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Wikipedia: Light amplification by stimulated emission of radiation (LASER or laser) is a mechanism for emitting electromagnetic radiation, typically light or visible light, via the process of stimulated emission. The emitted laser light is (usually) a spatially coherent, narrow low-divergence beam, that can be manipulated with lenses. In laser technology, "coherent light" denotes a light source that produces (emits) light of in-step waves of identical frequenc, phase, and polarization.
![[Solar Cell Receives Amplitude Modulated Audio Signal On Laser Beam]](http://images.ookaboo.com/photo/s/3613375884_a51bc3b0d9_b_s.jpg "Solar Cell Receives Amplitude Modulated Audio Signal On Laser Beam")
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![[Discharge Tube For Helium-Neon Laser]](http://images.ookaboo.com/photo/s/3472348710_df7342d1b7_b_s.jpg "Discharge Tube For Helium-Neon Laser")
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 from biagio |
from 36306782@N03 |
![[Green Laser Interdiction System Lets Soldiers Warn Civilians Of Military Presence]](http://images.ookaboo.com/photo/s/6244200381_569a703537_o_s.jpg "Green Laser Interdiction System Lets Soldiers Warn Civilians Of Military Presence")
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![[Laser Light Used With Microscope]](http://images.ookaboo.com/photo/s/5492419519_d163a6fc33_o_s.jpg "Laser Light Used With Microscope")
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from peosoldier |
 from archeon |
![[Rifle-Mounted Laser Weapon Temporarily Blinds Approachers]](http://images.ookaboo.com/photo/s/6244204643_7817c5d033_o_s.jpg "Rifle-Mounted Laser Weapon Temporarily Blinds Approachers")
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![[Doctor Uses Laser To Perform Eye Surgery On Radio D.J.]](http://images.ookaboo.com/photo/s/4328193217_2b27a6f4a2_z_s.jpg "Doctor Uses Laser To Perform Eye Surgery On Radio D.J.")
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from peosoldier |
from focuslaservision |
![[Home-Built Laser Projector Under Test]](http://images.ookaboo.com/photo/s/4605614632_fa96e770d0_o_s.jpg "Home-Built Laser Projector Under Test")
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![[Laser Pointer Allows Infantryman To Direct Laser-Guided Missiles And Bombs]](http://images.ookaboo.com/photo/s/6244705848_6e31d21f47_o_s.jpg "Laser Pointer Allows Infantryman To Direct Laser-Guided Missiles And Bombs")
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from dlitz |
from peosoldier |
![[Red And Green Lasers On Optical Bench]](http://images.ookaboo.com/photo/s/5710223239_cf81a3c243_o_s.jpg "Red And Green Lasers On Optical Bench")
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![[U.S. Marine Plays Grown-Up Version Of Laser Tag with MILES-equipped Rifle]](http://images.ookaboo.com/photo/s/3346544254_b08d866413_o_s.jpg "U.S. Marine Plays Grown-Up Version Of Laser Tag with MILES-equipped Rifle")
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from usnavy |
from unc-cfc-usfk |
![[Laser Cutting Transforms Cardboard Box Into 3-d Landscape]](http://images.ookaboo.com/photo/s/5098424652_c79e3278a2_b_s.jpg "Laser Cutting Transforms Cardboard Box Into 3-d Landscape")
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![[Simple Setup For Laser Fluorescence Experiment]](http://images.ookaboo.com/photo/s/3399156793_efbc803c45_o_s.jpg "Simple Setup For Laser Fluorescence Experiment")
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 from pdinnen |
from yellowcloud |
![[Experimenter Uses Laser From DVD Writer To Engrave Wood]](http://images.ookaboo.com/photo/s/1244728357_c976da67f6_o_s.jpg "Experimenter Uses Laser From DVD Writer To Engrave Wood")
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![[Laser Communication Link Bridges Communication Network Across Street]](http://images.ookaboo.com/photo/s/6141740120_18d4963e12_o_s.jpg "Laser Communication Link Bridges Communication Network Across Street")
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from audin |
from n8kowald |
![[Laser beams (650nm, 532nm, 405nm)]](http://images.ookaboo.com/photo/s/Laser_beam_s.jpg "Laser beams (650nm, 532nm, 405nm)")
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![[Laser spots (650nm, 532nm, 405nm)]](http://images.ookaboo.com/photo/s/Laser_spot_s.jpg "Laser spots (650nm, 532nm, 405nm)")
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from Netweb01 |
from Netweb01 |
![[Sold State Laser Diode Removed From Portable CD Player]](http://images.ookaboo.com/photo/s/3075943045_3109702923_b_s.jpg "Sold State Laser Diode Removed From Portable CD Player")
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![[Man Works In Laser Lab With Protective Goggles]](http://images.ookaboo.com/photo/s/3639738130_670fbb07df_o_s.jpg "Man Works In Laser Lab With Protective Goggles")
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from razor512 |
from inl |
![[Homemade Laser Project Draws Pikachu On Door]](http://images.ookaboo.com/photo/s/2931412999_5be7881c7b_o_s.jpg "Homemade Laser Project Draws Pikachu On Door")
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![[Laser Projector Writes On Side Of Building]](http://images.ookaboo.com/photo/s/541254231_46efe4b6ce_o_s.jpg "Laser Projector Writes On Side Of Building")
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from micahdowty |
from silvery |
![[Lego-Compatible Building Blocks Manufactured By Laser Cutting]](http://images.ookaboo.com/photo/s/4250497823_392373d85e_o_s.jpg "Lego-Compatible Building Blocks Manufactured By Laser Cutting")
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![[Camera Looks Into Laser Beam And Sees Speckle Caused By Coherent Light Interference]](http://images.ookaboo.com/photo/s/5770147_aad5619c5f_z_s.jpg "Camera Looks Into Laser Beam And Sees Speckle Caused By Coherent Light Interference")
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from aplumb |
from mrebert |
![[Laser beams in fog, reflected on a car windshield]](http://images.ookaboo.com/photo/s/Laser_play_s.jpg "Laser beams in fog, reflected on a car windshield")
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![[NASA Uplinks Laser Beam to Lunar Reconnaissance Orbiter]](http://images.ookaboo.com/photo/s/5002627729_67beab24e7_o_s.jpg "NASA Uplinks Laser Beam to Lunar Reconnaissance Orbiter")
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from mightyohm |
from gsfc |
![[Navy Metrologists Take Measurements With Lasers On Optical Bench]](http://images.ookaboo.com/photo/s/5710786070_c1732f1bcd_o_s.jpg "Navy Metrologists Take Measurements With Lasers On Optical Bench")
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![[Cutting Laser Requires Liquid Cooling System]](http://images.ookaboo.com/photo/s/5263729599_7cd7140ea5_b_s.jpg "Cutting Laser Requires Liquid Cooling System")
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from usnavy |
from solexious |
![[Robot "Feels" 3-dimensional environment with two laser scanners]](http://images.ookaboo.com/photo/s/2609396771_ea9289f1eb_o_s.jpg "Robot \"Feels\" 3-dimensional environment with two laser scanners")
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![[Laser application in astronomical adaptive optics imaging.]](http://images.ookaboo.com/photo/s/Lying_down_on_the_VLT_platform_s.jpg "Laser application in astronomical adaptive optics imaging.")
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from sanchom |
from Jmencisom |
![[Gas Laser Tube]](http://images.ookaboo.com/photo/s/5788531166_196676da8d_o_s.jpg "Gas Laser Tube")
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from brantley |
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