Fiber optic strain sensor based on LP01-LP02 mode interference in a few mode optical fiber

Arun Kumar; Nitin K. Goel; R. K. Varshney

doi:10.1117/12.441342

25 September 2001 Fiber optic strain sensor based on LP₀₁-LP₀₂ mode interference in a few mode optical fiber

Arun Kumar, Nitin K. Goel, R. K. Varshney

Proceedings Volume 4417, Photonics 2000: International Conference on Fiber Optics and Photonics; (2001) https://doi.org/10.1117/12.441342
Event: Photonics 2000: International Conference on Fiber Optics and Photonics, 2001, Calcutta, India

Abstract

A fiber optic strain sensor based on interference between LP₀₁-LP₀₂ modes of a circularly symmetric few mode fiber has been studied. Differential phase shift between the two modes is measured as a function of strain in the fiber with and without coating. A simple theoretical model to estimate the differential phase shift due to strain is also developed, the prediction of which matches well with the experimental results.

Citation Download Citation

Arun Kumar, Nitin K. Goel, and R. K. Varshney "Fiber optic strain sensor based on LP₀₁-LP₀₂ mode interference in a few mode optical fiber", Proc. SPIE 4417, Photonics 2000: International Conference on Fiber Optics and Photonics, (25 September 2001); https://doi.org/10.1117/12.441342

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