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Spectral Hole Burning in Sol-Gel-Derived Eu3+-Doped Al2O3-B2O3-SiO2 Glass

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Abstract:

Al2O3-B2O3-SiO2 glass containing europium ions was prepared by a sol-gel method. The excitation spectrum of the Eu3+ ions in the glass consists of the charge transfer and f-f transition absorptions of the Eu3+ ions. The emission spectrum indicates the coexistence of the Eu2+ and Eu3+ ions. The formation of some reducing agents in the heat-treatment process should be responsible for the reduction from Eu3+ to Eu2+ ions. The fluorescence line-narrowing spectra reveal that there are two different environments for the Eu3+ ions. Persist spectral hole was burned in the excitation of the 5D0-7F0 transition of the Eu3+ ions. We suggested a possible mechanism on the persistent spectral hole burning of the Eu3+ ion in the glass.

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AICAM 2005 View Preview

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Periodical:

Advanced Materials Research (Volumes 11-12)

Pages:

201-204

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.11-12.201

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Online since:

February 2006

Authors:

Hong Peng You, Tomokatsu Hayakawa, Masayuki Nogami

Keywords:

Eu3+ Ion, Glass, Optical Property, Persistent Spectral Hole Burning

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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