Optical module to extend any Fourier-domain optical coherence tomography system into a polarisation-sensitive system

Rivet, Sylvain and Marques, M.J. and Bradu, Adrian and Podoleanu, Adrian G.H. (2016) Optical module to extend any Fourier-domain optical coherence tomography system into a polarisation-sensitive system. Journal of Optics, 18 (6). p. 5607. ISSN 2040-8978. E-ISSN 2040-8986. (doi:https://doi.org/10.1088/2040-8978/18/6/065607) (Full text available)

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Abstract

This article presents a theoretical study on an optical module (OM) that can be inserted between an object under investigation and a Fourier-domain optical coherence tomography system, transforming the latter into a polarisation-sensitive optical coherence tomography optical coherence tomography (OCT) system. The module consists of two electro-optic modulators, a Faraday rotator, a linear polariser and a quarter-wave plate. A detailed description on how the module can be used to extract both the net retardance and the fast axis orientation of a linear birefringent sample is presented. This is achieved by taking two sequential measurements for different values of retardance produced by the electro-optic modulator. The module keeps measurements free from undesired polarimetric effects due to birefringence in the single-mode optical fibre and diattenuation in fibre-based couplers within OCT systems. Simulations have been carried out in order to evaluate the effects of chromatic behaviour of the components within the OM.

Item Type: Article
Additional information: “This is an author-created, un-copyedited version of an article accepted for publication in the Journal of Optics. The publisher is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at 10.1088/2040-8978/18/6/065607.
Subjects: Q Science > QC Physics > QC355 Optics
Divisions: Faculties > Sciences > School of Physical Sciences > Applied Optics Group
Depositing User: M.J.M. Marques
Date Deposited: 06 May 2016 14:50 UTC
Last Modified: 08 Jun 2017 08:48 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/55315 (The current URI for this page, for reference purposes)
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