The Influence of Fibre Bending on Polarization-Dependent Twist Sensor Based on Tilted Bragg Grating

• Autorzy: Harasim D.

Identyfikatory

DOI

10.1515/mms-2017-0038

• Języki publikacji: EN

Abstrakty

EN

This paper presents an experimental study on influence of input light polarization on the spectral characteristics of a fibre twist sensor based on Tilted Fiber Bragg Grating (TFBG) with simultaneous application of bending to an optical fibre. The application of proposed measurement stand could provide the ability of transforming the bending to a displacement. The twist measurement was performed by tuning of the sensor illuminating light polarization angle. The spectral parameters of selected cladding mode which are sensitive to the rotation of input light polarization angle have been shown. This paper shows the characteristics of transmittivity and wavelength shift for an incident high-order cladding mode measured with different curvatures of fibre. The dependency of selected cladding mode spectral parameters related with the twist measurement on the influence of temporary bending has been shown. The measurements were performed for two positions of sensing structure refractive index perturbations in relation to the bending direction plane. The experimental results show that the direction of TFBG structure bending has a small influence on the stability of spectral parameters characteristic for twist measurement, assuming that the bending direction is fixed while measurement.

Słowa kluczowe

EN

optoelectronic sensors; tilted bragg grating; sensing technology

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2017
• Tom: Vol. 24, nr 3
• Strony: 577--584
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr.

Twórcy

autor

Harasim D.

• Lublin University of Technology, Faculty of Electrical Engineering and Computer Science, Nadbystrzycka 36D, 20-618 Lublin, Poland

Bibliografia

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• [16] Osuch, T., Jurek, T., Markowski, K. (2016). Simultaneous measurement of liquid level and temperature using tilted fiber Bragg greting. IEEE Sensors Journal, 16(5), 1205-1209.
• [17] Kisała, P., Harasim, D., Mroczka, J. (2016). Temperature-insensitive simultaneous rotation and displacement (bending) sensor based on tilted fiber Bragg grating. Optics Express, 24(26), 29922-29929.
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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).