An improved polarization-sensitive optical coherence tomography (OCT) system is developed and used to measure birefringence in porcine myocardium tissue and produce two-dimensional birefringence mapping of the tissue. Signal-to-noise issues that cause systematic measurement errors are analyzed to determine the regime in which such measurements are accurate. The advantage of polarization-sensitive OCT systems over standard OCT systems in avoiding image artifacts caused by birefringence is also demonstrated.
© 1998 Optical Society of America
(110.4280) Imaging systems : Noise in imaging systems
(110.4500) Imaging systems : Optical coherence tomography
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(170.3880) Medical optics and biotechnology : Medical and biological imaging
M. J. Everett, K. Schoenenberger, B. W. Colston, Jr., and L. B. Da Silva, "Birefringence characterization of biological tissue by use of optical coherence tomography," Opt. Lett. 23, 228-230 (1998)