Fresnel zone plates are a type of diffractive antenna, used in place of curved lenses. The zone plates offer numerous advantages, and have seen extensive investigation and application at microwave, millimeter-wave, and terahertz frequencies. The difficulties of moving to frequencies above 90 GHz are described.
Diffraction optics for 90 GHz to 1.5 THz frequencies
2005-01-01
328549 byte
Conference paper
Electronic Resource
English
RA3-5 Diffraction Optics for 90 GHz to 1.5 THz Frequencies
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