High-speed imaging system based on spectral optical coherence tomography

Xiaodong Chen; Wanhui Li; Yi Wang; Daoyin Yu

doi:10.1117/12.576877

18 January 2005 High-speed imaging system based on spectral optical coherence tomography

Xiaodong Chen, Wanhui Li, Yi Wang, Daoyin Yu

Proceedings Volume 5630, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment II; (2005) https://doi.org/10.1117/12.576877
Event: Photonics Asia, 2004, Beijing, China

Abstract

Optical coherence tomography (OCT) is an emerging technology for producing high-resolution cross-sectional imaging based on the principles of low-coherence interferometry. Tissue structure can be imaged on the micron scale in real time. The principle of OCT is analogous to that of ultrasound imaging, except that it measures the intensity of reflected infrared (IR) light rather than sound waves. A new spectral OCT(SOCT) technique is introduced. SOCT and its application to measure depth resolved spectral absorption is described. The crucial parameters of this method like transversal, depth, and spectral resolution and their relations are discussed. In combination with SOCT technique and endoscopes, SOCT enables high-resolution imaging in lumens of, for example, the esophagus and stomach. SOCT can be used to perform 'optical biopsy', or to guide surgery, by providing images in situ and in real time.

Citation Download Citation

Xiaodong Chen, Wanhui Li, Yi Wang, and Daoyin Yu "High-speed imaging system based on spectral optical coherence tomography", Proc. SPIE 5630, Optics in Health Care and Biomedical Optics: Diagnostics and Treatment II, (18 January 2005); https://doi.org/10.1117/12.576877

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