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Frequency Independent Design of Quasi-optical Systems

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Abstract

Beam propagation at millimeter and submillimeter wavelengths is well described by Gaussian beams and quasi-optical theory. Due to the general progress in THz technology, receiver and other quasi-optical systems in the THz range demand increasingly larger bandwidths. In this context, this paper presents a general design methodology for frequency independent quasi-optical systems, based on system matrix analysis. After the presentation of the general ideas, useful design equations are derived for the most common quasi-optical systems. Finally, the derived equations are validated by application to already deployed radio astronomy receivers.

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Authors and Affiliations

  1. National Astronomical Observatory of Japan, Mitaka, Tokyo, 181-8588, Japan

    Alvaro Gonzalez

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  1. Alvaro Gonzalez
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Correspondence to Alvaro Gonzalez.

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Gonzalez, A. Frequency Independent Design of Quasi-optical Systems. J Infrared Milli Terahz Waves 37, 147–159 (2016). https://doi.org/10.1007/s10762-015-0205-1

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  • DOI: https://doi.org/10.1007/s10762-015-0205-1

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