Journal of Radio Electronics. eISSN 1684-1719. 2025. ¹3

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DOI: https://doi.org/10.30898/1684-1719.2025.3.16

 

ULTRA-WIDEBAND DUAL-REFLECTOR ANTENNA

WITH A METAL-DIELECTRIC FEED SYSTEM

 

A.S. Venetsky 1, V.A. Kaloshin 1, Nguyen The Thanh 2

 

1 Kotelnikov IRE RAS

125009, Russia, Moscow, Mokhovaya str., 11, b.7

 

2 Moscow Institute of Physics and Technology (National Research University),
141700, Russia, Dolgoprudny, Institutsky lane, 9

 

The paper was received March 4, 2025.

 

Abstract. An ultra-wideband axisymmetric dual-reflector system with a metal-dielectric feed system has been developed and investigated. As a result of numerical modeling using finite element, moment and finite difference methods in the time domain and parameter optimization, it has been shown that the optimized dual-reflector antenna provides the efficiency of more than 0.5 in a frequency band greater than 5:1, and more than 0.7 in a frequency band greater than 3:1.

Key words: dual-reflector antenna, ultra-wideband antenna, metal-dielectric feed, Mikaelian lens.

Financing: The work was carried out using budget funding within the framework of the state task 0030-2019-006.

Corresponding author: Nguyen The Thanh, nguen.t@phystech.edu

 

 

References

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For citation:

Venetskiy A.S., Kaloshin V.A., Nguyen The Thanh. Ultra-wideband dual-reflector antenna with a metal-dielectric feed system // Journal of Radio Electronics. – 2025. – No. 3. https://doi.org/10.30898/1684-1719.2025.3.16