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Proceedings Paper

Novel method for tracking in homogeneous volumetric media
Author(s): Timothy N. Miller; John Butz; Thomas D. Milster; Warren L. Bletscher; Edwin P. Walker; Sang-Ki Park; David Felix
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Paper Abstract

Volumetric media have great potential for meeting future optical data storage demands, but homogeneous media lack internal features for tracking. A novel method of tracking inside homogeneous media is described that uses external reference tracks attached to the media. Several possible configurations for implementing the "slave-servo" concept are described and compared. An optical design for the most promising configuration is presented. This desing utilizes a diffractive optical element for dispersion compensation. Modeling describes the limits of device performance and alignment. Early prototype results are presented.

Paper Details

Date Published: 16 September 2003
PDF: 10 pages
Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); doi: 10.1117/12.533072
Show Author Affiliations
Timothy N. Miller, Optical Sciences Ctr., Univ. of Arizona (United States)
John Butz, Optical Sciences Ctr., Univ. of Arizona (United States)
Thomas D. Milster, Optical Sciences Ctr., Univ. of Arizona (United States)
Warren L. Bletscher, Optical Sciences Ctr., Univ. of Arizona (United States)
Edwin P. Walker, Call/Recall Inc. (United States)
Sang-Ki Park, Optical Sciences Ctr., Univ. of Arizona (United States)
David Felix, Optical Sciences Ctr., Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 5069:
Optical Data Storage 2003
Michael O'Neill; Naoyasu Miyagawa, Editor(s)

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