A buoyancy-based fiber Bragg grating tilt sensor

Muneesh Maheshwari; Yaowen Yang; Tanmay Chaturvedi

doi:10.1117/12.2259859

12 April 2017 A buoyancy-based fiber Bragg grating tilt sensor

Muneesh Maheshwari, Yaowen Yang, Tanmay Chaturvedi

Proceedings Volume 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017; 101681T (2017) https://doi.org/10.1117/12.2259859
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2017, Portland, Oregon, United States

Abstract

In this paper, a novel design of fiber Bragg grating tilt sensor is proposed. This tilt sensor exhibits high angle sensitivity and resolution. The presented tilt sensor works on the principle of the force of buoyancy in a liquid. It has certain advantages over the other designs of tilt sensors. The temperature effect can be easily compensated by using an un-bonded or free FBG. An analytical model is established which correlates the Bragg wavelength (λ_B) with the angle of inclination. This model is then validated by the experiment, where the experimental and analytical results are found in good agreement with each other.

Conference Presentation

Citation Download Citation

Muneesh Maheshwari, Yaowen Yang, and Tanmay Chaturvedi "A buoyancy-based fiber Bragg grating tilt sensor", Proc. SPIE 10168, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2017, 101681T (12 April 2017); https://doi.org/10.1117/12.2259859

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