Fig. 3: Classical off-axis DH configuration with coherent illumination versus dynamic speckle illumination.
From: Strategies for reducing speckle noise in digital holography
a Off-axis Mach–Zehnder interferometer. G is the diffraction grating. b–g Quantitative phase imaging of a live cell using the method that was proposed in ref.102: b raw interference image, d processed quantitative phase image, and f numerically simulated DIC image for coherent illumination. c, e, g are the same as b, d, f but with dynamic speckle illumination. The insets in b, c are magnified images of the background by threefold. Scale bar, 10 μm. Color bar, phase in radians. Reprinted with permission from ref.113 [OSA The Optical Society]
