Work of fiber Bragg grating with linear changeable period as an impulsive strain transducer

被引：0
|
作者：
Sikora, Aleksandra [1 ]
Kaczmarek, Zdzislaw [1 ]
机构：
[1] Kielce Univ Technol, A1 1000 Lecia PP 7, PL-25314 Kielce, Poland
来源：
LIGHTGUIDES AND THEIR APPLICATIONS III | 2007年 / 6608卷
关键词：
Bragg grating; sensors;
D O I：
10.1117/12.739746
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The article presents the influence of the length of fiber Bragg grating with linear changeable period on processing accuracy of impulsive excitations acting along the longitudinal fiber axis. Using transfer matrix method the power reflectivity spectrums caused by impulsive strains are obtained. On this basis, assuming that grating's output signal is of centroidal frequency, the mean square error was evaluated as a function of the ratio of the length of the grating to the length of impulse, for different shapes of impulsive strains.
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页数：5
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