Analysis of superresolution in magneto-optic data storage devices

Tom D. Milster; Craig H. Curtis

doi:10.1364/AO.31.006272

Analysis of superresolution in magneto-optic data storage devices

Tom D. Milster, Craig H. Curtis

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

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 language	English (US)
Pages (from-to)	6272-6279
Number of pages	8
Journal	Applied optics
Volume	31
Issue number	29
DOIs	https://doi.org/10.1364/AO.31.006272
State	Published - Oct 10 1992

Keywords

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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10.1364/AO.31.006272

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abstract = "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.",

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AU - Curtis, Craig H.

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AB - 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.

KW - Magneto-optics

KW - Optical data storage devices

KW - Optical transfer function

KW - Superresolution

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Analysis of superresolution in magneto-optic data storage devices

Abstract

Keywords

ASJC Scopus subject areas

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