Phase-shifting digital holography with a low-coherence light source for reconstruction of a digital relief object hidden behind a light-scattering medium

Applied Optics
Shingo TamanoNobuo Nishida

Abstract

Hiding image data with a light-scattering medium is effective as a basic data protection technique. The hidden image data can be observed only by using a low-coherence interference technique and is thus protected from unauthorized access. Unlike an intensity-distributed object, a digital relief object has no intensity distribution, making it possible to hide its existence by using a dilute light-scattering medium. To reconstruct the digital relief object through the light-scattering medium, we developed phase-shifting digital holography with a low-coherence light source. The experimental performance, including the spatial resolution and phase error of the reconstructed image, is estimated.

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Citations

Nov 10, 2006·Journal of Biomedical Optics·Frank DuboisChristine Decaestecker
Mar 26, 2014·Optics Express·Martin Lošt'ákTomáš Slabý
Feb 13, 2016·Optics Letters·Shichao ChenYizheng Zhu
Oct 6, 2012·Optics Express·Quang Duc PhamYoshio Hayasaki
Apr 12, 2008·Applied Optics·M GrossE Absil
Oct 6, 2012·Optics Express·Nektarios KoukourakisMartin R Hofmann

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