Diffraction analysis of optical disk readout signal deterioration caused by mark-size fluctuation
- 1 December 1991
- proceedings article
- Published by SPIE-Intl Soc Optical Eng
- Vol. 1527, 315-322
- https://doi.org/10.1117/12.48661
Abstract
The author proposes a new noise power-spectrum estimation method for mark-dimension fluctuation in optical disks. Diffraction by marks was modeled using Fraunhofer diffraction theory, and mark-dimension fluctuations were taken into account through statistical averaging. The calculated and experimental results agreed well. Fluctuations in the mark edge position mainly contributed to noise.Keywords
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