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Proceedings Paper

Analysis of feasibility on the use of fiber Bragg grating sensors as ultrasound detectors
Author(s): Giuseppe Coppola; Aldo Minardo; Andrea Cusano; Giovanni Breglio; Luigi Zeni; Antonello Cutolo; Antonio Maria Calabro; Michele Giordano; Luigi Nicolais
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Paper Abstract

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 into account the geometrical and elasto-optic effects. Numerical analysis 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.

Paper Details

Date Published: 6 August 2001
PDF: 9 pages
Proc. SPIE 4328, Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (6 August 2001); doi: 10.1117/12.435523
Show Author Affiliations
Giuseppe Coppola, Univ. degli Studi di Napoli Federico II (Italy)
Aldo Minardo, Seconda Univ. di Napoli (Italy)
Andrea Cusano, Univ. degli Studi di Napoli Federico II (Italy)
Giovanni Breglio, Univ. degli Studi di Napoli Federico II (Italy)
Luigi Zeni, Seconda Univ. di Napoli (Italy)
Antonello Cutolo, Univ. degli Studi di Sannio (Italy)
Antonio Maria Calabro, Italian Aerospace Research Ctr. (Italy)
Michele Giordano, Institute of Composite Materials Technology (Italy)
Luigi Nicolais, Institute of Composite Materials Technology (Italy)


Published in SPIE Proceedings Vol. 4328:
Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Eric Udd; Daniele Inaudi, Editor(s)

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