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The Generation of Phase Singularities by the Use of an Offset Fresnel-Type Lens Antenna |
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| Authors: | G. F. Brand |
| Affiliation: | (1) School of Physics, University of Sydney, NSW, 2006, Australia |
| Abstract: | In this paper a new, specially-configured Fresnel lens antenna is shown to efficiently convert a beam from a waveguide, located at the focus of the lens, into a beam with a phase singularity. |
| Keywords: | Fresnel lens phase singularity millimetre wave |
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