Reflectivity of absorbers in 100-200 GHz range

A. Lehto, Jussi Tuovinen, Antti Räisänen

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)


Different types (pyramidal, convoluted, wedge, flat) of absorber panel made by several manufacturers have been measured at 107 and 183 GHz. These measurements revealed a rapid degradation of the quality of absorbers from 107 to 183 GHz: reflectivity increased nearly 10 dB. The best absorbers have reflectivities below -40 dB at 107 GHz and about -35 dB at 183 GHz.
Original languageEnglish
Pages (from-to)1699 - 1700
Number of pages2
JournalElectronics Letters
Issue number19
Publication statusPublished - 1991
MoE publication typeA1 Journal article-refereed

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