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Laser-Induced Damage in Optical Materials
book

Laser-Induced Damage in Optical Materials

by Detlev Ristau
December 2014
Intermediate to advanced content levelIntermediate to advanced
551 pages
23h 57m
English
CRC Press
Content preview from Laser-Induced Damage in Optical Materials
292
Laser-Induced Damage in Optical Materials
pumped by Nd:YAG lasers. However, its use in high optical power devices is limited due
to a photorefractive eect causing strong beam distortions at relatively weak intensi-
ties (150 W/cm
2
at 532nm [115]). A large number of articles can be found concerning
the photorefractive eect in LN (oen named “optical damage,” although the eect is
usually reversible).
In lithium niobate crystals, this phenomenon is mainly due to Fe impurities and Nb
Li
intrinsic defects (i.e., Nb
5+
in Li
+
sites, also called antisites) [24,40]. erefore, the pho-
torefractive threshold can be improved by decreasing the Fe co ...
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Publisher Resources

ISBN: 9781439872161