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Master-slave interferometry for parallel spectral domain interferometry sensing and versatile 3D optical coherence tomography

Podoleanu, Adrian G.H., Bradu, Adrian (2013) Master-slave interferometry for parallel spectral domain interferometry sensing and versatile 3D optical coherence tomography. Optics Express, 21 (16). pp. 19324-19338. ISSN 1094-4087. (doi:10.1364/OE.21.019324) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided)

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http://dx.doi.org/10.1364/OE.21.019324

Abstract

Conventional spectral domain interferometry (SDI) methods suffer from the need of data linearization. When applied to optical coherence tomography (OCT), conventional SDI methods are limited in their 3D capability, as they cannot deliver direct en-face cuts. Here we introduce a novel SDI method, which eliminates these disadvantages. We denote this method as Master - Slave Interferometry (MSI), because a signal is acquired by a slave interferometer for an optical path difference (OPD) value determined by a master interferometer. The MSI method radically changes the main building block of an SDI sensor and of a spectral domain OCT set-up. The serially provided signal in conventional technology is replaced by multiple signals, a signal for each OPD point in the object investigated. This opens novel avenues in parallel sensing and in parallelization of signal processing in 3D-OCT, with applications in highresolution medical imaging and microscopy investigation of biosamples. Eliminating the need of linearization leads to lower cost OCT systems and opens potential avenues in increasing the speed of production of en-face OCT images in comparison with conventional SDI. © 2013 Optical Society of America.

Item Type: Article
DOI/Identification number: 10.1364/OE.21.019324
Additional information: This is available as OPEN ACCESS by clicking on the URL.
Uncontrolled keywords: Interferometers, Interferometry, Linearization, Medical imaging, Signal processing, Strain measurement, Three dimensional, Building blockes, Data linearization, High resolution, Optical path difference, Parallel sensing, Parallelizations, Spectral domain interferometry, Spectral domain OCT, Optical tomography, article, Fourier analysis, histology, human, interferometry, methodology, optic nerve, optical coherence tomography, three dimensional imaging, thumb, time, Fourier Analysis, Humans, Imaging, Three-Dimensional, Interferometry, Optic Nerve, Thumb, Time Factors, Tomography, Optical Coherence
Subjects: Q Science > QC Physics
R Medicine > R Medicine (General) > R857.O6 Optical coherence tomography
Divisions: Faculties > Sciences > School of Physical Sciences > Applied Optics Group
Depositing User: Giles Tarver
Date Deposited: 16 Jul 2015 08:42 UTC
Last Modified: 29 May 2019 14:47 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/49329 (The current URI for this page, for reference purposes)
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