Phantoms for performance assessment of optical coherence tomography systems

Avanaki, Kamran; Podoleanu, Adrian Gh.; Price, M. C.; Corr, Serena A.; Khoshki, Rohollah Mazraeh; Hojjatoleslami, S. A.

doi:10.1117/12.912086

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A Mie Calculations For Phantom Design1

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2013

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“…The complex refractive index of the embedded scattering microspheres can be measured using the approach described in [16,19,20].…”

Section: A Mie Calculations For Phantom Designmentioning

confidence: 99%

Two applications of solid phantoms in performance assessment of optical coherence tomography systems

et al. 2013

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Virtual tissues (phantoms) are widely used for performance evaluation of imaging systems. Specific design of the phantom is necessary for the correct assessment of a system's parameters. In an effort to reduce the amount of time and energy spent making application-oriented phantoms, we describe procedures to make epoxy-resin solid phantoms based on Mie scattering theory, with two different scatterers: polystyrene and gold microspheres. The phantoms are specifically designed to be used in two applications: (a) the gold microspheres solid phantoms are used to estimate the point-spread function (PSF) of an optical coherence tomography (OCT) system, and (b) the polystyrene solid phantom are used to evaluate the performance of an OCT-images optical properties extraction (OPE) algorithm. Phantoms with differing combination of materials have been tested to achieve the most suitable combination for producing an accurate PSF for application (a) and a valid evaluation/parameter optimization of the algorithm in application (b). An en face time-domain dynamic focus OCT is used for imaging.

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“…The complex refractive index of the embedded scattering microspheres can be measured using the approach described in [16,19,20].…”

Section: A Mie Calculations For Phantom Designmentioning

confidence: 99%