作者: J.A. Murphy
DOI: 10.1109/8.1147
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摘要: It is shown how the radiation patterns of conical horns can be understood in terms Laguerre-Gaussian beam modes. This approach provides a simple method for calculating horn pattern as it propagates through multielement optical system consisting lenses or offset mirrors with large focal ratio and/or small angle incidence, and used quantitatively determining aperture efficiencies systems where are coupled to antennas via tertiary optics. The resulting efficiency results practical quasioptical fed by discussed. >