Directly measuring the spatio-temporal electric field of focusing ultrashort pulses

被引:104
作者
Bowlan, Pamela [1 ]
Gabolde, Pablo [1 ]
Trebino, Rick [1 ]
机构
[1] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA
关键词
D O I
10.1364/OE.15.010219
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present the first technique for directly measuring (without assumptions) the spatio-temporal intensity and phase of a train of ultrashort pulses at and near a focus. Our method uses an experimentally simple and high-spectral resolution variant of spectral interferometry (SEA TADPOLE). To illustrate our technique, we measured the spatio-temporal electric field in and around the foci of several different types of lenses. To confirm our results, we also simulated these measurements by numerically propagating a pulse through each of the lenses used. From one set of measurements, we made a movie showing a focusing pulse with severe chromatic aberration. (c) 2007 Optical Society of America.
引用
收藏
页码:10219 / 10230
页数:12
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