Generation of radially polarized terahertz pulses via velocity-mismatched optical rectification期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Generation of radially polarized terahertz pulses via velocity-mismatched optical rectification

Authors:	Chang Guoqing Divin Charles J Liu Chi-Hung Williamson Steven L Galvanauskas Almantas Norris Theodore B

Affiliation:	FOCUS Center and Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109-2099, USA. gouqingc@engin.umich.edu

Abstract:	We demonstrate the generation of radially polarized terahertz pulses via optical rectification in a Cherenkov geometry exploiting velocity mismatch, contrary to the traditional approach for generating linearly polarized terahertz beams. A compact system is implemented using 001-cut ZnTe pumped by an ultrafast Yb-doped fiber amplifier.

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