Dynamic speckle multiplexing scheme in volume holographic data storage and its realization
Optics Express, Vol. 11, Issue 4, pp. 366-370 (2003)
http://dx.doi.org/10.1364/OE.11.000366
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Abstract
Dynamic speckle multiplexing scheme in volume holographic data storage is proposed, since it offers a novel multiplexing geometry, and could be combined with other schemes to make the full use of the dynamic ranges. In this scheme, a random diffuser is added in the original reference path of the classical 90° setup. In this paper, we analyzed the propagation of the speckle field in the holographic system and established the related theoretical model based on the dynamic speckle auto-correlation function and diffraction theory. We successfully realized the dynamic speckle multiplexing in our experimental system and reached a storage density of 4.6 Gigapixels/cm3 based on the DPL laser source.
© 2003 Optical Society of America
OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(210.2860) Optical data storage : Holographic and volume memories
ToC Category:
Research Papers
History
Original Manuscript: January 21, 2003
Revised Manuscript: February 16, 2003
Published: February 24, 2003
Citation
Qingsheng He, Jinnan Wang, Jiangang Wang, Minxian Woo, and Guofan Jin, "Dynamic speckle multiplexing scheme in volume holographic data storage and its realization," Opt. Express 11, 366-370 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-4-366
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