ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,617, issued on July 14, was assigned to TELEDYNE SCIENTIFIC & IMAGING LLC (Thousand Oaks, Calif.).

"Thermally compensated physics package using two- vapor cell technique for atomic reference based temperature control" was invented by Robert Borwick (Thousand Oaks, Calif.), Jeffrey DeNatale (Thousand Oaks, Calif.), Mu Hong Lin (Thousand Oaks, Calif.) and Nicholas Kotsianas (West Sacramento, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A physics package includes a laser, a first vapor cell having an alkali metal vapor and a first buffer gas, a second vapor cell having the alkali metal vapor and a second buffer gas, and a photo-detector. The f...