Figure 3
From: Quantitative phase imaging with scanning holographic microscopy: an experimental assesment
Detail of the reconstruction of a spongila spicule. Details of the phase profile of the tip of a thicker spicule. (a) wrapped phase map (black = -π/2 + n 2π ; gray = n 2π ; white = π/2 + n 2π), (b) unwrapped phase map (the color code indicates the phase in radians), (c) 3D phase profile.