高能3-μm Er:YAG和Er，Cr:YSGG激光器

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-04-19 DOI:10.1016/j.optcom.2025.131851

Weibo Wu , Yuchen Wang , Tiantian Zhou , Lingling Yang , Yiguang Jiang , Ting Yu , Wenlong Li , Pinghua Tang , Chujun Zhao , Xiao Li , Long Zhang

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引用次数: 0

摘要

本文报道了氙灯抽运Er:YAG和Er，Cr:YSGG激光器的自由运行和无源q开关操作的对比研究。在自由运行状态下，Er:YAG激光器的最大输出脉冲能量为0.86 J，最大平均功率为14.92 W; Er，Cr:YSGG激光器的最大输出脉冲能量为1.49 J，最大平均功率为20.65 W。利用半导体可饱和吸收镜（SESAM）首次实现了Er:YAG和Er，Cr:YSGG激光器的q开关，输出脉冲能量分别为0.28 mJ和0.12 mJ，脉冲宽度分别为1.13 μs和0.83 μs。SESAM调q 3 μm固态激光器将有助于开发用于医疗和工业应用的紧凑而强大的高能中红外脉冲激光源。

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High-energy 3-μm Er:YAG and Er,Cr:YSGG lasers Q-switched with semiconductor saturable absorbers

We report a comparative investigation of the free-running operation and the passive Q-switching operation of Er:YAG and Er,Cr:YSGG lasers pumped by xenon flashlamps. In the free-running regime, the Er:YAG laser achieved an output pulse energy up to 0.86 J, resulting in a maximum average power of 14.92 W, while the Er,Cr:YSGG laser achieved a maximum output pulse energy of 1.49 J, with a maximum average power of 20.65 W. The Q-switching of Er:YAG and Er,Cr:YSGG lasers is achieved using a semiconductor saturable absorber mirror (SESAM) for the first time, to the best of our knowledge, with output pulse energies of 0.28 mJ and 0.12 mJ and pulse widths of 1.13

μ

s and 0.83

μ

s, respectively. The SESAM Q-switched 3-

μ

m solid-state lasers shall contribute to the development of compact and robust high-energy mid-infrared pulsed laser sources for medical and industrial applications.

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.