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Conferences > ODS > 1991 > TuB > TuB4

Superresolution in a magneto-optical disk with an active mask

Atsushi Fukumoto, Shunji Yoshimura, Toshiki Udagawa, Katsuhisa Aratani, Masumi Ohta, and Masahiko Kaneko

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Abstract

In the conventional optical disk systems, the optical cut-off frequency is limited by the numerical aperture(NA) of the objective lens and the wavelength of the light source due to the diffraction.

© 1991 Optical Society of America

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