Research of diode-pumped cryogenic Yb:YAG amplification at 10 Hz repetition rate

Jiangfeng Wang; Youen Jiang; Xuechun Li; Xiang Li

doi:10.1117/12.877652

18 February 2011 Research of diode-pumped cryogenic Yb:YAG amplification at 10 Hz repetition rate

Jiangfeng Wang, Youen Jiang, Xuechun Li, Xiang Li

Author Affiliations +

Proceedings Volume 7916, High Power Lasers for Fusion Research; 79160M (2011) https://doi.org/10.1117/12.877652
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

The spectrum characteristic of cryogenic has been investigated and the cryogenic Yb:YAG amplification has been developing. As the temperature decreases, the stimulated emission cross section increasing rapidly with the center wavelength becoming short and the gain spectrum bandwidth narrowed. A diode-pumped cryogenic Yb:YAG regenerative amplifier at 10Hz repetition rate has been carrying out. Temperature of the Yb: YAG crystal has been controlled between 185K and 190K. A ~100 pJ optical pulse with 10 ns time duration and 10 Hz repetition rate at 1030 nm wavelength is inject into the regenerative amplifier. ~10.5 mJ output energy at 10 Hz from the regenerative amplifier with a square-pulse distortion of ~1.5 and an output-pulse-energy fluctuation of 7% was achieved.

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Jiangfeng Wang, Youen Jiang, Xuechun Li, and Xiang Li "Research of diode-pumped cryogenic Yb:YAG amplification at 10 Hz repetition rate", Proc. SPIE 7916, High Power Lasers for Fusion Research, 79160M (18 February 2011); https://doi.org/10.1117/12.877652

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