Broadband downconversion from oxygen-deficient centers to Yb3+ in germanate glasses
JOSA B, Vol. 26, Issue 11, pp. 2185-2188 doi:10.1364/JOSAB.26.002185
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- OCIS Codes:
- (160.2220) Materials : Defect-center materials
- (160.2750) Materials : Glass and other amorphous materials
- (300.6340) Spectroscopy : Spectroscopy, infrared
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Yixi Zhuang, Yu Teng, Jiajia Zhou, Song Ye, Xiaofeng Liu, Geng Lin, Jian Ruan, and Jianrong Qiu, "Broadband downconversion from oxygen-deficient centers to Yb3+ in germanate glasses," J. Opt. Soc. Am. B 26, 2185-2188 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-11-2185
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We report broadband downconversion from ultraviolet to near-infrared in Yb3+-doped oxygen-deficient SrO-Al2O3-GeO2 glasses. Oxygen-deficient centers are introduced in germanate glasses by adding metal Al instead of corresponding oxide (Al2O3). Tunable luminescence related to these defects is observed. Conversion of broadband ultraviolet light to blue-green tunable luminescence and to near-infrared emission is detected in glasses. The energy transfer efficiency increases with increasing Yb2O3 concentration. The dependence of energy transfer efficiency on wavelength is also discussed.
© 2009 Optical Society of America
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History
Original Manuscript: June 18, 2009
Manuscript Accepted: October 1, 2009
Revised Manuscript: September 25, 2009
Published: October 28, 2009
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Author Affiliations
Chinese Academy of Sciences
Zhejiang University
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