Correlation algorithm to recover the phase of a test surface using phase-shifting interferometry

Authors :: Alejandro Cornejo-Rodriguez
Adriana Nava-Vega
Luis Salas
Esteban Luna
Source :: Optics express. 12(22)
Publication Year :: 2009
Abstract: A correlation algorithm to recover the phase in phase-shifting interferometry is presented. We make numerical simulations to test the proposed algorithm and apply it to real interferograms with satisfactory results.

Subjects :: Surface (mathematics)
Interferometry
Signal processing
Optics
Phase shifting interferometry
business.industry
Computer science
Adaptive-additive algorithm
Astrophysics::Instrumentation and Methods for Astrophysics
Phase (waves)
Correlation algorithm
business
Atomic and Molecular Physics, and Optics

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