声光调q腔内倍频pr: YLF - BiB3O6激光器发射的360 nm紫外脉冲激光

IF 2 3区 物理与天体物理 Q3 OPTICS
GuoFeng Xu, Shuxian Wang, Fei Liang, Dazhi Lu, Kui Wu, Huaijin Zhang, Haohai Yu, Pingzhang Yu, Zhengping Wang
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引用次数: 0

摘要

本文首次利用腔内倍频二极管泵浦调q Pr: YLF激光器实现了360 nm紫外脉冲激光。声光调制器作为主动调q器,BiB3O6 (BiBO)晶体作为倍频器。成功地获得了重复频率为20khz的调q激光器,表现出优异的性能。其最大平均输出功率为1.01 W,最大单脉冲能量为50.5µJ,最小脉冲持续时间仅为30 ns,最大峰值功率高达1.68 kW。当重复频率调整为50 kHz时,360 nm激光器的吸收泵浦功率为6.6 W,该激光器的最大平均输出功率攀升至1.36 W,相应的光转换效率为20.6%。这种新型紫外激光器在环境探测、太赫兹波产生、光谱分析、显微成像和生物技术等领域具有广阔的应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
360 nm ultra-violet pulse laser emission from an acousto-optical Q-switched, intracavity frequency-doubled pr: YLF - BiB3O6 laser

For the first time, we realized 360 nm ultraviolet (UV) pulse laser by intracavity frequency doubling of a diode-pumped Q-switched Pr: YLF laser. An acousto-optic modulator was used as the active Q-switcher, and a BiB3O6 (BiBO) crystal served as the frequency doubler. A Q-switched laser was successfully obtained at a repetition frequency of 20 kHz, demonstrating excellent performance. Its maximum average output power reached 1.01 W, the maximum single-pulse energy was 50.5 µJ, the minimum pulse duration was merely 30 ns, and the maximum peak power was as high as 1.68 kW. When the repetition frequency was adjusted to 50 kHz, and the absorbed pump power of the 360 nm laser was 6.6 W, this laser’s maximum average output power climbed to 1.36 W, with a corresponding optical conversion efficiency of 20.6%. This novel UV laser is promising to be applied to many fields, such as environmental detection, THz wave generation, spectral analysis, microscopic imaging, and biotechnology.

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来源期刊
Applied Physics B
Applied Physics B 物理-光学
CiteScore
4.00
自引率
4.80%
发文量
202
审稿时长
3.0 months
期刊介绍: Features publication of experimental and theoretical investigations in applied physics Offers invited reviews in addition to regular papers Coverage includes laser physics, linear and nonlinear optics, ultrafast phenomena, photonic devices, optical and laser materials, quantum optics, laser spectroscopy of atoms, molecules and clusters, and more 94% of authors who answered a survey reported that they would definitely publish or probably publish in the journal again Publishing essential research results in two of the most important areas of applied physics, both Applied Physics sections figure among the top most cited journals in this field. In addition to regular papers Applied Physics B: Lasers and Optics features invited reviews. Fields of topical interest are covered by feature issues. The journal also includes a rapid communication section for the speedy publication of important and particularly interesting results.
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