... aperture antenna arrayas a high efficiency coupler for photovoltaic applications Edward C. KinzelPornsak SrisungsitthisuntiXianfan XuRidge aperture antenna array as a high efficiencycoupler for ... choice for photovoltaic applications. 1However, the optical absorptivity of crystalline and polycrystallinesilicon, particularly near the band edge, is poor. For example, the absorption depth for ... region, where the antenna array is designed for, whereas absorption in siliconJournal of Photonics for Energy 017002-3 Vol. 1, 2011Kinzel, Srigungsitthisunti, and Xu: Ridge aperture antenna array...