Abstract
The operation of a quasi-optical polarization ring interferometer (PRI) performing the function of a diplexer, bandpass filter, and band-stop filter is demonstrated for the first time. It is shown that the beam focusing losses in this interferometer can be reduced using spherical low-permittivity lenses. The results of measurements of the transmission characteristics of a PRI prototype in a 3-mm wavelength range are presented.
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L. B. Knyaz’kov and N. V. Ruzhentsev, Int. J. Infrared Millim. Waves 27, 211 (2006).
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Original Russian Text © L.B. Knyaz’kov, N.V. Ruzhentsev, 2007, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2007, Vol. 33, No. 18, pp. 1–7.
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Knyaz’kov, L.B., Ruzhentsev, N.V. Quasi-optical diplexer and filter based on a polarization ring interferometer. Tech. Phys. Lett. 33, 761–763 (2007). https://doi.org/10.1134/S1063785007090143
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DOI: https://doi.org/10.1134/S1063785007090143