ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,545, issued on May 13, was assigned to VIAVI Solutions Inc. (Chandler, Ariz.).
"Optical filter comprising a sensor window to provide a transmissivity of less than 5% between approximately 400 nm and approximately 780 nm and a blocker to block transmission at less than approximately 1000 nm" was invented by Georg J. Ockenfuss (Santa Rosa, Calif.), Scott Rowlands (Santa Rosa, Calif.) and Markus Bilger (Santa Rosa, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor window may include a substrate and a set of layers disposed onto the substrate. The set of layers may include a first subset of layers of a first refractive index and a second se...