US Patent Issued to NANJING UNIVERSITY on May 20 for "Distributed weak grating array sensing system and method with multiple demodulation modes" (Chinese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,597, issued on May 20, was assigned to NANJING UNIVERSITY (Nanjing, China).

"Distributed weak grating array sensing system and method with multiple demodulation modes" was invented by Feng Wang (Nanjing, China), Rui Hong (Nanjing, China), Xuping Zhang (Nanjing, China) and Yixin Zhang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A distributed weak grating array sensing system and method with multiple demodulation modes are provided for optical fiber sensing. The distributed weak grating array sensing method includes: amplitude modulating, by an acousto-optic modulator, a laser light to form a double-pulse light satisfying a preset r...