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Proceedings Paper

Testing of PZT shifters for interferometric measurements
Author(s): Joanna Schmit; Tadeusz Piatkowski
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Paper 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.

Paper Details

Date Published: 1 August 1991
PDF: 5 pages
Proc. SPIE 1391, Laser Technology III, (1 August 1991); doi: 10.1117/12.57157
Show Author Affiliations
Joanna Schmit, Warsaw Univ. of Technology (Poland)
Tadeusz Piatkowski, Warsaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 1391:
Laser Technology III

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