ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,553, issued on Feb. 24, was assigned to II-VI DELAWARE INC. (Wilmington, Del.).

"Micro-optics on VCSEL-based flood illuminator" was invented by Jason O'Daniel (Wilmington, Del.), Pei-Song Cai (Wilmington, Del.), Hong-Zhi Liu (Wilmington, Del.) and Francesco Schiattone (Wilmington, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A laser assembly, such as a flood illuminator, has laser (e.g., VCSEL) emitters on a substrate configured to emit optical signals. An optic structure of optically transparent material, such as a polymer, is formed directly on the substrate, and micro-optic elements are nano-imprinted on the optic structure. The micro-opti...