Controlled shaping of ultrafast electric field transients in the mid-infrared spectral range

被引：63
|
作者：
Eickemeyer, F
Kaindl, RA
Woerner, M
Elsaesser, T
Weiner, AM
机构：
[1] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany
[2] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
来源：
OPTICS LETTERS | 2000年 / 25卷 / 19期
关键词：
D O I：
10.1364/OL.25.001472
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We experimentally demonstrate amplitude and phase shaping of femtosecond mid-infrared pulses in a range centered about 14 mu m. Single pulses with a tailored optical phase and phase-locked double pulses are generated by phase-matched difference-frequency mixing in a GaSe crystal of near-infrared pulses shaped with a liquid-crystal modulator. The electric field transients are directly measured by free-space electro-optic sampling, yielding pulse durations of 200-300 fs. Our data are in good agreement with a model that describes phase-matched optical rectification. (C) 2000 Optical Society of America.
引用
收藏
页码：1472 / 1474
页数：3
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