dielectric lens


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dielectric lens

[‚dī·ə′lek·trik ′lenz]
(electromagnetism)
A lens made of dielectric material so that it refracts radio waves in the same manner that an optical lens refracts light waves; used with microwave antennas.
References in periodicals archive ?
It consisted of a feed antenna and a dielectric lens that focuses microwave energy onto the sample.