Analysis of superresolution in magneto-optic data storage devices

Tom D. Milster, Craig H. Curtis

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


A mathematical framework is derived for transfer-function analysis of magneto-optic data storage devices. The characteristics of the magneto-optic medium define what portions of the optical system transfer function are important. Several ways to improve the transfer function are analyzed, and several optical systems are compared in respect to relative contrast level versus frequency. Estimates of edge responses and two-point resolution are compared. The system that exhibits the best edge and two-point resolution is a self-masking medium. However, shading bands in the collection optics show excellent response.

Original languageEnglish (US)
Pages (from-to)6272-6279
Number of pages8
JournalApplied optics
Issue number29
StatePublished - Oct 10 1992


  • Magneto-optics
  • Optical data storage devices
  • Optical transfer function
  • Superresolution

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering


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