Abstract

We report on diode-pumped continuous-wave Pr-doped yttrium lithium fluoride (Pr:YLF) laser and its frequency doubling to 320 nm. The maximum output power of the 640 nm fundamental wave reached 3.44 W with a slope efficiency of about 48.3%. Using a type-I phase-matched lithium triborate (LBO) crystal as a frequency doubler, we have achieved 320 nm ultraviolet radiation with a maximum output power of 1.01 W, which is the highest power ever reported under diode pumping, to the best of our knowledge.

© 2021 Chinese Laser Press

302  nm continuous wave generation by intracavity frequency doubling of a diode-pumped Pr:YLF laser

Na Niu, Shuangshuang Pu, Qing Chen, Yan Wang, Yue Zhao, Wenjian Wu, and Quan Zheng
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Continuous-wave ultraviolet generation at 320 nm by intracavity frequency doubling of red-emitting Praseodymium lasers

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Opt. Express 31(12) 18799-18806 (2023)

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