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Reflectivity of antenna reflectors:measurements at frequencies between 110 and 200 GHz

By CGM van 't Klooster, V Parshin and SE Myasnikova


\u3cp\u3eIt is imperative to test mechanical, electrical and thermal-optical properties of MM and Sub-MM reflector antennas. Electrical, thermal and optical properties are very important and high-accurate measurements lead obviously to more accurate results in applications. This paper deals with measurement of electrical reflectivity in a range 110 - 200 GHz. Reflectivity has been measured for a number of samples, which represent materials used in reflector antennas. Both metal samples and carbon-fibre samples were tested in a dedicated facility available for this purpose at the Applied Physics Institute in Nizhny Novgorod (IAP). The test facility is shortly discussed, with techniques for the data extraction. Calibration is done with high quality silver coated mirrors and aluminium control samples. Accurate results have been derived with indicative interesting results.\u3c/p\u3

Publisher: 'Institute of Electrical and Electronics Engineers (IEEE)'
Year: 2003
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Provided by: Repository TU/e
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