Scattering optical coherence angiography with 1-um swept source optical coherence tomography

Yoshiaki Yasuno; Youngjoo Hong; Shuichi Makita; Masahiro Akiba; Masahiro Miura; Toyohiko Yatagai

doi:10.1117/12.727981

11 July 2007 Scattering optical coherence angiography with 1-μm swept source optical coherence tomography

Yoshiaki Yasuno, Youngjoo Hong, Shuichi Makita, Masahiro Akiba, Masahiro Miura, Toyohiko Yatagai

Proceedings Volume 6627, Optical Coherence Tomography and Coherence Techniques III; 66271N (2007) https://doi.org/10.1117/12.727981
Event: European Conferences on Biomedical Optics, 2007, Munich, Germany

Abstract

Retinal and choroidal imaging by using swept-source optical coherence tomography (SS-OCT) with a 1-μm band probe light, and high-contrast and three-dimensional (3D) imaging of choroidal vasculature are presented. This SS-OCT has a measurement speed of 28,000 A-lines/s, a depth resolution of 10.4 μm in tissue, and a sensitivity of 99.3 dB. A software-based algorithm for scattering optical coherence angiography (S-OCA) is developed for the high-contrast and 3D imaging of the choroidal vessels. This OCT is employed for the investigation of age related macular degeneration and visualizes structures beneath the retinal pigment epithelial detachment.

Citation Download Citation

Yoshiaki Yasuno, Youngjoo Hong, Shuichi Makita, Masahiro Akiba, Masahiro Miura, and Toyohiko Yatagai "Scattering optical coherence angiography with 1-μm swept source optical coherence tomography", Proc. SPIE 6627, Optical Coherence Tomography and Coherence Techniques III, 66271N (11 July 2007); https://doi.org/10.1117/12.727981

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KEYWORDS

Optical coherence tomography

Scattering

3D metrology

Coherence (optics)

In vivo imaging

Light sources

Angiography

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