The Proceedings of the Asian Symposium on Materials and Processing
Online ISSN : 2424-2853
2006
Session ID : A-17
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A-17 LUMINESCENCE CHARACTERISTICS OF Se-, Te- AND Bi-DOPED GLASSES AND TRANSPARENT GLASS-CERAMICS(Session: Glass)
Shigeki MorimotoSasithorn KhonthonYasutake Ohishi
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

The origin of coloration and luminescence of Se-, Te-and Bi-doped glasses and glass-ceramics were investigated. NIR luminescence was observed at around 1100 nm and 1200 nm in Bi-doped and Te-doped glasses and glass-ceramics, respectively. On the contrary, no NIR luminescence could be observed in Se-doped glass. It is suggested that the origin of coloration and NIR luminescence in these hosts is most likely to be caused by molecular Se_2 (Se_2^->, Te_2 <Te_2^-> and Bit <Bi_2^->.

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© 2006 The Japan Society of Mechanical Engineers
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