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Optica Publishing Group
  • Frontiers in Optics 2008/Laser Science XXIV/Plasmonics and Metamaterials/Optical Fabrication and Testing
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper JWD4
  • https://doi.org/10.1364/OFT.2008.JWD4

Modified Formulation of Phase Gradient for Noise-Immune Phase Retrieval in Phase-Shifting Interferometry

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Abstract

For retrieving phase information from interferograms in phase-shifting interferometry, the method of finding phase gradients is newly proposed, and it was confirmed to have the noise-immune performance superior to those of conventional methods.

© 2008 Optical Society of America

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