Magnetic field modulated direct overwrite with pulsed laser irradiation for TbFeCo magneto-optical disks

Rong Wang; Jianping Fan; Xishan Li; Fuxi Gan

doi:10.1117/1.601495

1 September 1997 Magnetic field modulated direct overwrite with pulsed laser irradiation for TbFeCo magneto-optical disks

Rong Wang, Jianping Fan, Xishan Li, Fuxi Gan

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Optical Engineering, Vol. 36, Issue 9, (September 1997). https://doi.org/10.1117/1.601495

We have designed a dual-beam magneto-optical (MO) storage 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 highspeed 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.

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Rong Wang, Jianping Fan, Xishan Li, and Fuxi Gan "Magnetic field modulated direct overwrite with pulsed laser irradiation for TbFeCo magneto-optical disks," Optical Engineering 36(9), (1 September 1997). https://doi.org/10.1117/1.601495

Published: 1 September 1997

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