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

Umesh Kumar Tiwari; Than Singh Saini; Vipender Negi; Amit Pandey; Harry Garg; Ravindra Kumar Sinha

doi:10.1117/1.OE.58.1.014104

12 January 2019 Design and development of a field deployable packaged fiber Bragg grating-based accelerometer

Umesh Kumar Tiwari, Than Singh Saini, Vipender Negi, Amit Pandey, Harry Garg, Ravindra Kumar Sinha

Author Affiliations +

Optical Engineering, Vol. 58, Issue 1, 014104 (January 2019). 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.

Citation Download Citation

Umesh Kumar Tiwari, Than Singh Saini, Vipender Negi, Amit Pandey, Harry Garg, and Ravindra Kumar Sinha "Design and development of a field deployable packaged fiber Bragg grating-based accelerometer," Optical Engineering 58(1), 014104 (12 January 2019). https://doi.org/10.1117/1.OE.58.1.014104

Received: 27 June 2018; Accepted: 14 December 2018; Published: 12 January 2019

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