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Energy Scaling of Terahertz Pulses Produced through Difference Frequency Generation_上海光学精密机械研究所

上海光学精密机械研究所 免费考研网/2018-05-06

外文题目: Energy Scaling of Terahertz Pulses Produced through Difference Frequency Generation
作者: Bai, Ya; Song, Li-Wei; Liu, Peng; Li, Ru-Xin
刊名: Chin. Phys. Lett.
年: 2017 卷: 34 期: 1 文章编号:14201
英文关键词:

THZ PULSES; LASER; FIELDS; MV/CM
英文摘要:
We study the energy scaling of terahertz (THz) emission through difference frequency generation of near-infrared pulses, and demonstrate that Gigawatt few-cycle THz transients at the central frequency of 30 THz are produced from GaSe crystal pumped by two pulses at 1.65 and 1.95 micrometers, with the high quantum yield of 28%. Our analysis indicates that the high yield of DFG originates from the largely reduced group velocity mismatch as the long-wavelength pumping pulses are employed.


文献类型: 期刊论文
正文语种: English
收录类别: SCI
DOI: 10.1088/0256-307X/34/1/014201


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