Plasma-mirror frequency-resolved optical gating using a liquid-sheet jet in ultraviolet region

被引：2
|
作者：
Endo, Tomoyuki [1 ]
Tsubouchi, Masaaki [1 ]
Itakura, Ryuji [1 ]
机构：
[1] Natl Inst Quantum & Radiol Sci & Technol QST, Kansai Photon Sci Inst, 8-1-7 Umemidai, Kyoto 6190215, Japan
来源：
OPTICS LETTERS | 2019年 / 44卷 / 13期
基金：
日本学术振兴会;
关键词：
ULTRASHORT LASER-PULSES; REFRACTIVE-INDEX; ATTOSECOND PULSES; ULTRAFAST PLASMA; VUV PULSES; FEMTOSECOND; DYNAMICS; AMPLITUDE; PHASE; WATER;
D O I：
10.1364/OL.44.003234
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate plasma-mirror frequency-resolved optical gating (PM-FROG) using a liquid-sheet jet of water and characterize a waveform of a high-repetition laser pulse (1 kHz) in the ultraviolet (UV) region. The measured PM-FROG trace is reconstructed by the least-squares generalized projections algorithm. The retrieved UV spectral phase is consistent with that by self-diffraction FROG. The complex reflection coefficient of a plasma mirror is discussed in terms of the free electron density dependence. The PM-FROG technique is applicable to not only the pulse characterization, but also the investigation of ionization dynamics of a liquid. (C) 2019 Optical Society of America
引用
收藏
页码：3234 / 3237
页数：4
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