Optics Letters · 2010 · 15 citations · 8 references
PhotonicsEngineeringSpatial Resolution ImprovementOptical PropertiesFiber Optic SensingLaser-based SensorFiber OpticsDistributed SensingSpatial ResolutionFiber OpticOptical SensorSingle-fiber GridFiber-optic CommunicationOptical Networking
The spatial resolution of an optical-fiber-based Raman distributed temperature sensor is limited by the pulse width of the laser used. We discuss a methodology of increasing spatial resolution by using a single-fiber grid. Spatial resolution improvement of up to 10 times is demonstrated.
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