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Proceedings Paper

Bessel fringes modulation determination by directional spatial carrier phase shifting
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Paper Abstract

Time averaging technique applied to different interferometric methods is one of the most commonly used measurement technique in vibration testing. The information on amplitude of vibration is encoded in so called fringe envelope function described by the J0 Bessel function in case of harmonic motion. In the presented paper the author proposes novel solution for amplitude distribution evaluation. It is based on the analysis of the Bessel pattern modulation distribution. For modulation evaluation and Directional Spatial Carrier Phase Shifting (DSCPS) method are used. Conducted error analysis prove usefulness of the proposed approach.

Paper Details

Date Published: 21 June 2019
PDF: 10 pages
Proc. SPIE 11056, Optical Measurement Systems for Industrial Inspection XI, 1105603 (21 June 2019); doi: 10.1117/12.2526252
Show Author Affiliations
Adam Styk, Warsaw Univ. of Technology (Poland)
Helena Dziubecka, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 11056:
Optical Measurement Systems for Industrial Inspection XI
Peter Lehmann; Wolfgang Osten; Armando Albertazzi Gonçalves Jr., Editor(s)

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