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Proceedings Article

Dual-reference full-range frequency domain optical coherence tomography

[+] Author Affiliations
Kye-Sung Lee, Panomsak Meemon

CREOL, College of Optics & Photonics, Univ. of Central Florida (USA)

Kevin Hsu

Micron Optics, Inc (USA)

William J. Dallas

College of Optical Sciences, The Univ. of Arizona (USA)

Jannick P. Rolland

Institute of Optics, University of Rochester (USA)

Proc. SPIE 7170, Design and Quality for Biomedical Technologies II, 717004 (February 23, 2009); doi:10.1117/12.823146
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From Conference Volume 7170

  • Design and Quality for Biomedical Technologies II
  • Ramesh Raghavachari; Rongguang Liang
  • San Jose, CA | January 24, 2009

abstract

It has been shown that frequency domain optical coherence tomography (FD-OCT) systems achieve higher sensitivities compared to time domain OCT systems. However, the obscure object structure due to the mirror image generated by the Fourier transform is one of the main problems in FD-OCT. We designed and developed a novel full range FD-OCT system that we refer to as the dual-reference full-range FD-OCT (DR-FDOCT) that enables doubling the imaging depth by removing mirror images generated from the Fourier transform of the detected real-valued spectra. The DR-FDOCT system enables full-range imaging without any loss of speed and is less sensitive to phase errors generated by involuntary movements of the subject than the other established full-range OCT systems. The reason is because it uses two signals with a phase difference of π/2 obtained simultaneously from two reference arms to remove mirror images.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Kye-Sung Lee ; Panomsak Meemon ; Kevin Hsu ; William J. Dallas and Jannick P. Rolland
"Dual-reference full-range frequency domain optical coherence tomography", Proc. SPIE 7170, Design and Quality for Biomedical Technologies II, 717004 (February 23, 2009); doi:10.1117/12.823146; http://dx.doi.org/10.1117/12.823146


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