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  • Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging/Information Photonics/Signal Recovery and Synthesis Topical Meetings on CD-ROM
  • OSA Technical Digest (CD) (Optica Publishing Group, 2007),
  • paper DTuD4
  • https://doi.org/10.1364/DH.2007.DTuD4

Two-wavelength phase-shifting low-coherence digital holography

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Abstract

We propose a novel interferometric method based on digital holography, low-coherence interferometry, phase-shifting technique, and two-wavelength interferometry. Low-coherence interferometry omits undesired photons derived from multiple scattering. Phase-shifting technique obtains the complex-amplitude distribution of an object from a few interference patterns. Two-wavelength interferometry yields the surface profile without phase unwrapping from noisy interference signals. We demonstrate topographic imaging of an object in a light scattering medium.

© 2007 Optical Society of America

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