ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,525, issued on July 22, was assigned to Applied Materials Israel Ltd. (Rehovot, Israel).
"Phase retrieval" was invented by Benny Kirshner (Elkana, Israel) and Boris Golberg (Ashdod, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for phase retrieval, the method may include (a) obtaining multiple out-of-focus intensity images of one or more point spread function targets; wherein the out-of-focus intensity images are generated by based on residual collected light signals obtained by a residual collection channel of an optical unit having a numerical aperture that exceeds 0.8; and (b) calculating phase information, based on the multiple ...