Title :
Analysis of higher information density pregroove model by boundary element method
Author :
Ito, H. ; Kojima, T.
Author_Institution :
Recording & Imaging Sci. Labs., Kao Corp., Tochigi, Japan
Abstract :
Using the boundary element method, results of the push-pull ratio of differential output signals from an optical disc pregroove model by simulation are presented. The possibility of achieving higher information density by reducing the track pitch and the beam spot is demonstrated.
Keywords :
boundary-elements methods; optical disc storage; beam spot reduction; boundary element method; differential output signals; higher information density pregroove model; optical disc pregroove model; push-pull ratio; simulation; track pitch reduction;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19910949
