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See all on WikipediaLaser pointer - Wikipedia
A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot. The small width of the beam and the low power of typical laser pointers … See more
Early laser pointers were helium–neon (HeNe) gas lasers and generated laser radiation at 633 nanometers (nm), usually designed to produce a laser beam with an output power under 1 … See more
Incorrect power rating
National Institute of Standards and Technology tests conducted on laser pointers labeled as Class IIIa or 3R in 2013 showed that about half of them emitted power at twice the Class limit, making their correct … See more• Media related to Laser pointers at Wikimedia Commons
• Laser Hazards in Navigable Airspace, FAA medical brochure for pilots
• Protecting Aircraft from Lasers - New Program Offers Rewards for Information FBI See more
Pointing
Laser pointers are often used in educational and business presentations and visual … See moreLaser pointer users should not point laser beams at aircraft, moving vehicles, or towards strangers. Since laser pointers became readily available, they have been misused, leading to … See more
• J.A. Hadler and M.L. Dowell, "Accurate, inexpensive testing of handheld lasers for safe use and operation." Meas.Sci.Technol. … See more
Wikipedia text under CC-BY-SA license What is a Laser Pointer? - Definition from Techopedia
Nov 18, 2015 · A laser pointer is a small pen-like handheld device that uses a power source (usually batteries) and diode laser to produce a coherent beam of monochromatic light. Laser …
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LASER POINTER Definition & Meaning | Dictionary.com
Laser pointer definition: a portable laser that emits monochromatic light over a long and narrow distance, used especially as a pointing device.. See examples of LASER POINTER …
Laser Pointers: 8 Things to Know Before you Buy
See more on biglasers.comLaser pointers are handheld devices that emit a collimated beam of laser light in a specific wavelength of light at a specific output power. In other words, a laser pointer is a laser you use in your hand which “points” or “shines” a laser beam. They come in all sorts of shapes and sizes, are available in a multitude of …- Estimated Reading Time: 6 mins
How Does a Laser Pointer Work - GadgetMates
May 12, 2023 · A laser pointer directs a narrow, focused beam of light to highlight areas of interest. The device houses a laser diode that emits light when electricity is applied. Laser …
Laser Pointers Selection Guide: Types, Features, …
Laser pointers (sometimes known as laser pens) are compact, handheld laser devices. They are typically used to highlight an object or point of interest by illuminating it with a bright spot of colored light.
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Laser Pointers – laser diodes, safety - RP Photonics
A laser pointer is a small (usually battery-powered) laser device designed for pointing at objects by illuminating them with a collimated visible laser beam.
Laser pointer - Simple English Wikipedia, the free encyclopedia
A laser pointer (or laser pen) is a small device that shines a low-powered laser light. The pointer is usually powered by a battery . It contains a laser diode that emits a very narrow laser …
laser pointer noun - Definition, pictures, pronunciation and usage ...
laser pointer. noun. /ˈleɪzə pɔɪntə (r)/. /ˈleɪzər pɔɪntər/. a device in the shape of a pen that sends out a line of light that is used to point to something when making a presentation. …
LASER POINTER definition and meaning | Collins English …
(leɪzəʳ ) countable noun B2. A laser is a narrow beam of concentrated light produced by a special machine. It is used for cutting very hard materials, and in many technical fields such …
How Lasers Work | HowStuffWorks
Jul 31, 2023 · Lasers are used in dental drills, eye surgery, tattoo removal, and (of course) laser pointers. Learn how different lasers generate such concentrated light.
Lasers: Understanding the Basics | Lasers | Photonics Handbook ...
Lasers: Understanding the Basics. Although lasers range from quantum-dot to football-field size and utilize materials from free electrons to solids, the underlying operating principles are …
Laser pointer - definition of Laser pointer by The Free Dictionary
Define Laser pointer. Laser pointer synonyms, Laser pointer pronunciation, Laser pointer translation, English dictionary definition of Laser pointer. n. 1. Light produced by a laser. …
How do laser pointers work? | Socratic
Oct 6, 2015 · Laser pointers generate light in a laser diode and then put the laser beam through one or more mirrors. Explanation: Laser light is produced when you bounce light back and …
The History of the Laser Pointer - Ethos3
Did you know that the word “laser” is an acronym for “light amplification by stimulated emission of radiation?” Consumer laser pointers can’t cut through steel or demolish a robot, …
LASER POINTER definition in American English - Collins Online …
LASER POINTER meaning | Definition, pronunciation, translations and examples in American English
Laser Pointer Safety – Environment, Health & Safety – UW–Madison
Laser pointers, considered a class 3A laser, are battery-powered handheld device that emits visible laser light that is created for variety of uses from pointing out objects or locations to …
What is laser pointer: Definition and 32 Discussions
May 11, 2023 · A laser pointer or laser pen is a small handheld device with a power source (usually a battery) and a laser diode emitting a very narrow coherent low-powered laser beam …
Laser Pointer - an overview | ScienceDirect Topics
A laser pointer provides a powerful alternative as a user interface for robot control. It is inexpensive, lightweight, points accurately, and is reliably recognized (Ishii et al., 2009 ).
About laser pointers and what you need to know about a class 3 …
Jul 20, 2021 · Lasers, like other industrial tools, are classified according to their type. Type is defined by the lasing medium used – solid state, gas, excimer, dye, or semiconductor. Laser …
Laser Pointer Safety - Laser Classes (1, 1M, 2, 2M, 3R, 3B, 4)
Lasers are classified based on their potential for causing injury — especially eye damage, since the eye is most susceptible to excess laser light. There are four main classes for visible-beam …
Laser-pointer Definition & Meaning | YourDictionary
Laser-pointer definition: A device that emits a highly <a>concentrated</a> beam of light to highlight items of interest at some distance.
Urban Dictionary: laser pointer
Aug 31, 2003 · Laser Pointer. 1) n. A device that amplifies photons to create a dot that can be seen on the other side of the room. 2) A device that can give you a fucking hilarious time if you …
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