ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,336, issued on March 3, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).
"Acoustically formed diffractive optical elements" was invented by Sundeep Kumar Jolly (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "A diffractive optical element may include a slab of transparent photoelastic material and a set of acoustic transducers spread over the perimeter of the slab. The acoustic transducers generate surface and/or volume acoustic waves that induce a diffractive pattern in the slab due to photoelasticity. The diffractive patterns a dynamic, i.e. they may be changed by changing phases and frequencies of oscillation of ...