Abstract
A sequence CO2 laser is used to pump NH3 optically to produce laser action in the 12-μm region. The pump-frequency offsets for the 9.4-μm P(7) and P(17) sequence lines are measured to be 86 and 142 MHz, respectively. These small offsets enable efficient laser operation to be obtained at low pumping powers.
© 1980 Optical Society of America
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