Abstract

Stable, tunable, pulsed laser operation based on the N2 color center in additively colored pure KCl is reported. The laser tunes smoothly from 1.23 to 1.35 μm when pumped by a 1.06-μm Q-switched Nd:YAG laser at kilohertz repetition rates. 42-mW average output power at 1.28 μm was achieved for 1-W average incident pump power. No power fading has been observed over several weeks of day-to-day operation.

© 1988 Optical Society of America

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