FIBEROPTIC HIGH-TEMPERATURE SENSOR BASED ON THE FLUORESCENCE LIFETIME OF ALEXANDRITE

被引：65
作者：
ZHANG, ZY
GRATTAN, KTV
PALMER, AW
机构：
[1] Department of Electrical, Electronic and Information Engineering, City University, London, EC1V 0HB, Northampton Square
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1992年 / 63卷 / 08期
关键词：
D O I：
10.1063/1.1143285
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A fiber-optic sensor for continuous temperature measurement from room temperature to > 700-degrees-C is presented. The device is based upon the excitation of the synthetic crystal alexandrite with light from a diode laser operating at 670 nm and the measurement of its fluorescence lifetime. A simple low cost optical configuration is described together with the introduction of a new effective signal processing scheme for fluorescence lifetime measurement, and a high sensitivity and repeatability are observed, at best +/- 1-degrees-C.
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页码：3869 / 3873
页数：5
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