Application of speckle decorrelation method for small translation measurements

Pavel Horvath; Miroslav Hrabovsky; Petr Smid

doi:10.1117/12.545115

21 November 2003 Application of speckle decorrelation method for small translation measurements

Pavel Horvath, Miroslav Hrabovsky, Petr Smid

Proceedings Volume 5259, 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics; (2003) https://doi.org/10.1117/12.545115
Event: 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of contemporary Optics, 2002, Krzyzowa, Poland

Abstract

This paper analyzes the usage of the Yamaguchi's method, so-called the speckle pattern decorrelation, for determination of small static and dynamic object translations. At first the philosophy of the method is presented briefly. Then relationships between the cross correlation function and the small deformation tensor for the case of optically free space and image field are mentioned. Next, different experimental arrangements for the measurement of in-plane and normal object translations are analyzed. Possible measurement ranges and sensitivities for each arrangement are discussed, too. Finally, some results of our experiments are shown.

Citation Download Citation

Pavel Horvath, Miroslav Hrabovsky, and Petr Smid "Application of speckle decorrelation method for small translation measurements", Proc. SPIE 5259, 13th Polish-Czech-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, (21 November 2003); https://doi.org/10.1117/12.545115

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