ALEXANDRIA, Va., March 31 -- United States Patent no. 12,591,091, issued on March 31, was assigned to Linfiber Technology (Nantong) Co. Ltd. (Nantong, China).

"Anti-resonant hollow-core fiber having offset and fan-shaped cladding elements" was invented by Yingying Wang (Nantong, China), Shoufei Gao (Nantong, China) and Jiayi Chen (Nantong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an anti-resonant hollow-core fiber, including: an outer jacket tube, provided with an inner surface; and cladding elements, located in the outer jacket tube, and including a plurality of first cladding elements arranged around the inner surface, where any two adjacent first cladding elem...