光纤耦合蓝色激光二极管模块泵浦pr: YLF 激光器产生的 679/339.5 nm 辐射

IF 2 3区物理与天体物理 Q3 OPTICS Applied Physics B Pub Date : 2024-10-29 DOI:10.1007/s00340-024-08341-7

Wei Dou, Shanshan Hou, Xinyue Wang, Fang Ma, Huiwen Ji, Quan Zheng

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引用次数: 0

摘要

我们通过抑制 640 nm、670 nm 和 698 nm 附近的高增益跃迁，演示了 Pr.YLF 激光器在 679 nm 波长的高功率连续波 (CW) 工作：通过抑制 640 nm、670 nm 和 698 nm 附近的高增益转变，我们在 679 nm 波长处演示了高功率连续波 (CW) Pr: YLF 激光器。679 纳米波长的最大输出功率为 3.5 W。在 σ 偏振情况下，吸收的泵浦功率为 22 W。光-光转换效率相当高，达到 15.9%，2 小时内的输出功率稳定性优于 0.5%。此外，通过使用 LBO 非线性晶体，腔内二次谐波发生在 339.5 nm 波长处的输出功率达到了 620 mW。据我们所知，679/339.5 nm 波段的激光二极管泵浦激光作用是首次实现。

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679/339.5 nm radiation generation of pr: YLF laser pumped by fiber coupled blue laser diode module

We demonstrate the high-power continuous-wave (CW) operation of a Pr: YLF laser at 679 nm by suppressing the higher gain transitions near 640 nm, 670 nm and 698 nm. For 679 nm, the maximum output power is 3.5 W. The absorbed pumping power is 22 W in σ polarization. The optical-to-optical conversion efficiency is quite high, reaching 15.9%, and the output power stability in 2 h is better than 0.5%. Moreover, intracavity second harmonic generation had been achieved output power of 620 mW at 339.5 nm by using a LBO nonlinear crystal. To the best of our knowledge, laser diode-pumped laser action at 679/339.5 nm was demonstrated for what is believed to be the first time.

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来源期刊

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.