Characterization of a novel focusing/tracking technique with increased feedthrough immunity for optical-disk applications: the double-astigmatic method

Bruce E. Bernacki, Keith Bates, Masud Mansuripur, Delbert Hansen, Daniel Cisneros

Research output: Contribution to journalArticle

Abstract

A presentation is given of a novel focusing tracking technique with increased feedthrough immunity applied to optical disks. The double-astigmatic method is discussed. A description is given of the system model and of the single-astigmatic method. The double-astigmatic method and plots of intensity of the detector plane for the beam centered on the land when 45 degrees astigmatism is presented are given.

Original languageEnglish (US)
Pages (from-to)5789-5796
Number of pages8
JournalJournal of the Optical Society of America B: Optical Physics
Volume10
Issue number1
StatePublished - Jan 1993

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astigmatism
optical disks
immunity
plots
detectors

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Characterization of a novel focusing/tracking technique with increased feedthrough immunity for optical-disk applications : the double-astigmatic method. / Bernacki, Bruce E.; Bates, Keith; Mansuripur, Masud; Hansen, Delbert; Cisneros, Daniel.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 10, No. 1, 01.1993, p. 5789-5796.

Research output: Contribution to journalArticle

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