ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,763, issued on Jan. 13, was assigned to Fujikura Ltd. (Toyko, Japan).
"Fiber laser apparatus" was invented by Takuya Kurihara (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fiber laser apparatus includes: an amplification optical fiber that amplifies a laser beam; one or more pumping light sources that generate pumping light that is supplied to the amplification optical fiber; an output optical fiber including a first core that allows the laser beam amplified by the amplification optical fiber to propagate therethrough, and a first cladding having a refractive index lower than a refractive index of the first core and surrounding a ci...