Testing of PZT shifters for interferometric measurements

Joanna Schmit; Tadeusz Piatkowski

doi:10.1117/12.57157

1 August 1991 Testing of PZT shifters for interferometric measurements

Joanna Schmit, Tadeusz Piatkowski

Proceedings Volume 1391, Laser Technology III; (1991) https://doi.org/10.1117/12.57157
Event: Laser Technology III, 1990, Szczecin, Poland

Abstract

Nowadays PZT shifters are widely used for interferometric measurements by phase shifting methods. The required accuracy of single step is very high. There for the methods of measuring metrological features of PZT shifters are described specificly intensity methods in Michelson and Sagnac interferometers and Lissajoux figures method 1-D and 2-D Fourier transform method (FTM) in Fizeau interferometer. The 1-D FTM is found most convenient for real time calibration in experimental setup.

Citation Download Citation

Joanna Schmit and Tadeusz Piatkowski "Testing of PZT shifters for interferometric measurements", Proc. SPIE 1391, Laser Technology III, (1 August 1991); https://doi.org/10.1117/12.57157

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