Fig. 1. Schematic of FD-PS-OCT system

Fig. 2. Power spectrum of the light source

Fig. 3. Relative difference between wavenumbers

Fig. 4. Calculation error of retardation as a function of Δk and kshift. (a) Three-dimensional view of retardation error as a function of Δk and kshift; (b) retardation error as a function of Δk at different given kshift

Fig. 5. Calculation error of fast axis orientation as a function of Δk and kshift. (a) Three-dimensional view of fast axis orientation error as a function of Δk and kshift; (b) fast axis orientation error as a function of kshift at different given Δk

Fig. 6. Calculation errors of (a) retardation and (b) fast axis orientation as a function of depth z; (c) A-line signals of spectra H and V; (d) enlarged view of the dashed box in Fig. (c)

Fig. 7. Calculation errors of (a) retardation and (b) fast axis orientation as a function of depth z when the sampling point is 1024; calculation errors of (c) retardation and (d) fast axis orientation as a function of depth z when the sampling point is 4×1024

Fig. 8. Calibration results. (a) Wavenumber; (b) A-line signals

Fig. 9. Measurement results of a wave plate. (a) Measured retardation as a function of set fast axis orientation; (b) measured fast axis orientation as a function of set fast axis orientation

Fig. 10. Measurement results of a wave plate. (a) Measured retardation as a function of depth; (b) measured fast axis orientation as a function of depth