Luneberg Lens Offers Wide Scan With Multiple Pencil Beams.

The article discusses research being done on two dimensional (2D) Luneberg lens. It references a study by Xidong Wu and Jean-Jacques Laurin published in the August 2007 issue of "IEEE Transactions on Antennas and Propagation." The proposed lens is based on a partially-filled parallel plate technique. The findings show broadband characteristics with radiation efficiencies between 43% and 72% over the tested frequency band of 26.5 to 37 Gigahertz (GHz).