In Situ Spatial Mapping Of Gouy Phase Slip With Terahertz Radiation

Chao Meng,Zhihui Lu,Yindong Huang,Xiaowei Wang,Wenbo Chen,Dongwen Zhang,Zengxiu Zhao,Jianmin Yuan

2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)（2016）

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Abstract

We present in situ measurements of the relative phase shift induced by Gouy phase shift near the focus in two-color field. The good agreement between the measurement and the theoretical prediction shows that the optimal phase of THz is robust enough as an useful tool to measure the relative phase change.

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Key words

in situ spatial mapping,two-color field,Gouy phase shift,relative phase shift,terahertz radiation,Gouy phase slip

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