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   Articles with "demodulation method" as a keyword



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Mach-Zehnder Interferometer Sensor Curvature Demodulation Method Based on the Orthogonal Decomposition of Spectral Curves

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recommendations! Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.2973405

Abstract: This paper proposes a curvature demodulation of Mach-Zehnder interferometer (MZI) sensors based on complete spectral information. An MZI sensor composed of two waist-enlarged single mode fibers (SMFs) was fabricated. To research the spectral characteristics of… read more here.

Keywords: spectral information; demodulation method; decomposition; demodulation ... See more keywords
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A Novel Simple TFBG Spectrum Demodulation Method for RI Quantification

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recommendations! Published in 2017 at "IEEE Photonics Technology Letters"

DOI: 10.1109/lpt.2017.2768601

Abstract: This letter presents a novel method for the analysis of tilted fiber Bragg grating (TFBG) transmission spectra. The processing method is based on the transmission spectrum contour length, which is calculated in the wavelength range… read more here.

Keywords: simple tfbg; demodulation method; method; spectrum demodulation ... See more keywords
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Demodulation method based on a component synthesis and gradient projection for phase-shifting interferometry.

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recommendations! Published in 2022 at "Applied optics"

DOI: 10.1364/ao.469421

Abstract: In order to reduce the vibration error of phase-shifting interferometry (PSI) and improve the demodulation accuracy of the wavefront phase, a demodulation method based on a component synthesis and gradient projection for PSI is proposed.… read more here.

Keywords: demodulation; phase; demodulation method; component synthesis ... See more keywords
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Phase demodulation method in phase-sensitive OTDR without coherent detection.

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recommendations! Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.004831

Abstract: A phase demodulation method specially developed for direct detection φ-OTDR is proposed and demonstrated. It is the only method to date that can be used for phase demodulation based on pure direct detection system. As… read more here.

Keywords: demodulation method; phase demodulation; phase; detection ... See more keywords