Compact Nd3+-based laser system with gain G < 1013 and output energy of 20 J

Andrei Babushkin; John H. Kelly; Christopher T. Cotton; M. A. Labuzeta; M. O. Miller; T. A. Safford; R. G. Roides; Wolf D. Seka; Ingo Will; M. D. Tracy; David L. Brown

doi:10.1117/12.354217

23 July 1999 Compact Nd³⁺-based laser system with gain G ≤10¹³ and output energy of 20 J

Andrei Babushkin, John H. Kelly, Christopher T. Cotton, M. A. Labuzeta, M. O. Miller, T. A. Safford, R. G. Roides, Wolf D. Seka, Ingo Will, M. D. Tracy, David L. Brown

Author Affiliations +

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354217
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

Abstract

We have developed a compact laser system capable of amplifying nanosecond-scale pulses form a few picojoules to 20J. The system has a 40-mm clear aperture and a 37-mm working aperture for high-energy output. We measured less than 1 wave phase distortion over full 37-mm aperture for a pulse with 18-J output energy at a shot repetition rate of one shot every 10 min. In experiments with a 30-mm diam beam, a flat-top spatial profile with 4 percent rms over the entire beam diameter was demonstrated for a 1-ns pulse with 20_j output energy. The amplifier has a net gain up to 10¹³ and fits easily on a 5-ft X 14-ft optical table.

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Andrei Babushkin, John H. Kelly, Christopher T. Cotton, M. A. Labuzeta, M. O. Miller, T. A. Safford, R. G. Roides, Wolf D. Seka, Ingo Will, M. D. Tracy, and David L. Brown "Compact Nd³⁺-based laser system with gain G ≤10¹³ and output energy of 20 J", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354217

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