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Proceedings Paper

LiYF4 (YLF) single crystals doped with rare-earth elements
Author(s): E. Kowalczyk; Z. Kowalczyk; K. Grasza; M. Gala; Tadeusz Lukasiewicz
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Paper Abstract

LiYF4 (YLF) is a very promising host material for lasers. Investigation of the spectroscopic and physical properties of YLF:Nd has suggested that this material may be a better candidate than Nd:YAG for generating short pulses with high peak power. This is a distinct advantage for many applications. Stimulated emission is attained at 1053 nm and 1047 nm. Also upconservation laser action in YLF and YLF:Er crystals is reported. More recently YLF doped with rare-earth elements has gained some attention. Pulsed room-temperature laser action at 2.06 micrometer has been achieved using YLF:Ho sensitized with Er and Tm. Using YLF:Pr blue light emission at 479 nm at room temperature was observed. Growth experiments of YLF:Nd crystals were carried by the Bridgman method. A vacuum furnace with cylindrical molybdenum heater and graphite crucible have been used. The temperature gradient of 25 degrees Celsius/cm has been achieved by using a stainless steel liner in the lower part of the furnace. The growth was performed in a nitrogen atmosphere. First crystals of YLF:Nd have been obtained.

Paper Details

Date Published: 16 October 1995
PDF: 6 pages
Proc. SPIE 2373, Solid State Crystals: Materials Science and Applications, (16 October 1995); doi: 10.1117/12.224989
Show Author Affiliations
E. Kowalczyk, Institute of Vacuum Technology (Poland)
Z. Kowalczyk, Warsaw Univ. of Technology (Poland)
K. Grasza, Institute of Physics (Poland)
M. Gala, Institute of Electronic Materials Technology (Poland)
Tadeusz Lukasiewicz, Institute of Electronic Materials Technology (Poland)


Published in SPIE Proceedings Vol. 2373:
Solid State Crystals: Materials Science and Applications
Jozef Zmija, Editor(s)

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