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Proceedings Paper

Optical properties of Nd3+ ions in transparent PLZT ceramics
Author(s): Zhiqiang Zheng; Hai Ming; Jiwen Yang; Baozeng Li; Hua Jiang; Xuesheng Chen; Jianping Xie
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Paper Abstract

Optical absorption, excitation and emission spectra of Nd3+ in PLZT ceramics have been studied. Based on the Judd-Ofelt (J-O) theory, the J-O intensity parameters are calculated to be Ω2=0.7199x10-20 cm2, Ω4=1.045x10-20 cm2, Ω6=0.9234x10-20 cm2 from the absorption spectrum of Nd3+-doped PLZT. The J-O intensity parameters have been used to calculate the radiative lifetime (0.385 ms) of the excited 4F3/2 level. The stimulated emission cross-sections and the fluorescence branch ratios for the 4F3/2 -> 4IJ transitions are also evaluated. We have also measured 1.068 mm fluorescence lifetime (0.168 ms) and calculated its Quantum efficiency (0.44). Under 807 nm excitation, the green and red upconversion luminescence from Nd3+ centers in the ceramic was observed at room temperature. Analysis reveals that Nd3+-doped PLZT is promising for the use as efficient optically amplifying or zero-loss electro-optical devices in telecommunication networks.

Paper Details

Date Published: 17 January 2005
PDF: 9 pages
Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); doi: 10.1117/12.572669
Show Author Affiliations
Zhiqiang Zheng, Univ. of Science and Technology of China (China)
Fujian Normal Univ. (China)
Hai Ming, Univ. of Science and Technology of China (China)
Jiwen Yang, Univ. of Science and Technology of China (China)
Baozeng Li, Univ. of Science and Technology of China (China)
Hua Jiang, Boston Applied Technologies, Inc. (United States)
Xuesheng Chen, Wheaton College (United States)
Jianping Xie, Univ. of Science and Technology of China (China)

Published in SPIE Proceedings Vol. 5644:
Optoelectronic Devices and Integration
Hai Ming; Xuping Zhang; Maggie Yihong Chen, Editor(s)

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