Metal plate lens in a focused beam system for microwave material testing

Bogosanović, Mirjana; Al-Anbuky, Adnan; Emms, Grant

doi:10.1109/apmc.2008.4958025

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“…Many systems enable beam focusing in near-field region. It can be obtained using a planar patch array [1,2], a slotted rectangular waveguide [3], a horn with metal plate lens [4,5] or with a dielectric lens. In the latest case, the dielectric lens can be placed in front of the horn [6] or inserted in the horn aperture [7,8].…”

Section: Introductionmentioning

confidence: 99%

Near-Field Focusing in One Plane Using a Loaded Sectoral Horn Antenna

Clauzier¹,

Avrillon²,

Coq³

et al. 2013

PIER Letters

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A near-field focused antenna used as a feed for linear array is presented in this paper. This antenna is an H-plane sectoral horn with a biconvex dielectric lens placed in its aperture. This antenna focuses the beam in one plane (H-plane) to illuminate a linear array with a small width and provide a large aperture on the other plan to illuminate the length of the array. The simulated field distribution on the array is found to be in good agreement with the measurement of a prototype at 9.41 GHz.

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