Abstract
We have investigated the near resonance tuning behavior and line shape of a high-power short-pulse, optically pumped, CH3F far-infrared (FIR) laser using heterodyne techniques. The CH3F laser operates on the Q(12) transition, λ = 496 μm. Our study of the CH3F system is unique in combining two important capabilities, a tunable, narrow-width single-mode pump laser and a heterodyne receiver with a resolution of 10 MHz for single laser shots. Previous studies of CH3F have either used widely tunable wideband pumps and low-precision frequency diagnostics1 or high-precision frequency diagnostics (heterodyne receivers) and fixed frequency pumps.2,3
© 1988 Optical Society of America
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