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IJSTR >> Volume 9 - Issue 1, January 2020 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Dy3+ Doped Glasses For White Light Applications : A Short Review

[Full Text]



K. S. R. K. Reddy, K. Swapna, Sk. Mahamuda, M. Venkateswarlu, M. V. V. K. Srinivas Prasad



Colour coordinates, Covalent nature, Dy3+ ions doped glasses, Judd-Ofelt intensity parameters, Low symmetry, Stimulated emission cross-section, Y/B ratio.



Recently published various Dy3+ ions doped glass materials were taken for analysis to understand their white light emission behavior and to correlate that behavior with their optical properties. The structural properties of the materials were analyzed using their Judd-Ofelt (J-O) intensity parameters. All the selected glasses have shown covalent nature for the Dy3+-Oxygen bond and low symmetry around Dy3+ ion sites. The colour coordinates (X, Y) which are crucial in understanding white light behavior have found a relation with the optical property stimulated emission cross-section of the selected glasses. The glasses with higher σse values have the colour coordinates of X and Y > 0.4 which are far from the standard colour coordinates (X=0.333, Y=0.333) and the glasses with lesser σse values have the colour coordinates of X and Y < 0.4 which are nearer to the standard colour coordinates (X=0.333, Y=0.333).



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