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Schematic diagram of a typical laser, showing the three major parts. A laser is constructed from three principal parts: An energy source (usually referred to as the pump or pump source), A gain medium or laser medium, and; Two or more mirrors that form an optical resonator.
The laser printer was invented at Xerox PARC in the 1970s. Laser printers were introduced for the office and then home markets in subsequent years by IBM, Canon, Xerox, Apple, Hewlett-Packard and many others. Over the decades, quality and speed have increased as prices have decreased, and the once cutting-edge printing devices are now ubiquitous.
Date/Time Thumbnail Dimensions User Comment; current: 10:55, 12 July 2011: 1,035 × 321 (65 KB): Alex-engraver: Correct input pumping light to Snell's law: 09:38, 13 June 2011
Schematic representation of Stereolithography: a light-emitting device a) A laser or DLP selectively illuminates the transparent bottom c) of a tank b) filled with a liquid photo-polymerizing resin. The solidified resin d) is progressively dragged up by a lifting platform e) An SLA produced part An SLA printed model of a circuit board with ...
Office black and white laser printers. LaserJet 400 printer; LaserJet 600 printer; LaserJet P2000 printer; LaserJet P3000 prin; Color Laser printers (As of November 2014)
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A schematic, or schematic diagram, is a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the key information the schematic is intended to convey, and may include oversimplified elements in order to make this essential meaning easier to grasp, as well as additional ...