標題: Generation of sub-20-fs deep-ultraviolet pulses by using chirped-pulse four-wave mixing in CaF2 plate
作者: He, Jinping
Kobayashi, Takayoshi
電子物理學系
Department of Electrophysics
公開日期: 15-Aug-2013
摘要: Sub-20-fs deep ultraviolet (DUV) pulses are generated by using nondegenerate, chirped-pulse four-wave mixing of the fundamental and second-harmonic pulses from a commercial Ti:sapphire amplifier in a CaF2 plate. The energy of the DUV pulses is 3.8 mu J, with a conversion efficiency from total pump energy to DUV of similar to 3.8%. The DUV pulse is compressed using a pre-chirp, introduced via a fused silica window in the fundamental beam. The central wavelength of the DUV spectrum can be tuned from 257 to 277 nm by adjusting the cross angle between the two pump beams. The spectrum can reach a width of 16.8 nm, which can support a pulse duration of 8.7 fs. (C) 2013 Optical Society of America
URI: http://dx.doi.org/10.1364/OL.38.002938
http://hdl.handle.net/11536/22550
ISSN: 0146-9592
DOI: 10.1364/OL.38.002938
期刊: OPTICS LETTERS
Volume: 38
Issue: 16
起始頁: 2938
結束頁: 2940
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