ARTICLE:

• TRANSIENT RADIATIVE TRANSFER  download article

Sunil Kumar
Department of Mechanical, Aerospace and Manufacturing Engineering, Polytechnic University, 6 Metrotech Center, Brooklyn, NY 11201, USA

Kunal Mitra
Department of Mechanical Engineering, Polytechnic University, 333 Jay Street, Brooklyn, NY 11201, USA

ABSTRACT

This paper outlines the formulation of the transient transport of radiation through scattering absorbing media and discusses the need for developing methods for predicting and evaluating transient radiative transfer. Various simplifications of the general radiative transfer equation and different approximate methods of solution are considered to indicate the difficulties associated with analyzing transient transport. Applications where these results are important include the transport of femtosecond and picosecond laser pulses through absorbing and scattering medium such as in optical tomography for non-invasive imaging of tissues or probing the characteristics of particulate medium by examing the transmitted or back-scattered transients.

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