Fiber Optic SMS Sensor for Simultaneous Measurement of Strain and Curvature

Markvart, Aleksandr; Лиокумович, Л. Б.; Ushakov, Nikolai

doi:10.21883/tpl.2022.15.53817.18969

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2024

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Cited by 2 publications

References 12 publications

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Monoflow Measurement with Polarization Controlled Effect in SMS and SMSMS Optical Fiber Sensors

da Silva Vasco Sualehe,

Cardoso,

Rocco Giraldi

et al. 2023

2023 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)

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Monoflow Measurement with Polarization Controlled Effect in SMS and SMSMS Optical Fiber Sensors

da Silva Vasco Sualehe,

Cardoso,

Rocco Giraldi

et al. 2023

2023 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC)

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Intermodal Fiber Interferometer with Spectral Interrogation and Fourier Analysis of Output Signals for Sensor Application

Petrov,

Golovchenko,

Bisyarin

et al. 2024

Photonics

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Interferometric fiber-optic sensors provide very high measurement accuracy and come with many other benefits. As such, the study of signal processing techniques for fiber-optic interferometers in order to extract information about external perturbation is an important area of research. In this work, the method of Fourier analysis was applied to extract information from the output signals of an intermodal fiber interferometer with spectral interrogation. It is shown that the external perturbation can be measured by obtaining the phase spectrum of the spectral transfer function of an intermodal fiber interferometer and determining the phase difference of a certain pair of mode groups. A mathematical model of this approach was developed, taking into account the parameters of the laser and the optical fiber, the number of excited mode groups, and the parameters of external perturbation. The theoretically considered method of Fourier analysis was experimentally verified, and it was proved to provide a linear response to external perturbation in a wide dynamic range.

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Fiber Optic SMS Sensor for Simultaneous Measurement of Strain and Curvature

Cited by 2 publications

References 12 publications

Monoflow Measurement with Polarization Controlled Effect in SMS and SMSMS Optical Fiber Sensors

Monoflow Measurement with Polarization Controlled Effect in SMS and SMSMS Optical Fiber Sensors

Intermodal Fiber Interferometer with Spectral Interrogation and Fourier Analysis of Output Signals for Sensor Application

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