semiconductor disk

semiconductor disk

[′sem·i·kən‚dək·tər ‚disk]
(computer science)
A large semiconductor memory that imitates a disk drive in that the operating system can read and write to it as though it were an ordinary disk, but at a much faster rate. Also known as nonrotating disk.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Dr Jennifer Hastie led the project to demonstrate the first tunable diamond Raman lasers, achieved by incorporating the Raman crystals into semiconductor disk lasers; a novel type of tunable laser extensively developed at the Institute of Photonics said that Raman lasers work by firing a pump light beam through a crystal, thus creating heat, and as that heat is generated the laser beam is converted to a different colour.
Infrared light injected into a microscopic semiconductor disk follows a similar course, circulating along the disk's edge for long periods with little diminution in intensity.

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