US Patent Issued to Harbin Institute of Technology on March 18 for "Micro-probe laser frequency modulation interferometric ranging method and system" (Chinese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,392, issued on March 18, was assigned to Harbin Institute of Technology (Harbin, China).

"Micro-probe laser frequency modulation interferometric ranging method and system" was invented by Yisi Dong (Harbin, China), Wenrui Luo (Harbin, China), Wenwen Li (Harbin, China), Chen Zhang (Harbin, China), Jinran Zhang (Harbin, China) and Pengcheng Hu (Harbin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A micro-probe laser frequency modulation interferometric ranging method and system, under the premise of not introducing an absolute laser rangefinder to introduce new uncertainties, continuously and slowly changes the modulated laser wavelength, res...