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Proceedings Paper

Diode-pumped 275-watt average power Nd:YAG slab laser
Author(s): Brian J. Comaskey; Raymond J. Beach; George F. Albrecht; William J. Benett; Barry L. Freitas; Charles S. Petty; David Van Lue; David C. Mundinger; Richard W. Solarz
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Paper Abstract

We have developed and tested stackable microchannel cooled laser bar diode pump packages suitable for direct face pumping of slab lasers at high duty factor. A stack of 41 diode packages gives a pump array of 13.5 cm2 and produces a peak power of 3750 watts and an average power of 1000 watts, for an average irradiance of 75 watts/cm2. A high average power, total internal reflection face pumped Nd:YAG laser using 80 diode packages has been constructed. Average power of 275 watts is obtained at 2.5 kHz pulse repetition rates and 100 microsecond current pulse widths.

Paper Details

Date Published: 1 June 1992
PDF: 5 pages
Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); doi: 10.1117/12.60153
Show Author Affiliations
Brian J. Comaskey, Lawrence Livermore National Lab. (United States)
Raymond J. Beach, Lawrence Livermore National Lab. (United States)
George F. Albrecht, Lawrence Livermore National Lab. (United States)
William J. Benett, Lawrence Livermore National Lab. (United States)
Barry L. Freitas, Lawrence Livermore National Lab. (United States)
Charles S. Petty, Lawrence Livermore National Lab. (United States)
David Van Lue, Lawrence Livermore National Lab. (United States)
David C. Mundinger, Lawrence Livermore National Lab. (United States)
Richard W. Solarz, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 1627:
Solid State Lasers III
Gregory J. Quarles, Editor(s)

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