工作波长为 1.4 μm 的二极管泵浦连续波 Nd:GSAG 激光器

IF 5.4 3区材料科学 Q2 CHEMISTRY, PHYSICAL

ACS Applied Energy Materials Pub Date : 2024-09-23 DOI:10.1016/j.optlastec.2024.111846

Chu Chu , Xihong Fu , Yongliang Li

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引用次数: 0

摘要

我们首次报道了工作波长为 1.4 μm 的二极管泵浦连续波 (CW) Nd:GSAG 激光器。通过旋转腔内 Lyot 滤波器，实现了分别为 1402、1426 和 1440 nm 的三个调谐波长。入射泵浦功率为 20 W 时，1440 nm 波长的最大输出功率为 2.3 W，斜率效率为 13.6%，光转换效率为 11.5%。此外，还同时获得了工作波长分别为 1402 和 1426 nm、1402 和 1440 nm、1426 和 1440 nm 的双波长激光器。入射泵浦功率为 20 W 时，1426 和 1440 nm 波长的总输出功率为 1.84 W，总斜率效率为 11.8 %，总光转换效率为 9.2 %。据我们所知，这是首次在掺钕晶体中实现工作波长为 1.4 μm 的双波长激光器。

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Diode-pumped continuous-wave Nd:GSAG lasers operating at 1.4 μm

We report a laser diode-pumped continuous-wave (CW) Nd:GSAG lasers operating at 1.4 μm for the first time. By rotating the intracavity Lyot filter, three tuning wavelengths at 1402, 1426 and 1440 nm were realized, respectively. At an incident pump power of 20 W, the maximum output power of 2.3 W at 1440 nm was obtained with the slope efficiency of 13.6 % and the optical conversion efficiency of 11.5 %. Besides, simultaneous dual-wavelength lasers operating at 1402 and 1426 nm, 1402 and 1440 nm, 1426 and 1440 nm were also obtained, respectively. At an incident pump power of 20 W, the total output power of the1426 and 1440 nm wavelengths was 1.84 W with the total slope efficiency of 11.8 % and the total optical conversion efficiency of 9.2 %. To the best of our knowledge, this is the first work realizing dual-wavelength laser operating at 1.4 μm in Nd-doped crystals.

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来源期刊

ACS Applied Energy Materials Materials Science-Materials Chemistry

CiteScore

10.30

自引率

6.20%

发文量

1368

期刊介绍： ACS Applied Energy Materials is an interdisciplinary journal publishing original research covering all aspects of materials, engineering, chemistry, physics and biology relevant to energy conversion and storage. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrate knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important energy applications.