Refracting or diffracting devices, e.g. lens, prism

Full Title

Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices (variable for purpose of altering directivity H01Q3/00; arrangements of such devices for guiding waves H01P3/20; variable for purpose of modulation H03C7/02) > Refracting or diffracting devices, e.g. lens, prism

Child Classifications

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• H01Q 15/04 comprising wave-guiding channel or channels bounded by effective conductive surfaces substantially perpendicular to the electric vector of the wave, e.g. parallel-plate waveguide lens
• H01Q 15/06 comprising plurality of wave-guiding channels of different length
• H01Q 15/08 formed of solid dielectric material
• H01Q 15/10 comprising three-dimensional [3D] array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric
• H01Q 15/12 functioning also as polarisation filter