Optics Communications · 2008 · 11 citations · 15 references
EngineeringElectrical EngineeringAntennasElectromagneticsMicrowave EngineeringAntenna DesignAntenna DirectivityAntenna RadiationElectromagnetic WavesPlanar AntennasReflector AntennasDeformationReflector Antenna DesignReflector Antenna Gain
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Generation of hollow Gaussian beams by spatial filtering
Zhengjun Liu, Haifa Zhao, Jianlong Liu et al. · Optics Letters · 2007 · 136 citations