Abstract
An important strategy to increase the density of data stored in optical disks consists of using superresolution filters (SF) to increase its resolving power. There are a number of alternative schemes to achieve superresolution in optical heads1. Usual problems associated with most design techniques are reduced efficiency and large sidelobes over a limited field of view. However, with careful considerations it is possible to obtain solutions acceptable for use in optical data storage systems.
© 1996 Optical Society of America
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