High-Efficient Nd：YLF Q-Switched Laser Operating at 523.5 nm

An intracavity frequency doubling electro-optically Q-switched Nd： YLF 523.5 nm laser is developed. An appropriate cylindrical lens is employed in the oscillator to optimize the mode size and to improve the stability of the cavity. With an incident pump pulse energy of 58 mJ at a 500 Hz repetition r...

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Bibliographic Details
Published inChinese physics letters Vol. 31; no. 7; pp. 113 - 116
Main Author 陆婷婷 马剑 黄敏捷 杨琦 朱小磊 陈卫标
Format Journal Article
LanguageEnglish
Published 01.07.2014
Subjects
Beams (radiation)
Conversion
Direct power generation
Energy management
Frequency doubling
Holes
Lasers
Oscillators
YLF
光束质量因子
光转换效率
电光Q开关
纳米
脉冲能量
腔内倍频
调Q激光器
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ISSN0256-307X
1741-3540
DOI10.1088/0256-307x/31/7/074208

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Summary:An intracavity frequency doubling electro-optically Q-switched Nd： YLF 523.5 nm laser is developed. An appropriate cylindrical lens is employed in the oscillator to optimize the mode size and to improve the stability of the cavity. With an incident pump pulse energy of 58 mJ at a 500 Hz repetition rate, a green pulse energy of 16.8 mJ at 523.5 nm is obtained, corresponding to an optical-optical conversion efficiency of 29%. The pulse width is less than 8 ns, and the beam quality factor is M^2≤ 2.5.
Bibliography:11-1959/O4
An intracavity frequency doubling electro-optically Q-switched Nd： YLF 523.5 nm laser is developed. An appropriate cylindrical lens is employed in the oscillator to optimize the mode size and to improve the stability of the cavity. With an incident pump pulse energy of 58 mJ at a 500 Hz repetition rate, a green pulse energy of 16.8 mJ at 523.5 nm is obtained, corresponding to an optical-optical conversion efficiency of 29%. The pulse width is less than 8 ns, and the beam quality factor is M^2≤ 2.5.
Ting-Ting, MA Jian, HUANG Min-Jie, YANG Qi, ZHU Xiao-Lei, CHEN Wei-Biao（ Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800）
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ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307x/31/7/074208