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Proceedings Paper

Yb-doped silica preform precursor nanoparticles and the photodarkening in them
Author(s): Liangming Xiong; Edson H. Sekiya; Kazuya Saito
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Paper Abstract

A series of Yb-doped silica-based nanoparticles were fabricated in the MCVD process. Their compositions and doping levels were well controlled from 0 to 0.53 wt% for Yb and from 0 to 2.1 wt% for Al. The nanoparticles are of about 21.3 ± 4.6 nm in size, but their sizes and NIR absorption are influenced by the Al concentration. At a fixed Al doping level, the NIR absorption depends on the Yb concentration. The nanoparticles exhibit a strong composition dependence of the photodarkening induced by the X-ray irradiation.

Paper Details

Date Published: 2 December 2009
PDF: 8 pages
Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76311E (2 December 2009); doi: 10.1117/12.853056
Show Author Affiliations
Liangming Xiong, Toyota Technological Institute (Japan)
Edson H. Sekiya, Toyota Technological Institute (Japan)
Kazuya Saito, Toyota Technological Institute (Japan)

Published in SPIE Proceedings Vol. 7631:
Optoelectronic Materials and Devices IV
Jian-Jun He; Guang-Hua Duan; Fumio Koyama; Ming C. Wu, Editor(s)

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