laser pointer

laser pointer
A device that emits a highly concentrated beam of light to highlight items of interest at some distance

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  • laser pointer — laser .pointer n a small piece of equipment that produces a ↑laser beam, used by teachers and people who are giving talks in order to point at things on a map, board etc …   Dictionary of contemporary English

  • Laser pointer — A laser pointer is a portable, pen sized laser designed to be held in the hand, and most commonly used to project a point of light to highlight items of interest during a presentation. Most laser pointers have low enough power that the projected… …   Wikipedia

  • Laser-Pointer — Laserpointer als Schlüsselanhänger Schematischer Aufbau Der Laserpointer bzw. Laserzeiger ist ein Lichtzeiger insbesondere für Vorträge mit Projektion. Das Merkmal gegenüber anderen …   Deutsch Wikipedia

  • laser pointer — /ˈleɪzə pɔɪntə/ (say layzuh poyntuh) noun a pen shaped device which projects a point of light, used to direct the attention of an audience to material on a board, screen, etc …  

  • laser pointer — …   Useful english dictionary

  • pointer — point‧er [ˈpɔɪntə ǁ ər] noun [countable] 1. a useful piece of advice or information that helps you do or understand something: • He occasionally gets pointers on public speaking from media consultants. 2. something that shows how a situation is… …   Financial and business terms

  • Laser safety — A typical laser warning symbol. Laser safety is safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to… …   Wikipedia

  • Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

  • Laser applications — There are many scientific, military, medical and commercial laser applications which have been developed since the invention of the laser in the 1958. The coherency, high monochromaticity, and ability to reach extremely high powers are all… …   Wikipedia

  • Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …   Wikipedia

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