Ho:YAG Thin-Disk Laser with 230 W Multimode and 150 W Single-Mode Output
Xiyi Wang, Xudong Yan, Weichao Yao, and Yuxin Leng
TL;DR
This paper reports a high-power continuous-wave Ho:YAG thin-disk laser achieving 230 W multimode and 152.3 W single-mode outputs with high efficiency and beam quality.
Contribution
The work demonstrates a Ho:YAG thin-disk laser reaching unprecedented watt-level power with high efficiency and excellent beam quality in both multimode and single-mode operation.
Findings
Multimode output power reaches 230 W with 35.9% slope efficiency.
Single-mode output power reaches 152.3 W with near-diffraction-limited beam quality.
The laser exhibits high optical-to-optical conversion efficiency.
Abstract
We report a continuous-wave Ho:YAG thin-disk laser operating at the hundred-watt power level. In multimode operation, the laser delivers a maximum output power of 230 W, with a slope efficiency of 35.9% and an optical-to-optical conversion efficiency of 35.3%. In single-mode operation, an output power of 152.3 W is achieved, with beam quality factors M2 of 1.08 and 1.06 in the horizontal and vertical directions, respectively.
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