Comparative study of optical sources in the near infrared for optical coherence tomography applications

Optical coherence tomography (OCT) is a powerful, noninvasive biomedical technique that uses low-coherence light sources to obtain in-depth scans of biological tissues. We report results obtained with three different sources emitting at 1570, 1330, and , respectively. Attenuation and backscattering...

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Bibliographic Details
Published in:Journal of Biomedical Optics 2007-01, Vol.12 (1), p.014017-014018
Main Authors: Carrion, Lionel, Lestrade, Michel, Xu, Zhiqiang, Touma, Gaby, Maciejko, Romain, Bertrand, Michel
Format: Article
Language:English
Subjects:
absorption
Attenuation
Backscattering
Biological
Coherence
coherent optical systems
Equipment Design
Equipment Failure Analysis
Image Interpretation, Computer-Assisted - methods
Infrared
Lighting - instrumentation
Lighting - methods
medical imaging
Optical Coherence Tomography
optical properties
Penetration depth
Phantoms, Imaging
Reproducibility of Results
Sensitivity and Specificity
Spectrophotometry, Infrared - instrumentation
Spectrophotometry, Infrared - methods
Tomography, Optical Coherence - instrumentation
Tomography, Optical Coherence - methods
Wavelengths
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Summary:Optical coherence tomography (OCT) is a powerful, noninvasive biomedical technique that uses low-coherence light sources to obtain in-depth scans of biological tissues. We report results obtained with three different sources emitting at 1570, 1330, and , respectively. Attenuation and backscattering measurements are obtained with these sources for several biological tissues. From these measurements, we use a graphical method to make comparisons of the penetration depth and backscattering intensity of each wavelength for the studied samples. The influence of the coherence length of each source is also taken into account in order to make a more relevant comparison.
ISSN:1083-3668
1560-2281
DOI:10.1117/1.2710242