Delinking of spurious translations in HI using speckle correlation technique

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Published under licence by IOP Publishing Ltd
, , Citation A K Aggarwal and Chandra Shakher 1982 J. Opt. 13 325 DOI 10.1088/0150-536X/13/6/001

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1 Holography Lab., Central Sci. Instruments Organisation, Chandigarh, India

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Abstract

Presents a novel method to detect and delink spurious translation which may occur while doing stress analysis using hologram interferometry. The method is based on the fact that the Fourier transform of the transmittance function of the hologram gives speckle correlation fringes. The sensitivity and limitations of the method are also highlighted.

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