We derive formulas for rigorous transfer matrix calculations of absorption in multiple-coherent-scattering systems in which the scatterers are multiply coated spheres (not necessarily concentric). Any of the spherical coatings, cores, or host media may be composed of absorbing materials. For a nonabsorbing host media, the total absorption may be deduced from overall energy conservation. A more detailed description of the absorption is obtained through formulas yielding the absorption within individual scatterers and/or coatings. We present some illustrative applications of these formulas to the design of heterogeneous coated-sphere media exhibiting enhanced absorption.
© 2003 Optical Society of America
Brian Stout, Christine Andraud, Sophie Stout, and Jacques Lafait, "Absorption in multiple-scattering systems of coated spheres," J. Opt. Soc. Am. A 20, 1050-1059 (2003)