Demonstration of a Multi-Channel Dynamic Interrogation System based on Matched Filters for Elastic Wave Sensing

Date Issued
01-01-2021
Author(s)
Aananth, K.
Jagadeeshwar, Tabjula L.
Indian Institute of Technology, Madras
Abstract
We experimentally demonstrate a dual-channel dynamic interrogator for elastic waves sensing using matched fiber Bragg gratings, with noise floor closer to theoretical limit using hardware filtering and computationally inexpensive signal conditioning.