White light dispersion measurements by one- and two-dimensional spectral interference

White light dispersion measurements by and two-dimensional spectral interference are shown. One-dimensional white light spectral interference measurements allow accurate characterization of dispersion using weak optical fields. Two-dimensional spectral interference allows for real-time measurements since no post-processing is needed, and therefore can be used in situations where the optical properties of the elements under test vary in time. We demonstrate the applicability of the two methods for characterizing dispersive elements such as optical glasses and dielectric coatings.

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