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13 March 2024 83W/38fs Yb:YAG laser based on Innoslab amplifier and post pulse compressor
Xiaoyan Liang, Jie Guo, Yongxi Gao, Zichen Gao
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Proceedings Volume PC12864, Solid State Lasers XXXIII: Technology and Devices; PC128640A (2024) https://doi.org/10.1117/12.3007145
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
We present a chirped pulse amplification (CPA) Yb:YAG laser based on Innoslab amplifier and post pulse-compression technique to achieve an average power of 83 W at a repetition rate of 175 kH with pulse width of 38 fs. The diode laser pumped Innoslab amplifier with a plane-convex hybrid cavity efficiently suppressed the self-lasing to reach high power amplification, while achieve a nearly diffraction-limited beam quality. After the grating compressor, two stages of post-compression were used for shorter pulse width. The final compressed beam quality was characterized as M2=1.2, with a measured long time power stability of 0.28%.
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Xiaoyan Liang, Jie Guo, Yongxi Gao, and Zichen Gao "83W/38fs Yb:YAG laser based on Innoslab amplifier and post pulse compressor", Proc. SPIE PC12864, Solid State Lasers XXXIII: Technology and Devices, PC128640A (13 March 2024); https://doi.org/10.1117/12.3007145
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KEYWORDS
Pulse signals
Pulsed laser operation
Diffraction gratings
High power lasers
Semiconductor lasers
Time metrology
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