Efficient injection locking of an e-beam-excited XeF laser

Abstract
Narrowband ultraviolet radiation from a frequency-doubled dye laser has been used to control the linewidth and polarization of a long pulse length, electron-beam-excited XeF laser. Linewidths of 0.004 nm have been achieved in the 353-nm band of the XeF B→X laser transition. Over 90% of the energy in the free-running laser pulse has been extracted in the narrowband injection-locked pulse. Ratios of injection signal power to output laser power on the order of 1:5000 are adequate for efficient injection-locking to occur.

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