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Vibration analysis of membrane by time average in-line digital holographic interferometry

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Vibration analysis of membrane by time average in-line digital holographic interferometry

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Title: Vibration analysis of membrane by time average in-line digital holographic interferometry
Author: Singh, Vijay Raj; Anand, Asundi
Copyright year: 2006
Abstract: In this paper, in-line digital holography is combined with time average method and applied for vibration analysis of an aluminum membrane. The numerically reconstructed wave from time average holograms contains information of mode shape and mean deformation of the vibrating objects. At lower amplitudes of vibration only the deformation fringes are observed and as the amplitude is increases, the Bessel fringes representing the time average vibration amplitude also become visible. Experimental results for a 10mm size membrane are presented.
Subject: DRNTU::Science::Physics::Optics and light.
Type: Journal Article
Series/ Journal Title: Key engineering materials
School: School of Mechanical and Aerospace Engineering
Rights: © 2006 Trans Tech Publications Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Key Engineering Materials, Trans Tech Publications Ltd.  It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document.  The published version is available at: [DOI: http://dx.doi.org/10.4028/www.scientific.net/KEM.326-328.23].
Version: Accepted version

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