Design and development of a field deployable packaged fiber Bragg grating-based accelerometer

Tiwari, Umesh Kumar and Saini, Than Singh and Negi, Vipender and Pandey, Amit and Garg, Harry and Sinha, Ravindra Kumar (2019) Design and development of a field deployable packaged fiber Bragg grating-based accelerometer. OPTICAL ENGINEERING, 58 (1). 014104. ISSN ISSN: 0091-3286 E-ISSN: 1560-2303

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Official URL: https://doi.org/10.1117/1.OE.58.1.014104

Abstract

Experimental realization of a fiber Bragg grating-based compact, high-sensitive, and fully packaged single-axis accelerometer has been demonstrated. To verify experimentally observed results, simulation has been carried out for the performance comparison of packaged single-axis accelerometer with the cantilever of various materials. The experimental demonstrations have been conducted at unknown seismic vibrations of random frequencies as well as the vibrations of known frequencies. The experimental results for the reported seismic events (i.e., footprint and hammering) demonstrate that the developed fully packaged accelerometer possesses good response to the signals with random vibrations. The developed accelerometer holds a high sensitivity up to 88 pm/g in the broad bandwidth. Such a compact fully packaged accelerometer with improved sensitivity can be deployed at any civil engineering structures, such as highways, bridges, dams, tunnels, pipelines, and aeronautical platforms for broadband dynamic monitoring of the random vibrations ranging from 5 to 100 Hz.

Item Type: Article
Uncontrolled Keywords: Fiber Bragg gratings; Sensors; Optical design; Optical fibers; Aluminum; Civil engineering; Bridges; Fiber; Optics sensors; Optical engineering; Silica
Subjects: CSIO > Public Safety
Depositing User: Ms T Kaur
Date Deposited: 26 Feb 2020 13:56
Last Modified: 26 Feb 2020 13:56
URI: http://csioir.csio.res.in/id/eprint/806

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