$Reduced photorefraction in hafnium-doped single-domain and periodically-poled lithium niobate crystals$

Reduced photorefraction in hafnium-doped single-domain and periodically-poled lithium niobate crystals

Measurements of photo-induced birefringence n single domain and periodically poled lithium niobate (LN) crystals containing different non-photorefractive impurities are presented. We find that doping by HfO/sub 2/ is very effective in reducing the photorefraction.

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Bibliographische Detailangaben
Hauptverfasser:	Razzari, L., Kokanyan, E.P., Cristiani, I., Degiorgio, V., Gruber, J.B.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Birefringence Crystals Doping Impurities Lithium niobate Optical materials Optical refraction Optical wavelength conversion Photorefractive effect Photorefractive materials
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Beschreibung
Zusammenfassung:	Measurements of photo-induced birefringence n single domain and periodically poled lithium niobate (LN) crystals containing different non-photorefractive impurities are presented. We find that doping by HfO/sub 2/ is very effective in reducing the photorefraction.