ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,473, issued on July 8.
"Beam-controlled spectral-selective architecture for a radiative cooler" was invented by Qiaoqiang Gan (Amherst, N.Y.), Lyu Zhou (Amherst, N.Y.), Zongfu Yu (Madison, Wis.) and Haomin Song (Williamsville, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A passive cooler of the disclosure includes a thermal emitter having a substrate and a coating disposed on at least a portion of a first side of the substrate. The cooler has a beam guide made from a material having a high absorption to solar wavelengths and high reflectance at mid-infrared wavelengths. The beam guide is configured such that at least a portion of incident ligh...