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Proceedings Paper

Advances in liquid crystal tilt compensation
Author(s): Sjoerd Stallinga; Joris J. Vrehen
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Paper Abstract

Coma generating Liquid Crystal cells can compensate for the coma arising form disc tilt. The segmentation of the ITO- layer determines the effectiveness of this compensation. Different segmentations based on a minimum overall RMS wavefront aberration are described and tested. The tilt window for rewriteable DVD conditions is increased from +/- 0.6 deg to +/- 1.6 deg, and the decrease in the modulation width of the high-frequency eye pattern with tilt is reduced.

Paper Details

Date Published: 10 January 2002
PDF: 9 pages
Proc. SPIE 4342, Optical Data Storage 2001, (10 January 2002); doi: 10.1117/12.453394
Show Author Affiliations
Sjoerd Stallinga, Philips Research Labs. (Netherlands)
Joris J. Vrehen, Philips Optical Storage (Netherlands)


Published in SPIE Proceedings Vol. 4342:
Optical Data Storage 2001

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