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

Giuseppe Coppola; Aldo Minardo; Andrea Cusano; Giovanni Breglio; Luigi Zeni; Antonello Cutolo; Antonio Maria Calabro; Michele Giordano; Luigi Nicolais II

doi:10.1117/12.435523

6 August 2001 Analysis of feasibility on the use of fiber Bragg grating sensors as ultrasound detectors

Giuseppe Coppola, Aldo Minardo, Andrea Cusano, Giovanni Breglio, Luigi Zeni, Antonello Cutolo, Antonio Maria Calabro, Michele Giordano, Luigi Nicolais II

Author Affiliations +

Proceedings Volume 4328, Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials; (2001) https://doi.org/10.1117/12.435523
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

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.

Citation Download Citation

Giuseppe Coppola, Aldo Minardo, Andrea Cusano, Giovanni Breglio, Luigi Zeni, Antonello Cutolo, Antonio Maria Calabro, Michele Giordano, and Luigi Nicolais II "Analysis of feasibility on the use of fiber Bragg grating sensors as ultrasound detectors", Proc. SPIE 4328, Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (6 August 2001); https://doi.org/10.1117/12.435523

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