ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,108, issued on Aug. 26, was assigned to HANWEI ELECTRONICS GROUP Corp. (Zhengzhou, China).

"Long-path gas absorption cell optical system" was invented by Hongjun Ren (Henan, China), Haiyong Chen (Henan, China), Qingyong Yang (Henan, China), Guofeng Zheng (Henan, China), Zhigang Li (Henan, China), Chuanwei Wu (Henan, China) and Dong Li (Henan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A long-path gas absorption cell reflective optical system, which includes a first reflector (1) and a second reflector (2), the first reflector (1) and the second reflector (2) are set opposite and spaced apart, with the second reflector (2) having an optical...