Multi-parameter measurement under fiber bending based on directional resonance coupling in photonic crystal fibers

• Autorzy: Tan C. , Wang Q. , Ding Y. , Li H.-W. , Wang M. , Liu H.

Identyfikatory

DOI

10.5277/oa180310

• Języki publikacji: EN

Abstrakty

EN

A multi-parameter sensor with enhanced sensitivity based on magnetic fluids infiltrated photonic crystal fiber is proposed. The sensing performances are investigated using the mode coupling theory and finite element method. Four symmetrical defective channels are assembled into the photonic crystal fiber to produce two resonant transmission dips λ_CV and λ_CH in vertical and horizontal directions, respectively. Each dip can be split into two relatively shallow dips (λ_CV1, λ_CV2 or λ_CH1, λ_CH2) when the photonic crystal fiber is bent. Interestingly, the values of (λ_CH2 – λ_CH1) and (λ_CV2 – λ_CV1) are associated with corresponding bend-curvature but almost unaffected by external temperature or magnetic field. On the contrary, the values of (λ_CH2 + λ_CH1)/2 and (λ_CV2 + λ_CV1)/2 are sensitive to temperature or magnetic field regardless of the bending condition. Based on above characteristics and the dependence of the magnetic fluids refractive index on temperature and magnetic field, the proposed sensor can measure not only the bend-curvature and bend-direction, but also the temperature and magnetic field.

Słowa kluczowe

EN

fiber bending; multi-parameter measurement; photonic crystal fiber; fiber sensing

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2018
• Tom: Vol. 48, nr 3
• Strony: 449--462
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Tan C.

• School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China

autor

Wang Q.

• School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China

autor

Ding Y.

• School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China

autor

Li H.-W.

• School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China

autor

Wang M.

• School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China

autor

Liu H.

• School of Information and Control Engineering, China University of Mining and Technology, Xuzhou, Jiangsu, 221116, China

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).