Interferogram intensity modulation calculations using temporal phase shifting: error analysis

Krzysztof Patorski; Adam R. Styk

doi:10.1117/1.2338595

1 August 2006 Interferogram intensity modulation calculations using temporal phase shifting: error analysis

Krzysztof Patorski, Adam R. Styk

Author Affiliations +

Optical Engineering, Vol. 45, Issue 8, 085602 (August 2006). https://doi.org/10.1117/1.2338595

Abstract

The phase shifting method is an effective tool to determine the intensity modulation distribution of a two-beam interferogram. We present numerical studies of the influence of two experimental errors on the results obtained using temporal phase stepping, i.e., the phase step miscalibration and average intensity changes between the component interferograms. Experimental studies of vibration mode patterns by time-average interferometry provide excellent verification of numerical findings. Comparative analysis of interferogram contrast and intensity modulation determination is included.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Krzysztof Patorski and Adam R. Styk "Interferogram intensity modulation calculations using temporal phase shifting: error analysis," Optical Engineering 45(8), 085602 (1 August 2006). https://doi.org/10.1117/1.2338595

Published: 1 August 2006

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