meaning of optic disk

1. magneto-optical disk storage> Plastic or glass disks coated with a compound often TbFeCo with special properties. The disk is read by bouncing a low-intensity laser off the disk. Originally the laser was infrared, but frequencies up to blue may be possible; the shorter the wavelength the higher the possible density. The polarisation of the reflected light depends on the polarity of the stored magnetic field. To write, a higher-intensity laser is used to heat the material up to its Curie point, allowing its magnetisation to be altered and "frozen" as it cools. Storage FAQ http://www. cis. ohio-state. edu/hypertext/faq/usenet/arch-stora


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magneto-optical disk | optic disk | optical disk |

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