A measurements of a nonlinear refractive index with a single laser pulse

被引：9
|
作者：
Hein, J
Helbig, M
Rentsch, S
机构：
[1] Institute of Optics and Quantum Electronics, Friedrich-Schiller-University, Jena, D-07743
来源：
APPLIED OPTICS | 1997年 / 36卷 / 06期
关键词：
D O I：
10.1364/AO.36.001173
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a theoretical model and the experimental proof of a new method for n(2) measurements using single pulses. The advantage of the method is fast measurement, a simple setup, and independence from small nonlinear absorptions and thermal effects. We report on first n(2) measurements with the new technique on carbon disulfide, toluene, and a polymer dissolved in toluene to demonstrate the measurement of positive and negative third-order nonlinearities. We achieved a sensitivity of greater than lambda/200 phase-front distortion using picosecond Nd:YLF laser pulses. The given theory shows that attainment of higher sensitivities is possible. (C) 1997 Optical Society of America.
引用
收藏
页码：1173 / 1176
页数：4
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