Simultaneous displacement and temperature measurement with cantilever-based fiber Bragg grating sensor

被引：95

作者：

Dong, XY ^{[1
]}

Liu, YQ ^{[1
]}

Liu, ZG ^{[1
]}

Dong, XY ^{[1
]}

机构：

[1] Nankai Univ, Inst Modern Phys, Tianjin 300071, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2001年 / 192卷 / 3-6期

关键词：

optical fiber sensor; displacement measurement; fiber Bragg grating;

D O I：

10.1016/S0030-4018(01)01157-9

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Fiber Bragg grating (FBG) is demonstrated to measure displacement, which relies on attaching the FBG on a cantilever structure, so that the Vertical displacement of the cantilever's free end can be obtained by measuring the wavelength shift of FBG. A novel technique is then presented to measure displacement and temperature simultaneously with a single FBG. The measured displacement and temperature sensitivities of this cantilever-based FBG sensor are 8.22 x 10(-4) mm(-1) and 8.86 x 10(-5) (degreesC(-1)), respectively. And the measurement range can be up to 10.5 mm. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：213 / 217

页数：5

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