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17 August 2023 Sum frequency generation of semiconductor laser based on V-shaped spectral beam combining
Yufei Zhao, Cunzhu Tong, Zhipeng Wei
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Proceedings Volume 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023); 127571M (2023) https://doi.org/10.1117/12.2690418
Event: 3rd International Conference on Laser, Optics and Optoelectronic Technology (LOPET 2023), 2023, Kunming, China
Abstract
Two 808 nm semiconductor lasers were combined by V-shaped spectral beam combining and locked at 798.8 nm, and 800.5 nm respectively. The outpower power and beam quality in the slow axis were improved significantly. The sum frequency of semiconductor lasers was realized based on the laser source. A laser with an output power of 6.5 W and beam quality of M2 = 2.2×18.5 was obtained by the spectral beam combining. The M2 in slow axis was improved by 30% and the combining efficiency was 83%. The 399.9nm sum frequency laser at a power of 18.3mW was obtained and the efficiency of sum frequency generation was 0.28%.
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Yufei Zhao, Cunzhu Tong, and Zhipeng Wei "Sum frequency generation of semiconductor laser based on V-shaped spectral beam combining", Proc. SPIE 12757, 3rd International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2023), 127571M (17 August 2023); https://doi.org/10.1117/12.2690418
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KEYWORDS
Sum frequency generation
Semiconductor lasers
Frequency conversion
High power lasers
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