US Patent Issued to NIPPON ELECTRIC GLASS on Sept. 23 for "Magnetic circuit, faraday rotator, and magneto-optic device" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,702, issued on Sept. 23, was assigned to NIPPON ELECTRIC GLASS Co. LTD. (Shiga, Japan).

"Magnetic circuit, faraday rotator, and magneto-optic device" was invented by Futoshi Suzuki (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a magnetic circuit which, with the use in an optical isolator, is less likely to cause the polarizer to be damaged even with higher laser output power. A magnetic circuit 1 includes first to third magnets 11 to 13 each provided with a through hole allowing light to pass through and is composed of the first to third magnets 11 to 13 arranged coaxially in this order in a front-to-rear direction, wherei...