Abstract
Lasing of Fe:ZnSe is demonstrated, for the first time to the authors’ knowledge, for temperatures ranging from 15 to 180 K. The output wavelength of the Fe:ZnSe laser was observed to tune with temperature from at 15 K to at 180 K. With an Er:YAG laser operating at as the pump source, a maximum energy per pulse of at 130 K was produced. Laser slope efficiencies of 3.2% at 19 K and 8.2% at 150 K were determined for an output coupling of 0.6%. A laser emission linewidth of at was measured at 15 K. Absorption and emission spectra and emission lifetimes for Fe:ZnSe are also discussed.
© 1999 Optical Society of America
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