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Feng Qin

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Proceedings Article | 18 March 2024 Paper

Measurement method of laser beam quality of solid-state laser

Xingjuan Mi, Jianfeng Liu, Feng Qin, Yijing Yang, Guoyang Gao

Proceedings Volume 13104, 131042Y (2024) https://doi.org/10.1117/12.3023283

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The beam quality M² is an important index to evaluate the transmission characteristics of the laser beam. The beam quality M² factor is an important parameter to reflect the solid-state laser beam quality M². This paper introduces the test environment, work state and testing method of measurement system for testing laser M², and analyzes the method of reducing the test uncertainty of M² factor. By restricting the test environment and test state, and combining with the method of reducing M² factor test uncertainty, the stability of the measurement condition is guaranteed, and the accuracy of measurement system is improved.

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