High-Quality Tissue Imaging Using a Catheter-Based Swept-Source Optical Coherence Tomography Systems With an Integrated Semiconductor Optical Amplifier

We present the analysis and characteristics of an optical fiber catheter-based swept-source optical coherence tomography (SS-OCT) system for tissue imaging. A quadrature Mach-Zehnder interferometer based on multiport fiber couplers and a semiconductor optical amplifier were employed in our SS-OCT sy...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 2011-10, Vol.60 (10), p.3376-3383
Main Authors: Youxin Mao, Flueraru, C., Shoude Chang, Popescu, D. P., Sowa, M. G.
Format: Article
Language:English
Subjects:
Biomedical imaging
Imaging
Instrumentation
Lenses
Mach-Zehnder interferometers
Noise
Optical attenuators
Optical Coherence Tomography
optical coherence tomography (OCT)
optical fiber probe
Optical fibers
Optical imaging
Optical interferometry
quadrature interferometer
semiconductor amplifier
Semiconductor optical amplifiers
Surgical implants
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Summary:We present the analysis and characteristics of an optical fiber catheter-based swept-source optical coherence tomography (SS-OCT) system for tissue imaging. A quadrature Mach-Zehnder interferometer based on multiport fiber couplers and a semiconductor optical amplifier were employed in our SS-OCT system in order to increase the signal-to-noise ratio, therefore improving image quality deeper within the tissue. We demonstrate OCT images of human skin and arterial tissue acquired with our OCT engine. The results show that this OCT system is an effective imaging modality for real-time diagnosis and in vivo biological applications.
ISSN:0018-9456
1557-9662
DOI:10.1109/TIM.2011.2126950