New method to calculate back-reflected radiance for isotropic scattering

Kees Rinzema; Jaap J. ten Bosch; Hedzer A. Ferwerda; Bernhard J. Hoenders

doi:10.1117/12.237526

2 April 1996 New method to calculate back-reflected radiance for isotropic scattering

Kees Rinzema, Jaap J. ten Bosch, Hedzer A. Ferwerda, Bernhard J. Hoenders

Proceedings Volume 2675, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy V; (1996) https://doi.org/10.1117/12.237526
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

We present a method to determine the back reflected radiance from an isotropically scattering halfspace with matched boundary. The bonus of this method lies in the fact that it is capable, in principle, to handle the case of narrow beams, something which, to our knowledge, no other analytic method can do. Essentially, the method derives from a mathematical criterion that effectively forbids the existence of solutions to the transport equation which grown exponentially as one moves away from the surface and deeper into the medium. Preliminary calculations for infinitely wide beams yield results which agree well with what is found in literature.

Citation Download Citation

Kees Rinzema, Jaap J. ten Bosch, Hedzer A. Ferwerda, and Bernhard J. Hoenders "New method to calculate back-reflected radiance for isotropic scattering", Proc. SPIE 2675, Optical Methods for Tumor Treatment and Detection: Mechanisms and Techniques in Photodynamic Therapy V, (2 April 1996); https://doi.org/10.1117/12.237526

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KEYWORDS

Scattering

Laser scattering

Picosecond phenomena

Fourier transforms

Collimation

Diffusion

Monte Carlo methods

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