A graphene ballistic rectifier is used in conjunction with an antenna to demonstrate a rectenna as a terahertz (THz) detector. A small-area (<1 μm 2) local gate is used to adjust the Fermi level in ...
Abstract: The process of reflectarray antenna design can be usually carried out into two separate steps: element design and aperture phase distribution design. In the step of element design, ...
Photos, left to right: After school program in Honduras, courtesy of Honduran Youth Alliance/Alianza Joven Honduras; U.S. Border Patrol Agent training Guatemalan Police, by Miguel Negronvia ...
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