Generation of Ultrashort Optical Pulses in the Deep-Ultraviolet Region Based on Four-Wave Raman Mixing

被引：2

作者：

Mori, Yoshifumi ^{[1
]}

Imasaka, Totaro ^{[2
]}

机构：

[1] Kyushu Univ, Grad Sch Engn, Dept Appl Chem, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan

[2] Kyushu Univ, Div Int Strategy, Ctr Future Chem, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan

来源：

APPLIED SCIENCES-BASEL | 2018年 / 8卷 / 05期

基金：

日本学术振兴会;

关键词：

ultrashort optical pulses; deep-ultraviolet region; four-wave Raman mixing; molecular phase modulation; self-diffraction frequency resolved optical gating; VACUUM-ULTRAVIOLET; FILAMENTATION; LASER; SUPERCONTINUUM; RADIATION; EMISSION; ARGON; GAS;

D O I：

10.3390/app8050784

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A two-color pump beam (800 and 1200 nm) was introduced into hydrogen for molecular phase modulation, and a probe beam (267 nm) to generate Raman sidebands, by coherent frequency modulation based on four-wave Raman mixing. The phase and temporal profile were evaluated by means of a self-diffraction frequency resolved optical gating (SD FROG) system. The relative phases among the Raman sidebands were controlled by changing the angle of a thin CaF2-plate inserted into the 267-nm beam path, suggesting that a train of 2.6-fs pulses was generated in the deep-ultraviolet region.

引用

页数：10

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