Fiber optic sensor for angular displacement and surface slope measurement

Sarit Pal; Shubhra Verma; S. K. Kak

doi:10.1117/12.441349

25 September 2001 Fiber optic sensor for angular displacement and surface slope measurement

Sarit Pal, Shubhra Verma, S. K. Kak

Proceedings Volume 4417, Photonics 2000: International Conference on Fiber Optics and Photonics; (2001) https://doi.org/10.1117/12.441349
Event: Photonics 2000: International Conference on Fiber Optics and Photonics, 2001, Calcutta, India

Abstract

This paper introduces optical fiber based a novel high speed sensing technique to measure angular displacement as well as slope of a smooth object. The scheme is based on the analysis of the directional intensity distribution of the reflected and scattered electromagnetic wave from the object. Theoretical predictions supported by the experimentally verified results are presented. A fairly good accuracy in the angular displacement and slope measurement in the range of 10^-1 radians to 10^-6 radians can be achieved by this proposed technique.

Citation Download Citation

Sarit Pal, Shubhra Verma, and S. K. Kak "Fiber optic sensor for angular displacement and surface slope measurement", Proc. SPIE 4417, Photonics 2000: International Conference on Fiber Optics and Photonics, (25 September 2001); https://doi.org/10.1117/12.441349

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