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Taper with Palladium Coating in Photoniс Crystal Fiber as a Sensitive Element of Hydrogen Sensor

  • V. P. Minkovich
  • A. B. SotskyEmail author
  • A. V. Shilov
  • L. I. Sotskaya
Article
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An electrodynamic model of a fiber-optic hydrogen sensor is proposed, in which a taper with a nanoscale palladium coating, created in a photonic crystal fiber, is used as the sensing element. Based on the model, experimental data have been processed for transmission spectra of a taper with an 8-nm-thick palladium coating at various hydrogen concentrations in a nitrogen atmosphere. It was found that an increase in hydrogen concentration leads to an increase in integrated transmission of the sensor and has virtually no effect on the wavelength position of the transmittance interference maxima. The possibilities for optimizing the sensor by choosing a length of the taper waist are determined.

Keywords

fiber-optic hydrogen sensor photonic crystal fiber palladium coating taper 

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • V. P. Minkovich
    • 1
  • A. B. Sotsky
    • 2
    Email author
  • A. V. Shilov
    • 2
  • L. I. Sotskaya
    • 3
  1. 1.Centro de Investigationes en OpticaLeonMexico
  2. 2.A. A. Kuleshov Mogilev State UniversityMogilevBelarus
  3. 3.Belarusian-Russian State UniversityMogilevBelarus

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