Impact of phase aberrations caused by multilayer optical data storage in weakly inhomogeneous media
JOSA B, Vol. 26, Issue 2, pp. 308-317 (2009)
http://dx.doi.org/10.1364/JOSAB.26.000308
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Abstract
Various multilayer optical data storage methods have been proposed in which bits are written in an initially homogeneous material. To varying degrees, all of these methods will be constrained by phase aberrations that decrease the Strehl ratio as the number of layers and index perturbation of each bit are increased. Although the exact problem is theoretically and numerically intractable, statistical derivations of the impact are possible. These analytic expressions are derived and validated with simulations of low-capacity disks, and then are used to establish limits in the interesting high-capacity case. The resulting approximate expressions are shown to be remarkably simple and also potentially serious in limiting multilayer data storage capacities.
© 2009 Optical Society of America
OCIS Codes
(180.1790) Microscopy : Confocal microscopy
(210.2860) Optical data storage : Holographic and volume memories
(210.4590) Optical data storage : Optical disks
ToC Category:
Optical Data Storage
History
Original Manuscript: August 26, 2008
Revised Manuscript: October 27, 2008
Manuscript Accepted: November 20, 2008
Published: January 27, 2009
Citation
Robert R. McLeod, "Impact of phase aberrations caused by multilayer optical data storage in weakly inhomogeneous media," J. Opt. Soc. Am. B 26, 308-317 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-2-308
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