Abstract
A time-gated gain cell has been demonstrated as a method for producing single-longitudinal-mode output from a pulsed transverse, electric, atmospheric (TEA) carbon dioxide laser. The gain cell is operated as an oscillator during the time between the laser pulses and is rapidly dropped below threshold during the TEA pulse output to avoid degradation of the gain-switched spike in the laser pulse. Standard dither-stabilization techniques can be used during the time between the laser pulses (cw oscillation) to position the output coupler for single-mode operation and frequency stabilization while the gain cell is operated above threshold.
Published Version
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