Experimental extractions of particle position from inline holograms using single coefficient of Wigner–Ville analysis

Joewono Widjaja; Saowaros Dawprateep; Porntip Chuamchaitrakool

doi:10.1117/1.OE.56.7.074103

21 July 2017 Experimental extractions of particle position from inline holograms using single coefficient of Wigner–Ville analysis

Joewono Widjaja, Saowaros Dawprateep, Porntip Chuamchaitrakool

Author Affiliations +

Optical Engineering, Vol. 56, Issue 7, 074103 (July 2017). https://doi.org/10.1117/1.OE.56.7.074103

Abstract

Extractions of particle positions from inline holograms using a single coefficient of Wigner–Ville distribution (WVD) are experimentally verified. WVD analysis of holograms gives local variation of fringe frequency. Regardless of an axial position of particles, one of the WVD coefficients has the unique characteristics of having the lowest amplitude and being located on a line with a slope inversely proportional to the particle position. Experimental results obtained using two image sensors with different resolutions verify the feasibility of the present method.

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Joewono Widjaja, Saowaros Dawprateep, and Porntip Chuamchaitrakool "Experimental extractions of particle position from inline holograms using single coefficient of Wigner–Ville analysis," Optical Engineering 56(7), 074103 (21 July 2017). https://doi.org/10.1117/1.OE.56.7.074103

Received: 25 March 2017; Accepted: 26 June 2017; Published: 21 July 2017

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