Report on repetition-rated erbium:glass lasers

Howard S. Keeter; Duane Scott Dewald; Milton A. Woodall II

doi:10.1117/12.60140

1 June 1992 Report on repetition-rated erbium:glass lasers

Howard S. Keeter, Duane Scott Dewald, Milton A. Woodall II

Proceedings Volume 1627, Solid State Lasers III; (1992) https://doi.org/10.1117/12.60140
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Eyesafe lasers capable of operating at moderate pulse repetitive rates have direct application for optical atmospheric data, wire avoidance, air defense, and a variety of other military and commercial systems. Such applications demand a significant increase in performance over the uncooled single-shot erbium:glass laser widely used in rangefinder systems. Varo Inc. is meeting this need with recently developed repetition-rated Er:glass laser systems. Separate solutions have been designed for the different thermal loading conditions imposed by various pulse rate/duty cycle combinations. For moderate thermal loads (up to 1 Hz for limited duty cycles), an uncooled resonator is usually adequate. For high loads (1 to 20 Hz at extended duty cycles), a flowing cooling system has been developed. For extreme conditions (continuous operation above 20 Hz), research is focused on reducing the heat load by using high-efficiency laser diode pumping.

Citation Download Citation

Howard S. Keeter, Duane Scott Dewald, and Milton A. Woodall II "Report on repetition-rated erbium:glass lasers", Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); https://doi.org/10.1117/12.60140

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