Abstract

Detailed measurements of small-signal gain coefficients in an optically pumped 4.3-μm CO2 laser are presented. The transient 4.3-μm gain is characterized by peak values of ~14%/cm and a lifetime of a few hundred nanoseconds. The processes that control the gain dynamics and the related design considerations for efficient operation of the 4.3-μm CO2 laser are discussed.

© 1984 Optical Society of America

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