encyclopedia of medical concepts
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Lasers

More information in Books or onNLM PubMed
Definition: An optical source that emits photons in a coherent beam. Light Amplification by Stimulated Emission of Radiation (LASER) is brought about using devices that transform light of varying frequencies into a single intense, nearly nondivergent beam of monochromatic radiation. Lasers operate in the infrared, visible, ultraviolet, or X-ray regions of the spectrum.  general or unspecified; prefer specifics; laser injuries   
See Also Holography; Optical Tweezers
Examples Lasers, Dye; Lasers, Excimer; Lasers, Gas; Lasers, Semiconductor; Lasers, Solid-State 		Other names Masers; Q-Switched Laser; Q Switched Lasers; Pulsed Laser; Maser; Lasers, Q-Switched; Lasers, Pulsed; Lasers, Continuous Wave; Laser, Q-Switched; Laser, Pulsed; Laser, Continuous Wave; Continuous Wave Laser; Q-Switched Lasers; Pulsed Lasers; Continuous Wave Lasers; Laser
 
SubstanceCAS Registry & nameCategoriesSource
yttrium-aluminum-garnet  0   *Aluminum *Yttrium Lasers. Urology 2005 Jan;65(1) :191-5
alexandrite  0   *Beryllium Lasers. Urology 1998 Jan;51(1):33-8

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
Warning: the drugs or drug combinations referred to here may be similar or related, but are not be the same ones and may not have the same pharmacological action as other substances described on the same page or in the same row. Please refer to product monograph or to your doctor
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