Chromium doped phosphor based fiber-optic thermometer

被引：0
|
作者：
Aizawa, H [1 ]
Toba, E [1 ]
Katsumata, T [1 ]
Komuro, S [1 ]
Morikawa, T [1 ]
机构：
[1] Shinshu Univ, Fac Text Sci & Technol, Ueda, Nagano 3868567, Japan
来源：
PROCEEDINGS OF THE IEEE SENSORS 2003, VOLS 1 AND 2 | 2003年
关键词：
temperature sensor; fiber optic thermometer; optical fiber; photoluminescence; lifetime;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A variety of chromium (Cr(3+)) doped phosphors has been studied for a sensor head materials in the fiber-optic thermometer, have been studied. Cr doped alumina (Cr:Al(2)O(3)), spinel (Cr: MgAl(2)O(4)) and yttrium ortho-aluminate (Cr: YAlO(3)) crystals are grown using floating zone (FZ) technique. The value and temperature coefficient of photoluminescence (PL) lifetime are evaluated using the fiber-optic thermometer equipment. The value and temperature coefficient of PL lifetime vary greatly with the host materials. Among them, perovskite type Cr:YAlO(3) crystal shows the longest PL lifetime and the largest temperature coefficient. Cr doped YAlO(3) crystal is a potentially useful sensor material for fiber-optic thermometer due to long PL lifetime and large temperature coefficient of PL lifetime.
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页码：88 / 91
页数：4
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