8 mJ 355 nm 1 kHz burst-mode picosecond laser systems

被引：2
|
作者：
Wang, C. L. [1 ]
Chen, M. [1 ]
Xiang, H. P. [1 ]
Zhang, Z. Y. [1 ]
Tao, R. Q. [1 ]
机构：
[1] Beijing Univ Technol, Fac Mat & Mfg, Inst Laser Engn, Beijing 100124, Peoples R China
来源：
LASER PHYSICS | 2022年 / 32卷 / 04期
基金：
中国国家自然科学基金;
关键词：
harmonic generation and mixing; lasers; solid-state lasers; ultraviolet; ULTRAVIOLET PULSES; GENERATION;
D O I：
10.1088/1555-6611/ac5b76
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This paper presents an 8 mJ 355 nm 1 kHz burst-mode picosecond laser system, where the energy of each subpulse in the burst mode is 2 mJ. Under optimal operational conditions, a noncritical phase-matched LiB3O5 (LBO) crystal and a type-II angle- and phase-matched LBO crystal are used as the second- and third-harmonic generation crystals, respectively. The largest conversion efficiency from 1064 nm to 355 nm was 38%, and the highest output power at 355 nm was 8 W; further, the beam quality was measured as M-x(2) = 2.46 and M-y(2) = 2.84.
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页数：5
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