TY - RPRT TI - Metasurface-based ultra-lightweight high-gain off-axis flat parabolic reflectarray for microwave beam collimation/focusing AU - Silva, Sinhara R. AU - Rahman, Abdur AU - de Melo Kort-Kamp, Wilton AU - Rushton, Jeremiah J. AU - Singleton, John AU - Taylor, Antoinette J. AU - Dalvit, Diego A. R. AU - Chen, Hou-Tong AU - Azad, Abul K. PY - 2019 DO - 10.1038/s41598-019-55221-8 UR - https://www.osti.gov/biblio/1619613 ID - 1619613 ER -