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Proceedings Article

Ultrashort acquisition time full-field OCT

[+] Author Affiliations
Kate Grieve, Arnaud Dubois, Albert C. Boccara

LOP, Ecole Superieure de Physique et Chimie Industrielles, CNRS (France)

Proc. SPIE 5316, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine VIII, 252 (July 1, 2004); doi:10.1117/12.529193
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From Conference Volume 5316

  • Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine VIII
  • Valery V. Tuchin; Joseph A. Izatt; James G. Fujimoto
  • San Jose, CA | January 24, 2004

abstract

We present a full-field optical coherence tomography system designed to produce high-resolution tomographic images in ultra-short acquisition times. The experimental setup is based on a Linnik interferometer illuminated by a tungsten halogen lamp. En face tomographic images are obtained in real-time without scanning by computing the difference of two phase-opposed interferometric images recorded by two high-resolution CCD cameras. Transverse resolution down to 1.6 μm is achieved by using high numerical aperture microscope objectives. Axial resolution, governed by the source coherence length, is 0.9 μm. 4x4 pixel binning leads to a detection sensitivity of ~ 65 dB. The rapid image capture of the cameras reduces acquisition time to 5 ms. The rapidity of our system makes it suitable for in vivo imaging of biological media, in particular the study of ultra-rapid biological phenomena.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Kate Grieve ; Arnaud Dubois and Albert C. Boccara
"Ultrashort acquisition time full-field OCT", Proc. SPIE 5316, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine VIII, 252 (July 1, 2004); doi:10.1117/12.529193; http://dx.doi.org/10.1117/12.529193


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