Title :
Influence of pit geometry on readout signals of optical data disc drives
Author_Institution :
Warner MM Europe, Aachen, Germany
Abstract :
To define the bandwidth of geometrical tolerances allowed in the mass production process of optical discs, a theory based on the Huygens principle is applied to disc substrates with trapezoidal pit shapes.
Keywords :
light diffraction; optical disc storage; Huygens principle; diffraction theory; geometrical tolerance bandwidth; optical data disc drives; pit geometry; readout signals; trapezoidal pit shapes;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921086