An optical microfiber acoustic sensor

George Y. Chen; Gilberto Brambilla; Trevor P. Newson

doi:10.1364/sensors.2013.st5b.2

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An optical microfiber acoustic sensor

George Y. Chen Gilberto Brambilla Trevor P. Newson

Year: 2013 Pages: ST5B.2-ST5B.2

DOI: 10.1364/sensors.2013.st5b.2

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Abstract

An acoustic sensor is demonstrated from a microfiber coiled around an air-backed-mandrel. As acoustic waves induce pressure variations, the mandrel diameter varies and the resulting changes in optical path are detected as phase modulations in an interferometer.

Keywords:

Mandrel Microfiber Interferometry Materials science Acoustic sensor Optics Acoustic wave Acoustics Optical fiber Optical sensing Optoelectronics Physics Composite material

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Topics

Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Mechanical and Optical Resonators

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

An optical microfiber acoustic sensor

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