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Proceedings Paper

Optical feasibility study on a 4-layer cover-incident near-field recording system
Author(s): J. M. A. van den Eerenbeemd; F. Zijp; S. Stallinga
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Paper Abstract

We present a study on the feasibility of extending our current experimental cover-incident near-field recording system to a 4-layer system promising 500 GB storage capacity on a single sided 12 cm disc. We calculated the electromagnetic field inside a 4-layer disc of which the design was optimized to have a minimum in the irradiance near recording layers other than the one that the light is focused on. Furthermore an objective lens and compensation device were designed to accommodate writing and reading from all four layers.

Paper Details

Date Published: 22 June 2006
PDF: 10 pages
Proc. SPIE 6282, Optical Data Storage 2006, 62820Q (22 June 2006); doi: 10.1117/12.685216
Show Author Affiliations
J. M. A. van den Eerenbeemd, Philips Research Labs. (Netherlands)
F. Zijp, Philips Research Labs. (Netherlands)
S. Stallinga, Philips Research Labs. (Netherlands)


Published in SPIE Proceedings Vol. 6282:
Optical Data Storage 2006
Ryuichi Katayama; Tuviah E. Schlesinger, Editor(s)

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