ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): Y.N.Ch. Ravi Babu, S.V.G.V.A. Prasad, M. Kiran Kumar, A. Suresh Kumar

Email(s): ynchravibabu@gmail.com

DOI: Not Available

Address: Y.N.Ch. Ravi Babu1,* S.V.G.V.A. Prasad2, M. Kiran Kumar3, A. Suresh Kumar4
1The Hindu College, Machilipatnam-521001, India
2Ideal College, Kakinada-533006, India
3USIC, Sri Venkateswara University, Tirupati -517 502, India
4Sri Padmavathi Mahila University, Tirupati -517 502, India
*Corresponding Author

Published In:   Volume - 7,      Issue - 11,     Year - 2014


ABSTRACT:
The heavy metal oxide lead bismuth magnesium borophosphate glass systems (LBMBPD)dysprosium ions doped with the molar compositions of (50-x) PbO - x Bi2O3-25MgHPO4-24B2O3- 1Dy2O3 (where x = 10, 20, 30, and 40 mol %) were prepared using conventional melt quenching technique. The spectral data from the optical absorption photoluminescence were utilized to evaluate various spectroscopic parameters. The Judd-Ofelt parameterization employed reflects the covalency and vibration frequencies of the ligands with dysprosium ions. The radiative parameters such as radiative transition probabilities (A), the total radiative transitional probabilities (AT), radiative life times (tR), branching ratios (ß) and absorption cross sections (?) were computed for certain lasing levels. The emission cross sections (se) for the significant lasing transitions 4F9/2? 6H13/2 and 4F9/2 ? 6H15/2 evaluated from the photoluminescence spectra were reported. The radiative properties thus obtained in our investigations reflect their potentialities as good lasing candidates.


Cite this article:
Y.N.Ch. Ravi Babu, S.V.G.V.A. Prasad, M. Kiran Kumar, A. Suresh Kumar. Fluorescence Features of Dy3+ Doped PbO-Bi2O3 Borophosphate Glasses. Asian J. Research Chem. 7(11): November, 2014; Page 913-918.


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