Local birefringence of the anterior segment of the human eye in a single capture with a full range polarisation-sensitive optical coherence tomography

Qingyun Li; Karol Karnowski; Martin Villiger; David D. Sampson

doi:10.1117/12.2270230

29 April 2017 Local birefringence of the anterior segment of the human eye in a single capture with a full range polarisation-sensitive optical coherence tomography

Qingyun Li, Karol Karnowski, Martin Villiger, David D. Sampson

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Proceedings Volume 10340, International Conference on Biophotonics V; 1034019 (2017) https://doi.org/10.1117/12.2270230
Event: International Conference on Biophotonics V, 2017, Perth, Australia

Abstract

A fibre-based full-range polarisation-sensitive optical coherence tomography system is developed to enable complete capture of the structural and birefringence properties of the anterior segment of the human eye in a single acquisition. The system uses a wavelength swept source centered at 1.3 μm, passively depth-encoded, orthogonal polarisation states in the illumination path and polarisation-diversity detection. Off-pivot galvanometer scanning is used to extend the imaging range and compensate for sensitivity drop-off. A Mueller matrix-based method is used to analyse data. We demonstrate the performance of the system and discuss issues relating to its optimisation.

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Qingyun Li, Karol Karnowski, Martin Villiger, and David D. Sampson "Local birefringence of the anterior segment of the human eye in a single capture with a full range polarisation-sensitive optical coherence tomography", Proc. SPIE 10340, International Conference on Biophotonics V, 1034019 (29 April 2017); https://doi.org/10.1117/12.2270230

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KEYWORDS

Birefringence

Eye

Image processing

Optical coherence tomography

Polarization

Range imaging

Image segmentation

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