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2-kW Average Power CW Phase-Conjugate Solid-State Laser

Zakharenkov, Yuri A. and Clatterbuck, Todd O. and Shkunov, Vladimir V. and Betin, Alexander A. and Filgas, David M. and Ostby, Eric P. and Strohkendl, Friederich P. and Rockwell, David A. and Baltimore, Robert S. (2007) 2-kW Average Power CW Phase-Conjugate Solid-State Laser. IEEE Journal of Selected Topics in Quantum Electronics, 13 (3). pp. 473-479. ISSN 1077-260X. doi:10.1109/JSTQE.2007.896565.

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We have demonstrated stable operation of a 2-kW Yb:YAG phase-conjugate master oscillator power amplifier (PC-MOPA) laser system with a loop phase-conjugate mirror (LPCM). This is the first demonstration of a continuous wave (CW)-input LPCM MOPA operating at a power greater than 1 kW with a nearly diffraction-limited output beam. The single-pass beam quality incident on the LPCM varied with the specific operating conditions, but it was typically ${sim}20$ times diffraction-limited (XDL). The measured beam quality with an MOPA output power of 1.65 kW was 1.3 XDL.

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Additional Information:© Copyright 2007 IEEE. Reprinted with permission. Manuscript received December 5, 2006; revised March 21, 2007. [Posted online: 2007-06-18] This work was supported in part by High Energy Laser Joint Technology Office and in part by Space and Airborne Systems, Raytheon, El Segundo, CA 90245. The authors would like to thank N.P. Davis, J.J. Ichkhan, R.G. Hegg, T. Matsuoka, S. McGanty, R.A. Reeder, D. Reinard, S. Sorbel, R. Zamudio, and R. Zhou for their excellent support.
Subject Keywords:Beam quality, continuous wave (CW) high-energy laser, laser amplifiers, phase-conjugatemirror (PCM), power in the bucket, solid-state laser
Issue or Number:3
Record Number:CaltechAUTHORS:ZAKieeejstqe07
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8521
Deposited By: Archive Administrator
Deposited On:17 Aug 2007
Last Modified:08 Nov 2021 20:51

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