Stepwise three photon absorption and vacuum ultraviolet fluorescence in neodymium-doped lithium yttrium fluoride

Summary form only given. Transitions between the 4f/sup 2/5d configuration and the lower levels of the 4f/sup 3/ configuration in Nd/sup 3+/:YLF and Nd/sup 3+/:LaF/sub 3/ have been shown to be promising candidates for UV and VUV lasers. Hitherto these lasers have been pumped by exotic VUV F/sub 2/ l...

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Bibliographic Details
Main Authors: Thogersen, J., Gill, J.D., Haugen, H.K.
Format: Conference Proceeding
Language:English
Subjects:
Electromagnetic wave absorption
Electron beams
Energy states
Fluorescence
Laser excitation
Laser theory
Laser transitions
Lithium
Physics
Pump lasers
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Summary:Summary form only given. Transitions between the 4f/sup 2/5d configuration and the lower levels of the 4f/sup 3/ configuration in Nd/sup 3+/:YLF and Nd/sup 3+/:LaF/sub 3/ have been shown to be promising candidates for UV and VUV lasers. Hitherto these lasers have been pumped by exotic VUV F/sub 2/ lasers or VUV fluorescence from Kr/sub 2/* dimers excited by electron beams. In this paper, stepwise three-photon excitation of the 4f/sup 2/5d configuration in Nd/sup 3+/:YLF is investigated with nanosecond laser pulses.