ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,706,430, issued on Aug. 11, was assigned to Fujikura Ltd. (Tokyo).
"Fiber laser apparatus" was invented by Mitsuaki Masubuchi (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fiber laser apparatus includes: amplification optical fibers including first and second amplification optical fibers, each of which having different amplification characteristics and including a core to which an active element is doped; one or more cooling plates having a first cooling surface that thermally contacts and cools the first amplification optical fiber and a second cooling surface that thermally contacts and cools the second amplification optical fiber; on...