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Full-field optical coherence tomography using a fibre imaging bundle

By Helen D. Ford and Ralph P. Tatam


An imaging fibre bundle is demonstrated for spatially-multiplexed probe beam delivery in OCT, with the aim of eliminating the mechanical scanning currently required at the probe tip in endoscopic systems. Each fibre in the bundle addresses a Fizeau interferometer formed between the bundle end and the sample, allowing acquisition of information across a plane with a single measurement. Depth scanning components are now contained within a processing interferometer external to the completely passive endoscope probe. The technique has been evaluated in our laboratory for non-biological samples. Images acquired using the bundle-based system are presented. The potential of the system is assessed, with reference to SNR performance and acquisition speed

Topics: OCT, coherence tomography, imaging bundles, coherent fibre bundles, Fizeau interferometer
Year: 2006
DOI identifier: 10.1117/12.645892
OAI identifier:
Provided by: Cranfield CERES

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