Abstract
A giant pulse ruby laser was used to optically pump a hydrogen gas laser oscillator, operating at the first Stokes-shifted Raman line at 0.975 μ. Transverse mode control of the high-Q, curved mirror resonator was provided by controlling the geometry of the pump beam; this allowed operation in the fundamental (TEM00) mode of the cavity. Operating characteristics, including threshold, beam divergence, and spatial and temporal behavior, are discussed.
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