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Optical Engineering

Retrieving complex coherence from two-point intensity correlation using holographic principle
Author(s): Rakesh Kumar Singh; Raveendran Pillai Vasantha Kumari Vinu; Megharaj Sharma Anandraj Sharma
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Paper Abstract

A method to retrieve complex coherence of the speckle field from two-point intensity correlation is described and experimentally demonstrated. This is carried out by combining two-point intensity correlation and a holographic principle. Experimental results of the complex coherence function of the speckle fields are presented for two different sources at the scattering plane. For comparison purposes, complex coherence functions of the speckle fields are also analytically evaluated using the van Cittert-Zernike theorem and good agreement between experimental and analytical results confirms the accuracy of our method.

Paper Details

Date Published: 15 October 2014
PDF: 5 pages
Opt. Eng. 53(10) 104102 doi: 10.1117/1.OE.53.10.104102
Published in: Optical Engineering Volume 53, Issue 10
Show Author Affiliations
Rakesh Kumar Singh, Indian Institute of Space Science and Technology (IIST) (India)
Raveendran Pillai Vasantha Kumari Vinu, Indian Institute of Space Science and Technology (IIST) (India)
Megharaj Sharma Anandraj Sharma, Indian Institute of Space Science and Technology (IIST) (India)

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