Fig. 1. Schematic of SSOCT. (a) Structure of system; (b) change in wavelength; (c) interference signal; (d) point spread function

Fig. 2. Diagram of SSOCT system

Fig. 3. Schematic of beam scanning

Fig. 4. Results of numerical simulations of Equs. (13) and (14)

Fig. 5. Threshold establishment

Fig. 6. Images at root of left thumb. (a) Imaging result of black marked area at root of left thumb, and imaging range is 3 mm×3 mm; (b) diagram of human skin tissue; (c) structural image after Fourier transform for scanning result; (d) binarized image generated by using structural image; (e) binarized image generated by threshold model

Fig. 7. Structural image and blood flow images. (a) Structural image; (b) blood flow image superimposed with Fig. 6(d); (c) blood flow image superimposed with Fig. 6(e)

Fig. 8. Regions of blood flow images used for calculating SNR. (a) Blood flow image generated by using structural image; (b) blood flow image generated by using amplitude difference image

Fig. 9. Interleaved scanning pattern