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Broadband Polarizer Miter Bend for High Power Radar Applications

Haas, Daniel and Marek, Alexander and Thumm, Manfred and Jelonnek, John and Jirousek, Matthias and Peichl, Markus (2020) Broadband Polarizer Miter Bend for High Power Radar Applications. German Microwave Conference 2020, March 09–11, 2020, Cottbus, Germany.

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Abstract

Polarizer miter bends are used to alter the polarization in overmoded waveguides. For future space debris observation with broadband high power W-band radar sensors these are important transmission line components. A polarizer miter bend uses a grooved mirror as phase grid for polarization. The present paper address a suitable design of such a phase grid for broadband radar applications within the frequency range from 90 GHz to 100 GHz. An appropriate parameter combination is found by a parametric study. For reduction of the required amount of calculation a plane wave approximation and unit cell simulations are used. With a suitable parameter combination a cross polarization of Xpol <= -26 dB can be achieved within the considered frequency range. This corresponds to a suitable value for radar applications.

Item URL in elib:https://elib.dlr.de/133772/
Document Type:Conference or Workshop Item (Speech)
Title:Broadband Polarizer Miter Bend for High Power Radar Applications
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Haas, DanielKarlsruhe Institute of Technology (KIT)UNSPECIFIED
Marek, AlexanderKarlsruhe Institute of Technology (KIT)UNSPECIFIED
Thumm, ManfredKarlsruhe Institute of Technology (KIT)UNSPECIFIED
Jelonnek, JohnKarlsruhe Institute of Technology (KIT)UNSPECIFIED
Jirousek, MatthiasMatthias.Jirousek (at) dlr.dehttps://orcid.org/0000-0003-2106-9245
Peichl, MarkusMarkus.Peichl (at) dlr.dehttps://orcid.org/0000-0003-0226-9786
Date:9 March 2020
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Accepted
Keywords:Polarizer, Cross Polarization, Transmission Line, Unit Cell, Space Debris, Radar
Event Title:German Microwave Conference 2020
Event Location:Cottbus, Germany
Event Type:international Conference
Event Dates:March 09–11, 2020
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Sicherheitsrelevante Erdbeobachtung
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Jirousek, Dr.-Ing. Matthias
Deposited On:23 Jan 2020 11:58
Last Modified:23 Jan 2020 11:58

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