On the near-infrared luminescence from TeO_2 containing borate glasses
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概要
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The effects of melting temperature and glass composition on the Near-infrared (NIR) luminescent characteristics of Tecontaining borate glasses are investigated and compared with previous works. Three absorption bands are detected at around 〜370 nm, 〜430 nm and 〜530 nm, however, the absorption band at around 〜600 nm could not be detected in all borate glasses. And no NIR luminescence was observed under the excitation of a 974 nm laser diode. The NIR luminescence was observed in Te-green and Te-purple glasses, which showed the absorption band at around 〜600 nm. This absorption band was ascribed to ^2Пg → ^2Пu transition of Te_2^-. Consequently, it is suggested that the origin of NIR luminescence of Te-containing green and purple glass is likely to be caused by Te_2^- center. (Not to sure of the meaning of this sentence...)
- 社団法人日本セラミックス協会の論文
- 2008-07-01
著者
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SUZUKI Takenobu
Research Center for Advanced Photon Technology, Toyota Technological Institute
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OHISHI Yasutake
Research Center for Advanced Photon Technology, Toyota Technological Institute
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Arai Yusuke
Research Center For Advanced Photon Technology Toyota Technological Institute
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KHONTHON Sasithorn
School of Ceramic Engineering, Institute of Engineering, Suranaree University of Technology
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Ohishi Yasutake
Research Center For Advanced Photon Technology Toyota Technological Institute
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Suzuki Takenobu
Research Center For Advanced Photon Technology Toyota Technological Institute
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KOHNTHON Sasithorn
School of Ceramic Engineering, Institute of Engineering, Suranaree University of Technology
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PUNPAI Penprapa
School of Ceramic Engineering, Institute of Engineering, Suranaree University of Technology
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MORIMOTO Shigeki
School of Ceramic Engineering, Institute of Engineering, Suranaree University of Technology
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Morimoto Shigeki
School Of Ceramic Engineering Institute Of Engineering Suranaree University Of Technology
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Khonthon Sasithorn
School Of Ceramic Engineering Institute Of Engineering Suranaree University Of Technology
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Punpai Penprapa
School Of Ceramic Engineering Institute Of Engineering Suranaree University Of Technology
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Kohnthon Sasithorn
School Of Ceramic Engineering Institute Of Engineering Suranaree University Of Technology
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