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Optical Engineering

Mathematical model to simulate an optical channel controlling the divergence of an emitter's radiation
Author(s): Mehdi N. Fesharaki; Ali Mahmoodi; Farid Behazin
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Paper Abstract

The ways in which an optical channel can be used to control the radiation divergence of a hot surface are investigated. The surface with the channel is a thermal beacon, which can be used for object tracking. A semiconical shape is used for this channel. The divergence is controlled by optimizing the channel parameters with respect to the cone angle 2? and the radius ratio of the two channels’ bases. This is to maximize the power radiation in a narrow range of directions about the surface’s normal vector. In contrast to popular computer simulation methods such as Monte Carlo, a mathematical model is used for this purpose. The channel is mapped onto a two-dimensional space, and then the optimization is carried out. It is shown that for a range of 20 deg and a radius ratio of 2, the optimized value for a is about 12 deg.

Paper Details

Date Published: 1 September 1998
PDF: 8 pages
Opt. Eng. 37(9) doi: 10.1117/1.601784
Published in: Optical Engineering Volume 37, Issue 9
Show Author Affiliations
Mehdi N. Fesharaki, YMA Research & Industrial Complex (Iran)
Ali Mahmoodi, YMA Research & Industrial Complex (Iran)
Farid Behazin, YMA Research & Industrial Complex (Iran)

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