ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,953, issued on July 8, was assigned to OneLight Sensing LLC (San Jose, Calif.).

"Multimode coupling for fiber waveguide" was invented by Michael G. Solonenko (San Diego) and Francis G. Muennemann (Menlo Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an example, an optical system includes a fiber, a detector, and a gradient-index (GRIN) lens assembly. The GRIN lens assembly is positioned between the fiber and the detector and couples light from an exit aperture of the fiber onto the detector. The spot size of light exiting the fiber is larger than a spot size of light exiting the GRIN lens assembly. Additionally, the spot area of light...