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Research of diode-pumped cryogenic Yb:YAG amplification at 10 Hz repetition rate
Author(s): Jiangfeng Wang; Youen Jiang; Xuechun Li; Xiang Li
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Paper 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.

Paper Details

Date Published: 18 February 2011
PDF: 8 pages
Proc. SPIE 7916, High Power Lasers for Fusion Research, 79160M (18 February 2011); doi: 10.1117/12.877652
Show Author Affiliations
Jiangfeng Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Youen Jiang, Shanghai Institute of Optics and Fine Mechanics (China)
Xuechun Li, Shanghai Institute of Optics and Fine Mechanics (China)
Xiang Li, Shanghai Institute of Optics and Fine Mechanics (China)

Published in SPIE Proceedings Vol. 7916:
High Power Lasers for Fusion Research
Abdul A. S. Awwal; A. Mike Dunne; Hiroshi Azechi; Brian E. Kruschwitz, Editor(s)

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