Yb-doped silica preform precursor nanoparticles and the photodarkening in them

Liangming Xiong; Edson H. Sekiya; Kazuya Saito

doi:10.1117/12.853056

2 December 2009 Yb-doped silica preform precursor nanoparticles and the photodarkening in them

Liangming Xiong, Edson H. Sekiya, Kazuya Saito

Proceedings Volume 7631, Optoelectronic Materials and Devices IV; 76311E (2009) https://doi.org/10.1117/12.853056
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

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.

Citation Download Citation

Liangming Xiong, Edson H. Sekiya, and Kazuya Saito "Yb-doped silica preform precursor nanoparticles and the photodarkening in them", Proc. SPIE 7631, Optoelectronic Materials and Devices IV, 76311E (2 December 2009); https://doi.org/10.1117/12.853056

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