Ambiguity of optical coherence tomography measurements due to rough surface scattering | Zendy

Y. Ashtamker | Zendy; V. Freilikher | Zendy; J. C. Dainty | Zendy

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Ambiguity of optical coherence tomography measurements due to rough surface scattering

Author(s) -

Y. Ashtamker,

V. Freilikher,

J. C. Dainty

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.021658

Subject(s) - optics , optical coherence tomography , refractive index , wavelength , scattering , optical tomography , coherence (philosophical gambling strategy) , tomography , light scattering , physics , surface roughness , quantum mechanics

Optical coherence tomography (OCT) images are frequently interpreted in terms of layers (for example, of tissue) with the boundary defined by a change in refractive index. Real boundaries are rough compared with the wavelength of light, and in this paper we show that this roughness has to be taken into account in interpreting the images. We give an example of the same OCT image obtained from two quite different objects, one smooth compared to the optical wavelength, and the other rough.

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