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.
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Objective: The primary goal of this fellowship, Entitled semiconductor disk lasers for efficient terahertz generation (select), Is to train a talented researcher through a research project focused on the development of high-performance laser sources based on semiconductor disk lasers and novel periodically poled ferroelectric and semiconductor crystals that can offer an access to new wavelengths not covered by available gain media, Particularly in the thz spectral region, Which are desired for thz spectroscopy, Biomedical imaging, And safety and security applications.
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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