Ring-lens focusing and push-pull tracking scheme for optical disk systems

James J. Zambuto, Ronald E. Gerber, Kevin J. Erwin, Masud Mansuripur

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The study presents a comparison of the ring-lens and astigmatic methods of generating focus-error and track-error signals for optical disk drives. It was found out that the ring-lens scheme produces a substantially steeper focus-error signal (FES) curve than the astigmat is tolerant of small errors in detector positioning and alignment.

Original languageEnglish (US)
Pages (from-to)7987-7994
Number of pages8
JournalApplied Optics
Volume33
Issue number34
StatePublished - Dec 1 1994

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error signals
optical disks
Lenses
lenses
rings
positioning
alignment
detectors
curves
Detectors

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Zambuto, J. J., Gerber, R. E., Erwin, K. J., & Mansuripur, M. (1994). Ring-lens focusing and push-pull tracking scheme for optical disk systems. Applied Optics, 33(34), 7987-7994.

Ring-lens focusing and push-pull tracking scheme for optical disk systems. / Zambuto, James J.; Gerber, Ronald E.; Erwin, Kevin J.; Mansuripur, Masud.

In: Applied Optics, Vol. 33, No. 34, 01.12.1994, p. 7987-7994.

Research output: Contribution to journalArticle

Zambuto, JJ, Gerber, RE, Erwin, KJ & Mansuripur, M 1994, 'Ring-lens focusing and push-pull tracking scheme for optical disk systems', Applied Optics, vol. 33, no. 34, pp. 7987-7994.
Zambuto, James J. ; Gerber, Ronald E. ; Erwin, Kevin J. ; Mansuripur, Masud. / Ring-lens focusing and push-pull tracking scheme for optical disk systems. In: Applied Optics. 1994 ; Vol. 33, No. 34. pp. 7987-7994.
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