Document Detail


White light generation in Dy<sup>3+</sup>-doped oxyfluoride glass and transparent glass-ceramics containing CaF<sub>2</sub> nanocrystals.
MedLine Citation:
PMID:  21368998     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The radiative emission properties of the Dy<sup>3+</sup> ions in an oxyfluoride glass and glass-ceramics have been studied for the generation of white light. The x-ray diffraction pattern of the glass-ceramics shows the formation of CaF<sub>2</sub> fluorite-type nanocrystals in the glass matrix after a suitable thermal treatment of the precursor glass, whereas time-resolved optical measurements show the incorporation of the Dy<sup>3+</sup> ions in the CaF<sub>2</sub> nanocrystals. Intense white light has been observed when the samples are excited with 451 nm laser light. From the visible emission spectra, yellow to blue intensity ratios and the chromaticity color coordinates have been determined. All the color coordinates are found to lie in the white light region of the chromaticity color diagram.
Authors:
P Babu; Kyoung Hyuk Jang; Ch Srinivasa Rao; Liang Shi; C K Jayasankar; Víctor Lavín; Hyo Jin Seo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Optics express     Volume:  19     ISSN:  1094-4087     ISO Abbreviation:  Opt Express     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-03-03     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137103     Medline TA:  Opt Express     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1836-41     Citation Subset:  IM    
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