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Design criteria of X-wave launchers for millimeter-wave applications

Abstract : Bessel-beam launchers are promising and established technologies for focusing applications at microwaves. Their use in time-domain leads to the definition of a new class of devices, namely, the X-wave launchers. In this work, we discuss the focusing features of such devices with a specific interest at millimeter waves. The spatial resolutions of such systems are described under a rigorous mathematical framework to derive novel operating conditions for designing X-wave launchers. These criteria might be particularly appealing for specific millimeter-wave applications. In particular, it is shown that an electrically-large aperture is not strictly required, as it seemed from previous works. However, the use of an electrically-small aperture would demand a considerably wideband capability. The various discussions presented here provide useful information for the design of X-wave launchers. This aspect is finally shown with reference to the practical design of two different X-wave launchers.
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Submitted on : Wednesday, March 11, 2020 - 6:18:19 PM
Last modification on : Friday, November 25, 2022 - 7:04:09 PM
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Walter Fuscaldo, Santi Concetto Pavone, Davide Comite, Guido Valerio, Matteo Albani, et al.. Design criteria of X-wave launchers for millimeter-wave applications. International Journal of Microwave and Wireless Technologies, 2019, 11 (9), pp.939-947. ⟨10.1017/S175907871900062X⟩. ⟨hal-02505866⟩



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