F
Nibbering, ETJ
Elsaesser, T
Kebbel, V
Hartmann, HJ
Jüptner, W
机构：
[1] Max Born Inst Nichtlineare Opt & Kurzzeitspekt, D-12489 Berlin, Germany
[2] Bremer Inst Angew Strahltech, D-28359 Bremen, Germany
来源：
OPTICS LETTERS | 2000年 / 25卷 / 13期
关键词：
D O I：
10.1364/OL.25.000981
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Multiple quasi-Bessel beams are generated by transmission of sub-30-fs pulses from a Ti:sapphire laser through refractive thin-film microaxicon arrays. Time-integrated intensity distributions at several axial positions and for pulse durations of 26 and 12.5 fs reveal significant changes of contrast, envelope function, and spatial frequency spectrum in comparison with continuous wave data. Evidence is presented that strong space-time coupling results in a time-dependent interference zone. (C) 2000 Optical Society of America.
引用
收藏
页码：981 / 983
页数：3
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