1996 年 116 巻 12 号 p. 1364-1369
Lifetime of solid-state lasers is limited by the Kr arc lamps for optical pumping. The causes to shorten the lifetime of lamp have been investigated. Consequently, a new lamp with long lifetime was developed by adopting a cathode with tapered structure which functioned as a thermionic emission type. The lifetime of new lamp is about 3-10 times compared with commercially available lamps.
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