US Patent Issued to NIL Technology on July 29 for "Diffractive optical elements" (Danish Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,800, issued on July 29, was assigned to NIL Technology ApS (Kongens Lyngby, Denmark).

"Diffractive optical elements" was invented by Villads Egede Johansen (Copenhagen, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for designing diffractive optical elements (DOEs) such as diffusers and other optical beam shaping elements can include designing a DOE unit cell on a smaller area than the overall area of the DOE, and then distributing the unit cell across the entire surface for the DOE. Height translations are introduced for at least some of the unit cells distributed across the surface, where the height translations correspond to re...