ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,535, issued on May 27, was assigned to Utah State University (Logan, Utah).
"Filter incidence narrow-band infrared spectrometer" was invented by Charles Swenson (North Logan, Utah) and Alan Marchant (North Logan, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and methods for optically detecting a target gas are disclosed and described. An imaging system can include a narrow-band optical interference filter with a center wavelength that corresponds to a feature in an absorption spectrum of a target gas at a normal angle of incidence. An optical component can receive incoming light from the target gas that has passed through the narrow-b...