NASA NTRS · 19780000323
Vacuum-ultraviolet laser uses superfluid helium
Abstract
Vacuum ultra violet laser in wavelength around 0.800 microns is produced by using optical pumping to increase lifetimes of excited metastable molecules in super fluid helium. In method, super fluid helium is pumped electronically to produce excited HE2, and then pumped by circularly polarized 0.9096 - micron radiation to aline excited HE2 molecular spins. High power ultraviolet radiation has potential applications in molecular reaction studies, power transmission in space, and biomedical research.
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Zmuidzinas, J. S.. 1979-01-01. Vacuum-ultraviolet laser uses superfluid helium. https://ntrs.nasa.gov/citations/19780000323
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