Moser, Christophe and Liu, Wenhai and Fainman, Yeshaiahu and Psaltis, Demetri (2003) Folded shift multiplexing. Optics Letters, 28 (11). pp. 899-901. ISSN 0146-9592. http://resolver.caltech.edu/CaltechAUTHORS:MOSol03
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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 0.5 µm has been achieved with a 1-mm-thick LiNbO3 crystal and 50 high-definition data pages are recorded with this method.
|Additional Information:||© 2003 Optical Society of America. Received December 5, 2002.|
|Subject Keywords:||multiplex holography; volume holographic gratings; optical data storage|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Lindsay Cleary|
|Deposited On:||08 Sep 2006|
|Last Modified:||26 Dec 2012 09:01|
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