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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 34, Iss. 31 — Nov. 1, 1995
  • pp: 7395–7409

Photon-measurement density functions. Part I: Analytical forms

Simon R. Arridge  »View Author Affiliations


Applied Optics, Vol. 34, Issue 31, pp. 7395-7409 (1995)
http://dx.doi.org/10.1364/AO.34.007395


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Abstract

This paper addresses the problem of tomographic reconstruction of absorption and scattering parameters in the optical region from measurements of transilluminated light. Specifically, the question of the sensitivity of different measurement schemes on the boundary of an object to perturbations of the optical parameters within the object are addressed. The concept of a photon-sampling volume [Appl. Opt. 33, 448 (1994)] and a photon-hitting density [Appl. Opt. 32, 448 (1993)] is extended to a photon-measurement density function (PMDF). The PMDF is derived from the Green’s function of the diffusion equation and can be expressed for measurements such as the time-varying intensity, integrated intensity, temporal moments, and phase shift, as well as for both absorption and diffusion perturbations. Closed-form solutions are given for a number of these functions in infinite space, half-space, and slab geometries. Example results are given in terms of three-dimensional images.

© 1995 Optical Society of America

History
Original Manuscript: August 26, 1994
Revised Manuscript: June 19, 1995
Published: November 1, 1995

Citation
Simon R. Arridge, "Photon-measurement density functions. Part I: Analytical forms," Appl. Opt. 34, 7395-7409 (1995)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-34-31-7395

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