A GO/FO Tool for Analyzing Quasi-Optical Systems in Reception
Huasheng Zhang (TU Delft - Tera-Hertz Sensing)
Shahab Dabironezare (TU Delft - Tera-Hertz Sensing)
Giorgio Carluccio (TU Delft - Tera-Hertz Sensing)
A Neto (TU Delft - Tera-Hertz Sensing)
N Llombart (TU Delft - Tera-Hertz Sensing)
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Abstract
In this work, a free accessible MATLAB interface is presented to analyze antenna-coupled Quasi-Optical (QO) systems in reception. This goal is achieved by using Fourier Optics (FO) and Geometrical Optics (GO) based methods. Specifically, the FO method represents the field focalized by a QO component on its focal plane as a plane wave spectrum when the component is illuminated by an incident field. This spectrum is related to the field scattered by the QO component which is calculated here using a GO method. By using this spectrum, the tool estimates the power received by an antenna placed at the focal plane of the QO component. Moreover, the performance in reception is evaluated.