US Patent Issued to LEOSPHERE on April 22 for "Double-pass optical fibre amplifier and optical-device architectures" (French Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,215, issued on April 22, was assigned to LEOSPHERE (Paris).

"Double-pass optical fibre amplifier and optical-device architectures" was invented by Jean-Pierre Cariou (Bures-sur-Yvette, France), Regis Grasser (Olivet, France) and Vincent Pureur (Saint-Cheron, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device including an acousto-optic modulator (AOM), a laser, an upstream optical fibre extending between the laser and the AOM, a downstream optical fibre located downstream of the AOM and a reflector connected to the fibre downstream of the AOM. The optical device including the upstream fibre is a polarisation-maintaining optical fi...