Simultaneous analysis of extinction and flow velocity with joint spectral and time domain OCT

Maciej Wojtkowski; Maciej Szkulmowski; Tomasz Bajraszewski; Anna Szkulmowska; Andrzej Kowalczyk

doi:10.1117/12.765386

5 March 2008 Simultaneous analysis of extinction and flow velocity with joint spectral and time domain OCT

Maciej Wojtkowski, Maciej Szkulmowski, Tomasz Bajraszewski, Anna Szkulmowska, Andrzej Kowalczyk

Proceedings Volume 6847, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII; 68471M (2008) https://doi.org/10.1117/12.765386
Event: SPIE BiOS, 2008, San Jose, California, United States

Abstract

In this contribution we propose a new method of acquisition and analysis of Spectral Optical Coherence Tomography data to obtain information about depth dependent extinction in the scattering media. In joint Spectral and Time domain OCT a set of Spectral Optical Coherence Tomography fringes is acquired in time increments. An axial component of the flow velocity vector is accurately estimated from Doppler beating signal. Additional filtering and averaging of spatial-temporal data allows for effective reduction of the speckle noise and enables reconstructing the envelope of spectral fringes corresponding to the chosen depth. In this way the depth and wavelength dependent attenuation of light can be determined in scattering media. In this contribution we demonstrate the proof of concept of spectroscopic OCT analysis performed in scattering media and we discuss its potential for in-vivo functional imaging of the human retina.

Citation Download Citation

Maciej Wojtkowski, Maciej Szkulmowski, Tomasz Bajraszewski, Anna Szkulmowska, and Andrzej Kowalczyk "Simultaneous analysis of extinction and flow velocity with joint spectral and time domain OCT", Proc. SPIE 6847, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII, 68471M (5 March 2008); https://doi.org/10.1117/12.765386

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available