ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,367, issued on Aug. 5, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Laser amplifier" was invented by Yukari Miyagi (Tokyo) and Kenichi Hirosawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A laser amplifier includes a planar optical waveguide for laser amplification, and an input optical system for inputting signal light to a core layer of the planar optical waveguide. The input optical system includes: a collimating lens for converting output light from a signal light source into parallel light; an anamorphic prism for reducing the beam width in a first direction of output light from the collimating lens; and a cylindrical lens for c...