Synthesizing scanning-mode image formation in full-wave modelling of OCT (Conference Presentation)

Callum M. Macdonald; Peter R. T. Munro

doi:10.1117/12.2548961

9 March 2020 Synthesizing scanning-mode image formation in full-wave modelling of OCT (Conference Presentation)

Callum M. Macdonald, Peter R. T. Munro

Proceedings Volume 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV; 112281B (2020) https://doi.org/10.1117/12.2548961
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

Models of OCT imaging systems which are rigorously based on Maxwells Equations offer significant benefits over approximate models. However, these full-wave propagation models require greater computational resources, particulary when dealing with large samples. In an effort to reduce this computational burden, we present a means of synthesizing scanning-mode OCT image formation using only a single simulation with plane-wave illumination incident on a 3D sample. An angular spectrum approach is used to synthesizes focussed illumination, and we investigate how the optical memory effect may permit this approach even in highly scattering samples. Demonstrations show that the required simulation time is reduced by an order of magnitude when synthesizing OCT B-scans compared with previous methods.

Conference Presentation

Citation Download Citation

Callum M. Macdonald and Peter R. T. Munro "Synthesizing scanning-mode image formation in full-wave modelling of OCT (Conference Presentation)", Proc. SPIE 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV, 112281B (9 March 2020); https://doi.org/10.1117/12.2548961

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KEYWORDS

Optical coherence tomography

Image acquisition

Modeling

Systems modeling

3D image processing

Biomedical optics

Computer simulations

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