Multiplexed regenerated fiber Bragg gratings for high-temperature measurement

被引:57
|
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
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.
引用
收藏
页数:5
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