A zirconia single-crystal fibre-optic sensor for contact measurement of temperatures above 2000 °C

被引：30

作者：

Tong, LM ^{[1
]}

Shen, YH ^{[1
]}

Ye, LH ^{[1
]}

Ding, ZC ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Phys, Lab Joint Res Single Crystal Opt Fibre & Laser, Hangzhou 310027, Peoples R China

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 1999年 / 10卷 / 07期

关键词：

zirconia single-crystal fibre; sapphire fibre; fibre-optic sensor; high-temperature measurement;

D O I：

10.1088/0957-0233/10/7/306

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Conventional sapphire fibre-optic sensors show excellent performance in high-temperature applications, but they cannot be used for contact measurement of temperatures above 1900 degrees C. In order to extend the operating temperature of fibre-optic sensors, a radiation-based zirconia single-crystal fibre-optic sensor has been developed. This novel sensor can be operated up to 2300 degrees C. A 60 mm long and 0.45 mm thick yttria-stabilized zirconia single-crystal fibre with one end coated with a layer of BeO ceramic is used to generate and transmit radiation signals at high temperature. Another 520 mm long and 0.80 mm thick sapphire fibre is used as a sub-high-temperature waveguide. Experimental results from 1200 degrees C to 2300 degrees C demonstrate that the developed sensor is very promising for applications beyond 2000 degrees C.

引用

页码：607 / 611

页数：5

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