Electrodynamics model of a hydrogen sensor based on a special photonic crystal fiber taper coated with a nano-scale palladium film

Vladimir P. Minkovich; A. B. Sotsky; A. V. Shilov; L. I. Sotskaya

doi:10.1117/12.2530410

3 October 2019 Electrodynamics model of a hydrogen sensor based on a special photonic crystal fiber taper coated with a nano-scale palladium film

Vladimir P. Minkovich, A. B. Sotsky, A. V. Shilov, L. I. Sotskaya

Author Affiliations +

Proceedings Volume 11207, Fourth International Conference on Applications of Optics and Photonics; 112072E (2019) https://doi.org/10.1117/12.2530410
Event: IV International Conference on Applications of Optics and Photonics (AOP 2019), 2019, Lisbon, Portugal

Abstract

An electrodynamics model of a fiber-optic hydrogen sensor with a taper in a special photonic-crystal fiber coated by a nano-scale palladium film is proposed. The transmission spectrum of the sensor is explained by the interference and mutual transformation of local modes in the taper. As a result, the model contains 3m+1 free parameters, where m is the number of local modes taken into account. The parameters are determined by the least square method from the experimental transmission spectrum. This approach allows us to determine the dispersion characteristics of a nanoscale palladium film in a hydrogen atmosphere and optimize the taper from the standpoint of maximizing the sensitivity of the sensor.

Citation Download Citation

Vladimir P. Minkovich, A. B. Sotsky, A. V. Shilov, and L. I. Sotskaya "Electrodynamics model of a hydrogen sensor based on a special photonic crystal fiber taper coated with a nano-scale palladium film", Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112072E (3 October 2019); https://doi.org/10.1117/12.2530410

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