Abstract

An optically pumped NH3 laser is simultaneously pumped by two pulsed CO2 lasers operating on the 9R(30) and 9R(24) transitions. Inversion is created in the NH3 2v2-to-v2 band, and line-tunable radiation is generated in the 16- to 21-μm region. The maximum pulse energy observed is 100 mJ, with a photon conversion efficiency from 9 to 18 μm of approximately 14%.

© 1993 Optical Society of America

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