Optical Servo Crosstalk

I. Prikryl

doi:10.1117/12.952768

19 May 1989 Optical Servo Crosstalk

I. Prikryl

Proceedings Volume 1078, Optical Data Storage Topical Meeting; (1989) https://doi.org/10.1117/12.952768
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

In the optical data storage technology the optical servo crosstalk represents an undesired phenomenon. The optical crosstalks between the tracking push-pull and focus error signals are analyzed for various focusing techniques. The conditions minimizing these crosstalks are drawn. It is also shown that a simple far field diffraction method can be used for the evaluation of the focus error signals which are detected in the Fresnel dif-fraction domain.

Citation Download Citation

I. Prikryl "Optical Servo Crosstalk", Proc. SPIE 1078, Optical Data Storage Topical Meeting, (19 May 1989); https://doi.org/10.1117/12.952768

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