Resonant Doppler imaging with Fourier domain optical coherence tomography

Rainer Andreas Leitgeb; Anna Szklumowska; Michael Pircher; Erich Gotzinger; Adolf Friedrich Fercher

doi:10.1117/12.592844

13 April 2005 Resonant Doppler imaging with Fourier domain optical coherence tomography

Rainer Andreas Leitgeb, Anna Szklumowska, Michael Pircher, Erich Gotzinger, Adolf Friedrich Fercher

Proceedings Volume 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX; (2005) https://doi.org/10.1117/12.592844
Event: SPIE BiOS, 2005, San Jose, CA, United States

Abstract

Fourier Domain Optical Coherene Tomography (FD OCT) is a high speed imaging modality with increased sensitivity as compared to standard time domain (TD) OCT. The higher sensitivity is especially important, if strongly scattering tissue such as blood is investigated. Recently it could be shown that retinal blood flow can be assessed in-vivo by high speed FD OCT. However the detection bandwidth of color Doppler (CD) FDOCT is strongly limited due to blurring of the detected interference fringes during exposure. This leads to a loss of sensitivity for detection of fast changes in tissue. Using a moving mirror as a reference one can effectively increase the detection bandwidth for CD FDOCT and perform perfusion sectioning. The modality is called resonant CD FDOCT imaging. The principle of the method is presented and experimentally verified.

Citation Download Citation

Rainer Andreas Leitgeb, Anna Szklumowska, Michael Pircher, Erich Gotzinger, and Adolf Friedrich Fercher "Resonant Doppler imaging with Fourier domain optical coherence tomography", Proc. SPIE 5690, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX, (13 April 2005); https://doi.org/10.1117/12.592844

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