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

被引:0
|
作者
Yue, Meng-Meng
Yan, Li-He [1 ]
Si, Jin-Hai
Hou, Xun
机构
[1] Xi An Jiao Tong Univ, Minist Educ China, Key Lab Phys Elect & Devices, Sch Elect & Informat Engn, Xian 710049, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
PROBE IMAGING SPECTROSCOPY; GOLD NANOPARTICLE SYSTEM; SILICA-GEL GLASSES; REAL-TIME; NONLINEARITIES; PHTHALOCYANINE;
D O I
10.1088/0256-307X/33/4/044202
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Femtosecond time-resolved single-shot optical Kerr gating (OKG) 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 OKG 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 OKG 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.
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页数:4
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