Quadrature wavelength scanning interferometry

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Quadrature wavelength scanning interferometry

A novel method to double the measurement range of wavelength scanning interferometry (WSI) is described. In WSI the measured optical path difference (OPD) is affected by a sign ambiguity, i.e. from an interference signal it is not possible to distinguish whether the OPD is positive or negative. The...

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Bibliographic Details
Main Authors:	Moschetti, Giuseppe, Forbes, Alistair, Leach, Richard K., Jiang, Xiang, O’Connor, Daniel
Format:	Article
Published:	Optical Society of America 2016
Online Access:	https://eprints.nottingham.ac.uk/35132/

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