US Patent Issued to HAKUSAN on May 12 for "Optical fiber sensor utilizing faraday rotator mirrors and measuring system using the same" (Japanese Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,973, issued on May 12, was assigned to HAKUSAN Corp. (Tokyo).

"Optical fiber sensor utilizing faraday rotator mirrors and measuring system using the same" was invented by Toshiharu Ikeda (Tokyo), Tsutomu Yamate (Tokyo), Masashi Saijo (Tokyo) and Minoru Yoshida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is the optical fiber sensor, that laser pulses from a laser source are separated into a reference path and a measurement path by the second optical coupler via the first optical coupler, the first FRM is provided at an end of the reference path, the second FRM is provided at an end of the measurement path, and the refer...