ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,866, issued on Feb. 3, was assigned to Lambdascope (San Jose, Calif.).

"Fiber optic based temperature sensor" was invented by Qin Zhang (San Jose, Calif.) and Eric Kanki (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel detection scheme and all fiber optic temperature sensor is disclosed. The apparatus comprising a sensing loop; a laser diode driver; a coupler; a first photodetector coupled to the coupler output to produce a current; an amplifier to convert and amplify the current to voltage; an A/D converter to convert the voltage to digital signal; an AOEO regenerator to convert coupler optical output to electronic signal whi...