Abstract
Abstract A pulsed, grazing incidence dye laser has been designed to oscillate at a repetition rate of 6·5 kHz in a single, narrow and stable, axial mode with a high excitation conversion efficiency. A single mode efficiency of 12% has been measured in a near diffraction limited beam. No measurable fluctuations of the central laser wavelength or the 100–150 MHz single mode linewidth were observed during an hour of observation. The effect of grating incident angle and dye flow rate on laser operation have been investigated and a correlation has been found between the state of polarization of the dye laser output and the polarization of the pump laser.
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