Review Article

Prospects on Time-Domain Diffuse Optical Tomography Based on Time-Correlated Single Photon Counting for Small Animal Imaging

Figure 2

Microscopic view of (a) absorption of a photon by an absorber (represented by the blue circle) and (b) scattering of a photon by a scatterer (blue circle). See text for details.
(a) Absorption
(b) Scattering