In view of the current controversy relating to the optimum design of compact disks [1-3], we investigate the separation of co-phasal surfaces in electromagnetic waves in the neighborhood of the geometrical focus. The analysis indicates that the separation co-phasal surfaces of the electric field depends strongly on numerical aperture.

© 2004 Optical Society of America

PDF Article


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access OSA Member Subscription