Developing fiber lasers with Bragg reflectors as deep sea hydrophones

N. Beverini, R. Falciai, E. Maccioni, M. Morganti, F. Sorrentino, C. Trono

Abstract


The present paper will discuss the work in progress at the Department of Physics of the University of Pisa in collaboration
with the IFAC laboratory of CNR in Florence to develop pressure sensors with outstanding sensitivity
in the acoustic and ultrasonic ranges. These devices are based on optically-pumped fiber lasers, where the
mirrors are Bragg gratings written into the fiber core.

Keywords


hydrophones;Bragg fiber-laser;pressure sensors

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References


DOI: https://doi.org/10.4401/ag-3097
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X