Evaluation of conventional optics approach to diffraction of diffuse photon-density waves

Stephen P. Morgan; Mark C. Pitter; Michael G. Somekh; Kai Y. Yong

doi:10.1117/12.356819

15 July 1999 Evaluation of conventional optics approach to diffraction of diffuse photon-density waves

Stephen P. Morgan, Mark C. Pitter, Michael G. Somekh, Kai Y. Yong

Proceedings Volume 3597, Optical Tomography and Spectroscopy of Tissue III; (1999) https://doi.org/10.1117/12.356819
Event: BiOS '99 International Biomedical Optics Symposium, 1999, San Jose, CA, United States

Abstract

Scalar diffraction theory is used to model the propagation of diffuse photon density waves in heavily scattering media. The principal difference between this and previous approaches is that the three classical boundary conditions have been considered. The model is shown to qualitatively demonstrate the correct trends for diffraction by planar objects embedded at different depths within the scattering medium. Quantitatively the three scalar diffraction boundary conditions are shown to provide different results in both amplitude and phase of the diffraction pattern at the detector plane. Preliminary results indicate that the Kirchoff boundary condition provides the best match to Monte Carlo simulations.

Citation Download Citation

Stephen P. Morgan, Mark C. Pitter, Michael G. Somekh, and Kai Y. Yong "Evaluation of conventional optics approach to diffraction of diffuse photon-density waves", Proc. SPIE 3597, Optical Tomography and Spectroscopy of Tissue III, (15 July 1999); https://doi.org/10.1117/12.356819

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