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Optics Letters

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  • Vol. 28, Iss. 11 — Jun. 1, 2003
  • pp: 899–901

Folded shift multiplexing

Christophe Moser, Wenhai Liu, Yeshaiahu Fainman, and Demetri Psaltis  »View Author Affiliations


Optics Letters, Vol. 28, Issue 11, pp. 899-901 (2003)
http://dx.doi.org/10.1364/OL.28.000899


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Abstract

Shift multiplexing is a holographic recording method that uses a spherical reference wave. We extend the principle to a thin slab of holographic material that acts as a waveguide. Total internal reflection folds the reference spherical beam in one dimension. We demonstrate that the shift selectivity with the folded spherical beam is independent of the slab thickness but depends instead on the numerical aperture of the coupled spherical wave. A shift selectivity of 0.5μm has been achieved with a 1-mm-thick LiNbO3 crystal and 50 high-definition data pages are recorded with this method.

© 2003 Optical Society of America

OCIS Codes
(090.0090) Holography : Holography
(090.4220) Holography : Multiplex holography
(090.7330) Holography : Volume gratings
(210.0210) Optical data storage : Optical data storage

Citation
Christophe Moser, Wenhai Liu, Yeshaiahu Fainman, and Demetri Psaltis, "Folded shift multiplexing," Opt. Lett. 28, 899-901 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-11-899


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