Advances in liquid crystal tilt compensation

Sjoerd Stallinga; Joris J. Vrehen

doi:10.1117/12.453394

10 January 2002 Advances in liquid crystal tilt compensation

Sjoerd Stallinga, Joris J. Vrehen

Proceedings Volume 4342, Optical Data Storage 2001; (2002) https://doi.org/10.1117/12.453394
Event: Optical Data Storage, 2001, Santa Fe, NM, United States

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.

Citation Download Citation

Sjoerd Stallinga and Joris J. Vrehen "Advances in liquid crystal tilt compensation", Proc. SPIE 4342, Optical Data Storage 2001, (10 January 2002); https://doi.org/10.1117/12.453394

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