FAR-INFRARED LASING IN H2S, OCS, AND SO2

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Abstract
Twenty‐four lasing lines have been found in an H2S laser in the range 33 to 225 μ, three lines in SO2 at 141, 151, and 215 μ, and two lines in OCS at 123 and 132 μ. Comparing H2S to H2O, the pulse power outputs are about equal and the lines about as numerous. However, while the H2O lines essentially lase during the exciting 5‐μsec current pulse, the H2S lines turn on about 20–30 μsec after the 5‐μsec current pulse and last for 20 to 100 μsec.
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