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1.中国科学院 长春光学精密机械与物理研究所, 吉林 长春 130033
2.中国科学院大学, 北京 100049
3.长春理工大学 光电工程学院, 吉林 长春 130022
4.吉林大学 物理学院, 吉林 长春 130012
5.陆装驻长春地区第一军代室, 吉林 长春 130000
[ "刘振(1999-),男,吉林长春人,硕士研究生,2021年于长春理工大学获得学士学位,主要从事被动调Q固体激光器方面的研究。Email:liuzhen22@mails. ucas. ac. cn " ]
[ "付喜宏(1980-),男,内蒙古巴彦淖尔人,博士,研究员,2008年于中国科学院长春光学精密机械与物理研究所获得博士学位,主要从事激光技术及应用方面的研究。" ]
收稿:2025-01-22,
修回:2025-02-14,
纸质出版:2025-06-25
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刘振,张益嘉,程合震等.1 064 nm被动调Q皮秒激光器研究进展[J].发光学报,2025,46(06):1109-1119.
LIU Zhen,ZHANG Yijia,CHENG Hezhen,et al.Research Progress on 1 064 nm Passively Q-switched Picosecond Lasers[J].Chinese Journal of Luminescence,2025,46(06):1109-1119.
刘振,张益嘉,程合震等.1 064 nm被动调Q皮秒激光器研究进展[J].发光学报,2025,46(06):1109-1119. DOI: 10.37188/CJL.20250017. CSTR: 32170.14.CJL.20250017.
LIU Zhen,ZHANG Yijia,CHENG Hezhen,et al.Research Progress on 1 064 nm Passively Q-switched Picosecond Lasers[J].Chinese Journal of Luminescence,2025,46(06):1109-1119. DOI: 10.37188/CJL.20250017. CSTR: 32170.14.CJL.20250017.
皮秒激光具有高脉冲能量、高功率密度和低热效应的特点,在微细加工、精准切割等方面表现出优异的性能,广泛应用于激光加工、航空航天、生物医学等领域。被动调
Q
技术通过调节谐振腔的
Q
值来实现脉冲激光输出,已成为皮秒激光产生的重要方法之一。本文综述了被动调
Q
技术在获得皮秒脉冲时的应用,重点介绍利用微片结构、半导体可饱和吸收镜(SESAM)作为可饱和吸收体和键合晶体三种不同技术手段来缩短腔长进而获得皮秒脉冲以及在获得皮秒脉冲时其他方面性能的提升。总结了近年来1 064 nm被动调
Q
技术在皮秒脉冲激光器领域的显著进展,并对被动调
Q
皮秒激光器的发展与应用进行了展望。
Picosecond lasers are characterized by high pulse energy, high power density, and low thermal effects, demonstrating exceptional performance in micro-machining, precision cutting, and other applications. They are widely utilized in fields such as laser processing, aerospace, and biomedical engineering. Passive
Q
-switching technology, which achieves pulsed laser output by modulating the
Q
-factor of the resonator, has become a key method for generating picosecond lasers. This paper reviews the application of passive
Q
-switching technology in obtaining picosecond pulses, with a focus on three distinct technical approaches: microchip structures, semiconductor saturable absorber mirrors (SESAMs) as saturable absorbers, and bonded crystals, all aimed at shortening the cavity length to achieve picosecond pulses while enhancing other performance aspects. It summarizes recent significant advancements in 1 064 nm passive
Q
-switching technology within picosecond pulsed laser systems and provides insights into the future development and applications of p
assive
Q
-switched picosecond lasers.
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