ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,289, issued on Nov. 4, was assigned to VIAVI Solutions Inc. (Chandler, Ariz.).
"Optical filter" was invented by Scott Rowlands (Santa Rosa, Calif.), Georg J. Ockenfuss (Santa Rosa, Calif.), Tim Gustafson (Santa Rosa, Calif.) and Marius Grigonis (Santa Rosa, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical filter may include a set of optical filter layers disposed onto a substrate. The set of optical filter layers may include a first subset of optical filter layers comprising a first material with a first refractive index. The first material may comprise at least silicon and hydrogen. The set of optical filter layers may include a seco...