Dynamic Testing Of Optical Disk Profile
- 1 January 1983
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 382, 236-240
- https://doi.org/10.1117/12.970208
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.Keywords
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