Abstract

Single-mode optical fibers with photoresist lenses open some new design options for read and write heads for optical disks. Possible advantages include the use of flying heads to eliminate the focus servo system, simplification of the tracking servo system, elimination of many discrete, precisely aligned optical components, and separation of light paths by the read/write function. Parallel write beams become feasible to increase data transfer rates. Properties of the photoresist lenses on single-mode fibers are reviewed, and the application to tracking and reading data on various optical disk types is considered.

© 1986 Optical Society of America

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