Abstract

Investigations of the hydrogen vacuum ultraviolet (VUV) laser carried out in the Institute of Spectroscopy of the USSR Academy of Sciences are reviewed. Data for VUV TEA H 2 and D 2 lasers at gas pressure up to 2 atm and for low-pressure high-repetition rate hydrogen lasers axe presented. The upper limit quantum system efficiency for both gas dischaxge and e -beam excitation of H 2 lasers is discussed. The possibility of obtaining CW operation of the H 2 -VUV laser is also discussed.

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