Differential phase contrast OCT in transparent and opaque media

Markus Sticker; Christoph K. Hitzenberger; Adolf Friedrich Fercher

doi:10.1117/12.407637

22 November 2000 Differential phase contrast OCT in transparent and opaque media

Markus Sticker, Christoph K. Hitzenberger, Adolf Friedrich Fercher

Proceedings Volume 4160, Photon Migration, Diffuse Spectroscopy, and Optical Coherence Tomography: Imaging and Functional Assessment; (2000) https://doi.org/10.1117/12.407637
Event: EOS/SPIE European Biomedical Optics Week, 2000, Amsterdam, Netherlands

Abstract

We describe an improved setup for differential phase contrast OCT. Phase differences between transversally adjacent beams are derived from the phase functions of the interferometric signals. The accuracy of the system is demonstrated by imaging pure phase objects consisting of chromium layers containing steps of approximately 100 - 200 nm height. By imaging through a scattering layer of 3 mean free path thickness (single pass), phase imaging is still possible with phase noise of only +/- 2 degrees.

Citation Download Citation

Markus Sticker, Christoph K. Hitzenberger, and Adolf Friedrich Fercher "Differential phase contrast OCT in transparent and opaque media", Proc. SPIE 4160, Photon Migration, Diffuse Spectroscopy, and Optical Coherence Tomography: Imaging and Functional Assessment, (22 November 2000); https://doi.org/10.1117/12.407637

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