ルビー、スピネル、ガーネット結晶に添加したＣｒ３＋イオンからの蛍光の温度変化

勝亦 徹; 相沢 宏明; 小室 修二

doi:10.14915/gsj.40.0_11

2018 Annual Meeting

DOI https://doi.org/10.14915/gsj.40.0_11

Conference information

Host: The Gemmological Society of Japan

Abstracts of Lectures at 2018 Annual Meeting of the Gemmological Society of Japan

Temperature variation of photoluminescence from Cr³⁺ ions doped in ruby, spinel and garnet crystals

*Toru Katsumata, Hiroaki Aizawa, Shuji Komuro

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Keywords: Garnet crystal, Rare-earth elements, Photoluminescence, Thermal quenching

CONFERENCE PROCEEDINGS FREE ACCESS

Pages 11

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Abstract

Cr doped Al₂O₃, MgAl₂O₄, YAlO₃ and Y₃Al₅O₁₂ crystals were evaluated as a sensor material in fiber optic fluorescence thermometer. Temperature dependences of photoluminescence from these crystals were observed by excitation with LED light.

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