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System schematic of as-PSOCT. The dashed block shows the home built spectral domain PSOCT. C, collimator; CM, concave mirror; DC, dispersion compensation block; FC, fiber coupler; G, grating; LSC, line scan camera; P, polarizer; PC, polarization controller; PMC, polarization-maintaining fiber coupler; PS, polarization splitter; QWP, quarter-wave plate; SLD, superluminescent diode.
