Amplification of Ultrasonic-to-Fiber Bragg Grating Signals

Chia-Fu Wang; Junghyun Wee; Anastasia Timofeeva; Kara Peters

doi:10.1364/OFS.2020.W4.64

Optical Fiber Sensors Conference 2020 Special Edition
OSA Technical Digest (Optica Publishing Group, 2020),
paper W4.64
•https://doi.org/10.1364/OFS.2020.W4.64

Amplification of Ultrasonic-to-Fiber Bragg Grating Signals

Chia-Fu Wang, Junghyun Wee, Anastasia Timofeeva, and Kara Peters

Optical Fiber Sensors 2020

Washington, DC United States
8–12 June 2020
ISBN: 978-1-55752-307-5

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Poster Session II (W4)

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C. Wang, J. Wee, A. Timofeeva, and K. Peters, "Amplification of Ultrasonic-to-Fiber Bragg Grating Signals," in Optical Fiber Sensors Conference 2020 Special Edition, G. Cranch, A. Wang, M. Digonnet, and P. Dragic, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper W4.64.

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Abstract

We amplify the signal coupled from ultrasonic Lamb waves into an optical fiber, for structural damage detection applications, using two devices: an ultrasonic horn and a phononic crystal GRIN lens.

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