Analysis of feasibility on the use of Fiber Bragg grating sensors as ultrasound detectors

被引：29

作者：

Coppola, G ^{[1
]}

Minardo, A ^{[1
]}

Cusano, A ^{[1
]}

Breglio, G ^{[1
]}

Zeni, G ^{[1
]}

Cutolo, A ^{[1
]}

Calabrò, A ^{[1
]}

Giordano, M ^{[1
]}

Nicolais, L ^{[1
]}

机构：

[1] Univ Naples Federico II, Dept Elect Engn, I-80125 Naples, Italy

来源：

SMART STRUCTURES AND MATERIALS 2001: SENSORY PHENOMENA AND MEASUREMENT INSTRUMENTATION FOR SMART STRUCTURES AND MATERIALS | 2001年 / 4328卷

关键词：

Fiber Bragg Gratings (FBG); ultrasound technique (UT); transfer matrix formalism; crack detection; composite structures;

D O I：

10.1117/12.435523

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The spectral response changing of a Fiber Bragg grating due to the interactions with an ultrasound wave have been numerically analyzed by a transfer matrix approach has been used, taking in account the geometrical and elasto-optic effects. Numerical analysisis show that it's possible to characterize the ultrasound wave, only if the ratio between the ultrasonic wavelength and the length of the used grating exceeds an established value, which depends on both the characteristics of the Bragg grating and the ultrasound amplitude itself.

引用

页码：224 / 232

页数：9

共 18 条

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