A picosecond widely tunable deep-ultraviolet laser for angle-resolved photoemission spectroscopy

被引:5
|
作者
Zhang Feng-Feng [1 ,3 ]
Yang Feng [1 ]
Zhang Shen-Jin [1 ]
Xu Zhi [1 ]
Wang Zhi-Min [1 ]
Xu Feng-Liang [1 ]
Peng Qin-Jun [1 ]
Zhang Jing-Yuan [1 ]
Wang Xiao-Yang [2 ]
Chen Chuang-Tian [2 ]
Xu Zu-Yan [1 ]
机构
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Funct Crystal & Laser Technol, Res Ctr Laser Phys & Technol, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing Ctr Crystal R&D, Key Lab Funct Crystal & Laser Technol, Beijing 100190, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100190, Peoples R China
基金
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词
tunable laser; deep ultraviolet; walk-off compensation; KBBF crystal; PRISM-COUPLED DEVICE; KBE2BO3F2; CRYSTAL; TISAPPHIRE LASER; KBBF CRYSTAL; GENERATION; LIGHT; NM;
D O I
10.1088/1674-1056/22/6/064212
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We develop a picosecond widely tunable laser in a deep-ultraviolet region from 175 nm to 210 nm, generated by two stages of frequency doubling of a 80-MHz mode-locked picosecond Ti:sapphire laser. A beta-BaB2O4 walk-off compensation configuration and a KBe2BO3F2 prism-coupled device are adopted for the generation of second harmonic and fourth harmonics, respectively. The highest power is 3.72 mW at 193 nm, and the fluctuation at 2.85 mW in 130 min is less than +/- 2%.
引用
收藏
页数:3
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