Power-scalable thin-disk Ti:sapphire laser amplifier

We experimentally demonstrate a 38-fs chirped-pulse amplified (CPA) Ti:sapphire laser system based on the power-scalable thin-disk scheme with an average output power of 1.45 W at a repetition rate of 1 kHz, corresponding to peak power of 38 GW. The beam profile close to the diffraction limit with a...

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Bibliographic Details
Published in:Optics letters 2022-11, Vol.47 (21), p.5634-5637
Main Authors: Jiang, Jianwang, Zhang, Xu, Wang, Zhaohua, Teng, Hao, Fang, Shaobo, Zhu, Jiangfeng, Wei, Zhiyi
Format: Article
Language:English
Subjects:
Amplification
Amplifiers
Sapphire
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Summary:We experimentally demonstrate a 38-fs chirped-pulse amplified (CPA) Ti:sapphire laser system based on the power-scalable thin-disk scheme with an average output power of 1.45 W at a repetition rate of 1 kHz, corresponding to peak power of 38 GW. The beam profile close to the diffraction limit with a measured M value of approximately 1.1 is obtained. It demonstrates the potential for an ultra-intense laser with high beam quality compared with the conventional bulk gain amplifier. To the best of our knowledge, this is the first reported Ti:sapphire regenerative amplifier based on the thin-disk approach reaching 1 kHz.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.473945