Diode-pumped 275-watt average power Nd:YAG slab laser

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

doi:10.1117/12.60153

1 June 1992 Diode-pumped 275-watt average power Nd:YAG slab laser

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

Author Affiliations +

Proceedings Volume 1627, Solid State Lasers III; (1992) https://doi.org/10.1117/12.60153
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

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.

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Brian J. Comaskey, Raymond J. Beach, George F. Albrecht, William J. Benett, Barry L. Freitas, Charles S. Petty, David Van Lue, David C. Mundinger, and Richard W. Solarz "Diode-pumped 275-watt average power Nd:YAG slab laser", Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); https://doi.org/10.1117/12.60153

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