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- Title
Taper with Palladium Coating in Photoniс Crystal Fiber as a Sensitive Element of Hydrogen Sensor.
- Authors
Minkovich, V. P.; Sotsky, A. B.; Shilov, A. V.; Sotskaya, L. I.
- Abstract
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.
- Subjects
HYDROGEN detectors; CRYSTAL whiskers; HYDROGEN; PALLADIUM; PHOTONIC crystal fibers; ATMOSPHERIC nitrogen; INTERSTITIAL hydrogen generation
- Publication
Journal of Applied Spectroscopy, 2019, Vol 86, Issue 1, p112
- ISSN
0021-9037
- Publication type
Article
- DOI
10.1007/s10812-019-00790-9