US Patent Issued to TIANJIN UNIVERSITY on Nov. 3 for "2.8 micrometer and 3.5 micrometer dual-wavelength mid-infrared fiber laser" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,349, issued on Nov. 3, was assigned to TIANJIN UNIVERSITY (Tianjin, China).

"2.8 micrometer and 3.5 micrometer dual-wavelength mid-infrared fiber laser" was invented by Wei Shi (Tianjin, China), Lu Zhang (Tianjin, China), Shijie Fu (Tianjin, China), Quan Sheng (Tianjin, China), Junxiang Zhang (Tianjin, China) and Jianquan Yao (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a 2.8 micro metre and 3.5 micro metre dual-wavelength mid-infrared fiber laser, which employs "0.98 micro metre+1.15 micro metre" pumping scheme, uses a fiber combiner to combine two pump lights into the double cladding Er-doped fluor...