HEAT REJECTING OPTIC

摘要

A heat-rejecting optic comprising an optical element and receiving element or layer with intermediate layer between is provided. Refractive indices of the optical element and receiving element or layer are greater than the intermediate layer. The optic may be part of a concentrator assembly or lens concentrator system for photovoltaic cells. The heat-rejecting optic functions to redirect wavelengths of light for which power conversion by a photovoltaic cell is inefficient and which cause undesirable photovoltaic cell heating and damage, reducing photovoltaic cell life. The receiving element or layer and intermediate layer modify the optical element to frustrate the total internal reflection of light that would otherwise occur within the optical element and divert that light into the receiving element or layer.