Distributed Characterization of Low-loss Hollow Core Fibers using EDFA-assisted Low-cost OTDR instrument
Xuhao Wei, Bo Shi, David J. Richardson, Francesco Poletti, Radan Slavı́k
Abstract
We use a low-cost commercially-available Optical Time Domain Reflectometer (OTDR). Sensitivity is boosted by 28 dB using two EDFAs, enabling characterization with spatial resolution of 1.5 m, which is 10 times better than previously reported.
Topics & Concepts
Optical time-domain reflectometerCharacterization (materials science)Optical amplifierCore (optical fiber)Optical fiberImage resolutionOpticsMaterials scienceComputer scienceFiber optic sensorFiber optic splitterTelecommunicationsPhysicsLaserAdvanced Fiber Optic SensorsOptical Network TechnologiesPhotonic Crystal and Fiber Optics