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Proceedings Article

Flow velocity measurements by frequency domain short coherence interferometry

[+] Author Affiliations
Rainer Leitgeb, Leopold F. Schmetterer, Christoph K. Hitzenberger, Markus Sticker, Adolf F. Fercher

Univ. Wien (Austria)

Maciej Wojtkowski

Nicolas Copernicus Univ. (Poland)

Proc. SPIE 4619, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications VI, 16 (June 14, 2002); doi:10.1117/12.470477
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From Conference Volume 4619

  • Coherence Domain Optical Methods in Biomedical Science and Clinical Applications VI
  • Valery V. Tuchin; Joseph A. Izatt; James G. Fujimoto
  • San Jose, CA | January 19, 2002

abstract

A method to measure the longitudinal flow velocity component based on phase resolved frequency domain optical coherence tomography (FDOCT) is introduced. At a center wavelength of 800nm the accessible velocity components ranges from 2 micrometers /s up to 2 mm/s. The upper limit is set by half the maximum frame rate of the CCD detector array. The lower limit is determined by the minimum resolvable phase change in the system, which is set by the system phase noise of 1 deg. First tests of the method include the velocity measurement of a mirror mounted on an oscillating piezo translator, and the flow of 8 micrometers latex spheres dispersed in water through a glass capillary.

© (2002) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Rainer Leitgeb ; Leopold F. Schmetterer ; Maciej Wojtkowski ; Christoph K. Hitzenberger ; Markus Sticker, et al.
"Flow velocity measurements by frequency domain short coherence interferometry", Proc. SPIE 4619, Coherence Domain Optical Methods in Biomedical Science and Clinical Applications VI, 16 (June 14, 2002); doi:10.1117/12.470477; http://dx.doi.org/10.1117/12.470477


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