Tilt servo using modal wavefront actuator

Hsiao-Wen Lee

doi:10.1117/12.997669

28 June 1999 Tilt servo using modal wavefront actuator

Hsiao-Wen Lee

Proceedings Volume 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999; 38641N (1999) https://doi.org/10.1117/12.997669
Event: Optical Data Storage, 1999, Kauai, HI, United States

Abstract

Correcting disk tilt aberrations have been studied extensively in recent years. One example is using LCD phase shift modulating devices. Another example is using a comatic lenses. The other example is combined tracking position and tilt sensor for actuator. Method 1 has the advantage ofless space, lower cost; but disadvantage of low wavefront resolution. Method 2 and 3 has the disadvantage of precise mechanical control.

Citation Download Citation

Hsiao-Wen Lee "Tilt servo using modal wavefront actuator", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 38641N (28 June 1999); https://doi.org/10.1117/12.997669

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