Free-space propagation of diffuse light: theory and experiments

Phys Rev Lett. 2003 Sep 5;91(10):103901. doi: 10.1103/PhysRevLett.91.103901. Epub 2003 Sep 2.

Abstract

In this Letter we present a simple and novel theoretical approach for modeling the intensity distribution from an arbitrarily shaped turbid volume in a noncontact geometry by considering diffuse light propagation in free space. This theory is validated with experiments for a diffusive volume of known geometry in a noncontact situation, both with and without the presence of an embedded absorber. The implications of this new formulation in the context of optical tomography in turbid media are discussed.

Publication types

  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Diffusion
  • Image Processing, Computer-Assisted / methods*
  • Light
  • Models, Theoretical*
  • Optics and Photonics*
  • Tomography / methods