Testing optical fiber link continuity using OTDR backscattering patterns

S Perron, M Leclerc… - US Patent 11,879,802, 2024 - Google Patents
There are provided methods and systems for testing the continuity of optical fiber links under
test and/or a fiber arrangement, polarity or mapping of optical fiber connections within optical …

Systems and methods for characterizing an optical fiber in a dense wavelength division multiplexing optical link

Z Jiang - US Patent 11,671,172, 2023 - Google Patents
US11671172B1 - Systems and methods for characterizing an optical fiber in a dense wavelength
division multiplexing optical link - Google Patents US11671172B1 - Systems and methods for …

Spectral averaging of OTDR traces

M Leclerc - US Patent 12,050,150, 2024 - Google Patents
There is provided a technique to reduce the Rayleigh coherence noise in OTDR
measurements using spectral averaging of OTDR traces while at least partly cancelling …

Measurement system

K Masuda, T Ueda, K Otsuka, ITO Tsuneari… - US Patent …, 2024 - Google Patents
A measurement system includes a measurement device including a light source, and a first
power meter, and one or a plurality of connection members each configured to optically …