Abstract
Optical fibre dispersion compensation,[1] and distributed fibre sensors,[2] make use of long fibre gratings. Their reflectivity and lime delay are usually characterised as a function of wavelength using an expensive tunable laser.[3],[4] We have recently achieved similar results with a new low-cost low-coherence reflectometry technique, which is related to earlier techniques for optical fibre characterisation.[5]
© 1996 IEEE
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