1 January 1983 Dynamic Testing Of Optical Disk Profile
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Proceedings Volume 0382, Optical Data Storage; (1983); doi: 10.1117/12.970208
Event: Optical Data Storage, 1983, Incline Village, United States
Abstract
It is shown that focus error signal spectrum, measured while disk is spinning, represents Fourier transform of the disk profile modified by the loop gain.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Julian Lewkowicz, Don Cohen, "Dynamic Testing Of Optical Disk Profile", Proc. SPIE 0382, Optical Data Storage, (1 January 1983); doi: 10.1117/12.970208; https://doi.org/10.1117/12.970208
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KEYWORDS
Optical discs

Optical testing

Amplifiers

Servomechanisms

Fourier transforms

Manufacturing

Process control

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