Multiplexed regenerated fiber Bragg gratings for high-temperature measurement

被引：55
|
作者：
Laffont, G. [1 ]
Cotillard, R. [1 ]
Ferdinand, P. [1 ]
机构：
[1] CEA, LIST, Lab Mesures Opt, F-91191 Gif Sur Yvette, France
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 2013年 / 24卷 / 09期
关键词：
regenerated fiber Bragg gratings; high temperature; multiplexing; Bragg gratings; sensors; optical fibers;
D O I：
10.1088/0957-0233/24/9/094010
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A high-temperature gradient of a conventional tubular furnace is characterized using a single-fiber sensing line with wavelength-multiplexed short-length-regenerated fiber Bragg gratings. The multiplexed gratings are simultaneously regenerated using a high-temperature annealing process. Temperature calibration from ambient temperatures up to 900 degrees C is conducted leading to a standard deviation of 0.15 degrees C after the polynomial fitting of the wavelength shift with the temperature.
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页数：5
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