Abstract
We have designed a dual-beam magneto-optical (MO) stor- age system to test the dynamic storage properties of MO disks. The characteristics of this dual-beam system are demonstrated. Magnetic field modulated direct overwrite, which is a promising technique for high- speed MO storage, is realized on TbFeCo MO disks with this dual-beam MO system. The effect of light intensity, magnetic field intensity, and linear velocity of the disk and the modulating frequency variation on carrier-to-noise ratio is investigated. © 1997 Society of Photo-Optical Instrumen- tation Engineers. (S0091-3286(97)03209-1)
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