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.

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页码：1472 / 1474

页数：3

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