ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,328, issued on Oct. 7, was assigned to VIAVI SOLUTIONS INC. (Chandler, Ariz.).
"Stepped structure optical filter" was invented by William D. Houck (Santa Rosa, Calif.) and Steven Saxe (Santa Rosa, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter may include a substrate. The filter may include a stepped medium disposed on the substrate. The filter may include a first mirror disposed on the stepped medium. The first mirror may form a stepped mirror surface. Each step, of the stepped mirror surface may correspond to a channel, of a set of channels, of the filter. The filter may include a spacer disposed on the stepped mirror surface. The f...