ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,085, issued on Sept. 9, was assigned to ColdQuanta Inc. (Boulder, Colo.) and COLDQUANTA UK Ltd..

"Miniature atomic spectroscopy reference cell system" was invented by Timothy George Ballance (Oxford, Great Britain), Evan Salim (Lafayette, Colo.) and David Bowman (Oxford, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spectroscopy system is described. The spectroscopy system includes a cell, a photodiode, and mirrors. The cell has walls forming a chamber therein. The chamber is configured to receive laser signal(s) and retaining a vapor therein. The vapor fluoresces in response to the laser signal(s). The mirrors are configured to di...