US Patent Issued to Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO on Aug. 26 for "Method and system for determining a phase shift between components of variably amplified light" (Dutch Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,399,038, issued on Aug. 26, was assigned to Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO ('s-Gravenhage, Netherlands).

"Method and system for determining a phase shift between components of variably amplified light" was invented by Lun Kai Cheng (Krimpen aan den IJssel, Netherlands) and Edward Jacobus Johannes Doppenberg (Zandvoort, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "An interferometer suitable for Distributed Acoustic Sensing (DAS) is has two interferometer arms of different length, from which light is fed to an N-way optical coupler (N at least 2). In DAS, the light is backscattered light received ...