期刊
OPTICS EXPRESS
卷 21, 期 14, 页码 16353-16369出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.016353
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资金
- National Institutes of Health [P41 EB015903, R01 CA163528]
- NRF of Korea [2012-0005633]
- Terumo Corporation
- Swiss National Science Foundation
Polarization mode dispersion (PMD) has been recognized as a significant barrier to sensitive and reproducible birefringence measurements with fiber-based, polarization-sensitive optical coherence tomography systems. Here, we present a signal processing strategy that reconstructs the local retardation robustly in the presence of system PMD. The algorithm uses a spectral binning approach to limit the detrimental impact of system PMD and benefits from the final averaging of the PMD-corrected retardation vectors of the spectral bins. The algorithm was validated with numerical simulations and experimental measurements of a rubber phantom. When applied to the imaging of human cadaveric coronary arteries, the algorithm was found to yield a substantial improvement in the reconstructed birefringence maps. (C) 2013 Optical Society of America
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