Muhammad Fayyaz Kashif, Balázs Rakos,
https://link.springer.com/chapter/10.1007%2F978-3-319-99834-3_23
In this paper, we introduce an antenna-based energy harvesting device for generating electricity from infrared radiation. The proposed device is based on nanoantennas, terahertz rectifying diodes and concentrator lenses. Diodes integrated together with antennas can transform the energy of electromagnetic radiation into electricity by rectifying the high frequency currents induced in the antennas. We consider an array of diode coupled nanoantennas over a suitable substrate. A layer of micro lenses is placed on top of the antenna array to focus the incident light. This can considerably boost the conversion efficiency of the antenna array. A theoretical description of the proposed device is presented. Based on the existing experimental results, conversion efficiency of ~77% is estimated for the 10 µm infrared radiation.
