INDUCED FREQUENCY-SHIFTS BY COUNTERPROPAGATING SUBPICOSECOND OPTICAL PULSES

被引：6
|
作者：
VU, BTV
SZOKE, A
LANDEN, OL
机构：
[1] Lawrence Livermore National Laboratory, Livermore, CA
[2] Department of Applied Science, University of California at Davis, Livermore, CA
来源：
OPTICS LETTERS | 1993年 / 18卷 / 09期
关键词：
D O I：
10.1364/OL.18.000723
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report time-resolved measurements of induced phase modulation that lead to frequency shifts in counter-propagating pump-probe experiments in a glass target with laser pulses of 0.7 ps FWHM and peak intensities of as high as 1 x 10(13) W/cm2. Experimental results can only be well explained by including, in addition to the shift induced during copropagation, a frequency shift proportional to the pump-pulse intensity profile during counterpropagation. This additional shift is shown to offer a new approach for mapping of temporal pulse profiles. The effects of pulse asymmetry are also examined.
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页码：723 / 725
页数：3
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