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Bandwidth-division in digitally enhanced optical frequency domain reflectometry

Riesen, Nicolas; Lam, Timothy T-Y; Chow, Jong H


We demonstrate for the first time the use of digital range-gating in OFDR to allow for orders of magnitude reduction in the required sampling rates. This allows for sensing over long lengths of fiber with fast sweeps of the optical source frequency, without requiring impractical sampling rates. The range-gating is achieved using digitally enhanced interferometry (DI), which isolates individual sections of OFDR signal bandwidth. The reductions in sampling rates permitted by the...[Show more]

CollectionsANU Research Publications
Date published: 2013-02-25
Type: Journal article
Source: Optics express
DOI: 10.1364/OE.21.004017


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