Deep-ultraviolet femtosecond laser source at 243 nm for hydrogen spectroscopy

被引：6
|
作者：
Xu, Hao [1 ]
Lu, Haoyuan [1 ,2 ]
Li, Zhaolong [1 ]
Zhao, Jianye [1 ]
机构：
[1] Peking Univ, Dept Elect, Beijing 100871, Peoples R China
[2] Shanghai Inst Aerosp Syst Engn, Shanghai 201109, Peoples R China
来源：
OPTICS EXPRESS | 2021年 / 29卷 / 11期
基金：
中国国家自然科学基金;
关键词：
FREQUENCY-COMB SPECTROSCOPY; GENERATION;
D O I：
10.1364/OE.426917
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper reports on the generation of a 100 MHz repetition rate, 1.7 mW average power and femtosecond deep-ultraviolet (DUV) 243 nm laser source. The infra-red output of a broadband Titanium-Sapphire (TiSa) laser containing 729 nm light is mixed with its second harmonic in a beta-barium borate (BBO) crystal. By manipulating the group delay dispersion (GDD), we customize the spectral shape of TiSa resonator to improve conversion efficiency. This DUV laser is employed for direct frequency comb spectroscopy of hydrogen. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：17398 / 17404
页数：7
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