CO - doping effects on SrWO4: Nd3+ crystals for Raman lasers

The strontium tungstate (SrWO4) crystals doped with laser active RE3+ (rare earths) ions can act as multifunctional systems, combining the laser and Raman scattering properties. To bring some insight in the charge compesation mechanisms connected with substitution of the Sr2+ host cations with RE3+,...

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Bibliographic Details
Published in:	Journal of Optoelectronics and Advanced Materials Vol. 10; no. 6; pp. 1353 - 1356
Main Authors:	Achim, A, Gheorghe, L, Lupei, V, Lupei, A, Gheorghe, C, Stoicescu, C
Format:	Journal Article
Language:	English
Published:	01-06-2008
Online Access:	Get full text
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Summary:	The strontium tungstate (SrWO4) crystals doped with laser active RE3+ (rare earths) ions can act as multifunctional systems, combining the laser and Raman scattering properties. To bring some insight in the charge compesation mechanisms connected with substitution of the Sr2+ host cations with RE3+, the high-resolution optical spectra at low temperatures on Nd: SrWO4 single doped crystals and co-doped with Nb5+ or Na+ ions were performed. The crystal growth conditions and structural results are presented too. The high-resolution optical absorption data at 15 K reveal a multicenter structure (up to five centers). A comparative analysis of the Nds+ spectra in single doped or in (Nd, Na) and (Nd, Nb) co-doped SrWO4 crystals is presented.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	1454-4164