Transversal-force sensor based on supercontinuum generation in photonic crystal fibers

L. H. Chen; R. M. Li; C. C. Chan; L. M. Zhao; Y. X. Jin; X. Y. Dong; K. C. Leong

doi:10.1117/12.884995

17 May 2011 Transversal-force sensor based on supercontinuum generation in photonic crystal fibers

L. H. Chen, R. M. Li, C. C. Chan, L. M. Zhao, Y. X. Jin, X. Y. Dong, K. C. Leong

Proceedings Volume 7753, 21st International Conference on Optical Fiber Sensors; 77533V (2011) https://doi.org/10.1117/12.884995
Event: 21st International Conference on Optical Fibre Sensors (OFS21), 2011, Ottawa, Canada

Abstract

A fiber optic force sensor system based on supercontinuum radiation is developed. Short pulse (175fs) generated from mode-locked Erbium-doped fiber (EDF) laser was broaden and extended from 1300 to 1700nm after passing through Photonic Crystal Fiber (PCF). The spectrum shift of this broadband continuum has a strong function to the change of PCF birefringence induced by external force on PCF and exhibits a good sensitivity of 0.53604 nm/N and an excellent repeatability. Thus, the proposed system is proven to be a novel instrumentation for the transverse force measurement with many potential applications in smart structure.

Citation Download Citation

L. H. Chen, R. M. Li, C. C. Chan, L. M. Zhao, Y. X. Jin, X. Y. Dong, and K. C. Leong "Transversal-force sensor based on supercontinuum generation in photonic crystal fibers", Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77533V (17 May 2011); https://doi.org/10.1117/12.884995

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KEYWORDS

Sensors

Birefringence

Polarization

Photonic crystal fibers

Supercontinuum generation

Dispersion

Mode locking

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