From Doppler to speckle variance measurements in optical coherence tomography

Adrian Podoleanu; Sophie Caujolle; Manuel Marques; Ramona Cernat; Ranjan Rajendram; Adrian Bradu

doi:10.1117/12.2283530

10 August 2018 From Doppler to speckle variance measurements in optical coherence tomography

Adrian Podoleanu, Sophie Caujolle, Manuel Marques, Ramona Cernat, Ranjan Rajendram, Adrian Bradu

Proceedings Volume 10831, Seventh International Conference on Lasers in Medicine; 108310D (2018) https://doi.org/10.1117/12.2283530
Event: Seventh International Conference on Lasers in Medicine, 2017, Timisoara, Romania

Abstract

A short-review of optical coherence tomography (OCT) technologies employed to evaluate and image flow and tiny movements is presented. Over the time, the progress of OCT from time domain to spectral (Fourier) domain SD-OCT has led to new approaches in measuring flow and tissue (object) vibration. In the present document, several procedures are presented of what is known today as OCTA, used to visualize tiny vessels in the human retina and replacing the need for injection in angiography. These methods are now extended to measurements of minuscule spatial variations due to action potential, cell division or tissue deformation in elastography.

Citation Download Citation

Adrian Podoleanu, Sophie Caujolle, Manuel Marques, Ramona Cernat, Ranjan Rajendram, and Adrian Bradu "From Doppler to speckle variance measurements in optical coherence tomography", Proc. SPIE 10831, Seventh International Conference on Lasers in Medicine, 108310D (10 August 2018); https://doi.org/10.1117/12.2283530

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