Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/78456
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Type: Conference paper
Title: Theoretical modeling of the Faraday effect within a gas-filled photonic bandgap fiber
Author: Grabka, M.
Englich, F.
Lancaster, D.
Gawlik, W.
Monro, T.
Citation: Proceedings of SPIE, 2013; 8794
Publisher: S P I E - International Society for Optical Engineering
Publisher Place: USA
Issue Date: 2013
Series/Report no.: Proceedings of SPIE
ISBN: 9780819496348
ISSN: 0277-786X
1996-756X
Conference Name: European Workshop on Optical Fibre Sensors (5th : 2013 : Krakow, Poland)
Editor: Jaroszewicz, L.R.
Statement of
Responsibility: 
Michal Grabka, Florian V. Englich, David G. Lancaster, Wojciech Gawlik, and Tanya M. Monro
Abstract: Recently we have demonstrated that conventional (free-space) Faraday rotation spectroscopy (FRS) can be successfully transitioned into optical fiber-based sensing architectures using paramagnetic gas-filled hollow-core photonic bandgap fibers (HC-PCFs)1. Our measurements revealed that due to the birefringence properties of the HC-PCFs, behavior of the fiber-optic FRS signals is substantially different compared to free-space FRS systems. Furthermore, magnetic circular dichroism tends to have much higher influence on the FRS signals than in other systems. To explain this behavior we have developed a theoretical model, and shown that close agreement with the experimental data can be achieved. In this paper we focus attention on the detailed explanation and the in-depth discussion of the model and assumptions incorporated within it. This approach can be easily extended to account for parasitic effects that take place in real-world FRS sensor systems such as imperfect polarizers or birefringent gas cell windows. © 2013 SPIE.
Keywords: Faraday effect
Faraday rotation spectroscopy
photonic bandgap fiber
paramagentic gas
optical fiber sensor
Description: Also published as a book chapter: Fifth European Workshop on Optical Fibre Sensors / L. R. Jaroszewicz (ed.):87942M
Rights: © 2013 SPIE
DOI: 10.1117/12.2026059
Published version: http://dx.doi.org/10.1117/12.2026059
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