New technique of three-dimensional dynamic measurements based on multi-pulsed holographic interferometry

Virginie Linet; Xavier Bohineust

doi:10.1117/12.165446

10 December 1993 New technique of three-dimensional dynamic measurements based on multi-pulsed holographic interferometry

Virginie Linet, Xavier Bohineust

Author Affiliations +

Proceedings Volume 2003, Interferometry VI: Techniques and Analysis; (1993) https://doi.org/10.1117/12.165446
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Double pulse holographic interferometry (DPHI) ideally completes standard accelerometrical techniques used for dynamic analysis but has some limitations. We present in this paper the development of a new original method based on DPHI allowing the measurement of the 3-D displacement vectors field with multi-pulse recordings. The method is based on three illuminating beams and one viewing direction and multi-pulse recording is achieved by fast deflection of reference beams. Accuracy is discussed and validated in experimental dynamic conditions through the analysis of vibration modes of a sinusoidally excited cylinder.

Citation Download Citation

Virginie Linet and Xavier Bohineust "New technique of three-dimensional dynamic measurements based on multi-pulsed holographic interferometry", Proc. SPIE 2003, Interferometry VI: Techniques and Analysis, (10 December 1993); https://doi.org/10.1117/12.165446

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