Fig. 1. Schematic of white-light diffraction phase microscopy setup

Fig. 2. Schematic of the method of eliminating halo effect based on Hilbert transform

Fig. 3. Experimental results of standard polystyrene microspheres. (a) Measured interferogram; (b) measured thickness image; (c) reconstructed thickness image by the proposed method; (d) reconstructed thickness image by the iterative algorithm; (e) thickness profiles of the same standard polystyrene microsphere along the solid lines in Fig.3(b)-(d)

Fig. 4. Experimental results of red blood cells. (a) Measured interferogram; (b) measured phase image; (c) reconstructed phase image by the proposed method; (d) phase profiles of the red blood cell along the solid lines in Fig. 4(b) and Fig. 4(c)