Phase-measurement interferometry: beware these errors

Katherine Creath

doi:10.1117/12.135307

1 January 1992 Phase-measurement interferometry: beware these errors

Katherine Creath

Proceedings Volume 1553, Laser Interferometry IV: Computer-Aided Interferometry; (1992) https://doi.org/10.1117/12.135307
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

Phase-measurement interferometry (PMI) techniques enable quantitative measurements to be performed in optical testing, holographic interferometry, and speckle metrology. This paper will present results of error analyses of the most common errors in phase-measurement techniques. These errors include miscalibrated and nonlinear phase shifters, detector nonlinearities, detection quantization, vibration and air turbulence, and frequency mixing. Simulations providing the magnitude and form of these errors are shown for a number of different phase-measurement algorithms.

Citation Download Citation

Katherine Creath "Phase-measurement interferometry: beware these errors", Proc. SPIE 1553, Laser Interferometry IV: Computer-Aided Interferometry, (1 January 1992); https://doi.org/10.1117/12.135307

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