Influence of Self-Diffraction Effect on Femtosecond Time-Resolved Single-Shot Optical Kerr Measurements  

作　　者：岳猛猛 闫理贺 司金海 侯洵 

机构地区：[1]Key Laboratory for Physical Electronics and Devices of the Ministry of Education of China,and Shaanxi Key Lab of Information Photonic Technique,School of Electronics and Information Engineering,Xi'an Jiaotong University

出　　处：《Chinese Physics Letters》2016年第4期32-35,共4页中国物理快报（英文版）

基　　金：Supported by the National Natural Science Foundation of China under Grant Nos 11304242,11474078 and 61427816;the Natural Science Basic Research Plan in Shaanxi Province under Grant No 2014JQ1024;the Financial Support from China Postdoctoral Science Foundation under Grant Nos 2013M542335 and 2014T70924;the Collaborative Innovation Center of Suzhou Nano Science and Technology

摘　　要：Femtosecond time-resolved single-shot optical Kerr gating （OKC） measurements are performed by focusing the probe pulse and using a cylindrical lens to introduce a spatially encoded time delay with respect to the pump pulse. By measuring the pump power and polarization dependence of the OKC signals in CS2, the contribution of self-diffraction effect which is independent of the nonlinear response time of the material is directly observed on the rising edge of the time-resolved OKC signals. The influence of the self-diffraction effect on the optical Kerr signal could be controlled effectively by varying the polarization angle between pump and probe pulses.Femtosecond time-resolved single-shot optical Kerr gating （OKC） measurements are performed by focusing the probe pulse and using a cylindrical lens to introduce a spatially encoded time delay with respect to the pump pulse. By measuring the pump power and polarization dependence of the OKC signals in CS2, the contribution of self-diffraction effect which is independent of the nonlinear response time of the material is directly observed on the rising edge of the time-resolved OKC signals. The influence of the self-diffraction effect on the optical Kerr signal could be controlled effectively by varying the polarization angle between pump and probe pulses.

关 键 词：of as in been on IS 

分 类 号：O437[机械工程—光学工程]