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Portraying polarization state of THz pulse generated by two-color laser field in air
Zhang Yizhu #,Liu Weiwei *,Xu Shengqi,Zhu heng
Institute of Modern Optics, Nankai University
*Correspondence author
#Submitted by
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Funding: 高等学校博士学科点专项科研基金（No.20070055074）
Opened online:22 June 2010
Accepted by: none
Citation: Zhang Yizhu,Liu Weiwei,Xu Shengqi.Portraying polarization state of THz pulse generated by two-color laser field in air[OL]. [22 June 2010] http://en.paper.edu.cn/en_releasepaper/content/4376444
 
 
By using an electro-optic sampling technique, the instantaneous field vector of the THz pulse generated by mixing a near infrared femtosecond pulse and its second harmonic in air has been studied. The polarization of the investigated THz pulse is found to be predominantly linear and orthogonal to that of the second harmonic, revealing the major role of during the four-wave mixing process.
Keywords:ultrafast nonlinear optics; terahertz spectroscopy; four-wave mixing
 
 
 

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