1. Simple Spectral Calibration Method and Its Application Using an Index Array for Swept Source Optical Coherence Tomography

    Simple Spectral Calibration Method and Its Application Using an Index Array for Swept Source Optical Coherence Tomography
    In this study, we report an effective k-domain linearization method with a pre-calibrated indexed look-up table. The method minimizes k-domain nonlinear characteristics of a swept source optical coherence tomography (SS-OCT) system by using two arrays, a sample position shift index and an intensity compensation array. Two arrays are generated from an interference pattern acquired by connecting a Fabry-Perot interferometer (FPI) and an optical spectrum analyzer (OSA) to the system. At real time imaging, the sample position is modified by location movement and intensity compensation with two arrays for linearity of wavenumber. As a result of evaluating point spread functions (PSFs ...
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