US Patent Issued to Fujian Hitronics Technologies on Sept. 9 for "High extinction-ratio optical rotator" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,370, issued on Sept. 9, was assigned to Fujian Hitronics Technologies Inc. (Fuzhou, China).

"High extinction-ratio optical rotator" was invented by Denglian Lu (Fuzhou, China), Xingduan Huang (Fuzhou, China), Shi Chen (Fuzhou, China), Guanglei Ding (Fuzhou, China) and Shaofeng Zhang (Fuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high extinction-ratio rotator includes a collimator that can collimate a signal light from an optical fiber, a pair of polarizing splitting prisms that include a first birefringence crystal wedge and a second birefringent crystal wedge, that can separate two orthogonal polarization components of the signal ...