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Sketch of PM fiber-based PS-OCT setup. FDML, Fourier-domain mode-locked swept laser source and buffer stage; circ. –circulator; C, collimator; 30 m, 30 m long PM fibers; QWP, quarter wave plate; M, mirror; XY scan, galvo scanner; L, sample arm lens; PBS, polarizing beam splitter; BPD, balanced photodetector; DAQ, data acquisition card; PC, personal computer; a-e, representation of theoretical polarization state of the probing radiation.
