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, Vol. 45, Issue 5, pp. 953-959 (2006)
http://dx.doi.org/10.1364/AO.45.000953
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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.
© 2006 Optical Society of America
OCIS Codes
(090.1760) Holography : Computer holography
(110.1650) Imaging systems : Coherence imaging
(200.4560) Optics in computing : Optical data processing
ToC Category:
Applications
History
Original Manuscript: February 7, 2005
Revised Manuscript: August 1, 2005
Manuscript Accepted: August 2, 2005
Virtual Issues
Vol. 1, Iss. 3 Virtual Journal for Biomedical Optics
Citation
Shingo Tamano, Yoshio Hayasaki, and Nobuo Nishida, "Phase-shifting digital holography with a low-coherence light source for reconstruction of a digital relief object hidden behind a light-scattering medium," Appl. Opt. 45, 953-959 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-5-953
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