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- 19:33, 29 September 2021 diff hist +5,418 N Beam-Target Interactions Created page with "You've managed to direct the fearsome energies of your death ray beam onto your foe. Great! So now you have an intense irradiated spot on your target. What happens next? T..."
- 15:50, 29 September 2021 diff hist −32 Adaptive Optics
- 15:49, 29 September 2021 diff hist +34 Adaptive Optics
- 12:50, 29 September 2021 diff hist +199 Attenuation
- 12:42, 29 September 2021 diff hist −5 Diffraction
- 12:39, 29 September 2021 diff hist 0 m Diffraction
- 12:37, 29 September 2021 diff hist +16 Adaptive Optics
- 08:48, 29 September 2021 diff hist +44 Atmospheric Hole Burning
- 08:46, 29 September 2021 diff hist +14 Atmospheric Hole Burning
- 08:45, 29 September 2021 diff hist +166 Atmospheric Hole Burning
- 08:41, 29 September 2021 diff hist +3,514 N Atmospheric Hole Burning Created page with "We previously said that frequencies higher than ultraviolet-C - this would be vacuum ultraviolet, x-rays, and gamma rays - can’t get through air. This is mostly true, but t..."
- 08:37, 29 September 2021 diff hist +33 N Category:Lasers Created page with "Pages relating to laser weaponry."
- 08:36, 29 September 2021 diff hist +573 Dielectric Breakdown
- 08:31, 29 September 2021 diff hist +3,901 N Filamentation Created page with "A peculiar effect happens in air when laser pulses reach crazy-high intensities. The pulses start to get focused inward by the effect of the light on the air itself. The las..."
- 08:20, 29 September 2021 diff hist +21 Two-Photon Absorption
- 08:19, 29 September 2021 diff hist +21 Thermal Blooming
- 08:19, 29 September 2021 diff hist +21 Stimulated Scattering
- 08:18, 29 September 2021 diff hist +21 Diffraction
- 08:18, 29 September 2021 diff hist +21 Dielectric Breakdown
- 08:10, 29 September 2021 diff hist +21 Attenuation
- 08:09, 29 September 2021 diff hist +21 Adaptive Optics
- 22:09, 28 September 2021 diff hist +3,926 N Dielectric Breakdown Created page with "An electron is happily mining its own business floating freely around in the air when suddenly a high power laser beam comes by. How rude! The electric field of the laser be..."
- 21:50, 28 September 2021 diff hist +4,018 N Stimulated Scattering Created page with "What happens when your laser turns the air into a laser? You get stimulated scattering, and it can be a big problem for some kinds of beams. There is a physical phenomenon c..."
- 20:58, 28 September 2021 diff hist +2,675 N Two-Photon Absorption Created page with "It takes about 6.2 eV of energy to ionize an air molecule. So any laser beam that has an energy-per-photon of 6.2 eV or more will almost immediately be absorbed by air. This..."
- 20:44, 28 September 2021 diff hist +2,369 N Adaptive Optics Created page with "thumb|Adaptive optics correcting distorted light waves. The air is never still. Turbulence in the air makes bubbles of changing density...."
- 20:38, 28 September 2021 diff hist +135 N File:Adaptive optics correct.png Diagram demonstrating the use of a deformable mirror to correct for wavefront errors. Author: Bob Tubbs (public domain) current
- 20:34, 28 September 2021 diff hist +230 N File:Adaptive optics gas giant.png The improvement of resolution for imaging astronomical objects with (left) and without (right) adaptive optics. From P. Wizinowich et al., Publications of the Astronomical Society of the Pacific, 112 : 315-319, 2000 current
- 19:39, 28 September 2021 diff hist +211 Attenuation
- 19:37, 28 September 2021 diff hist +4 Thermal Blooming
- 19:35, 28 September 2021 diff hist +287 Thermal Blooming
- 19:28, 28 September 2021 diff hist +118 m Thermal Blooming
- 19:22, 28 September 2021 diff hist +402 Thermal Blooming
- 19:22, 28 September 2021 diff hist +349 N File:Thermal blooming in wind.png Bending of a laser beam from an unperturbed circular shape (dashed circle) into a crescent shape due to thermal blooming in wind (Frederick Gebhardt, “Twenty-five years of thermal blooming: an overview”, Proc. SPIE 1221, Propagation of High-Energy Laser Beams Through the Earth’s Atmosphere, (1 May 1990); doi: 10.1117/12.18326). current
- 19:17, 28 September 2021 diff hist +3,277 Thermal Blooming
- 18:59, 28 September 2021 diff hist +4,007 N Thermal Blooming Created page with "A high powered laser going through the air will cause the air to heat up. If the laser beam lasts longer than a small fraction of a second, the hot air will expand and become..."
- 18:00, 28 September 2021 diff hist +3 m Attenuation
- 17:53, 28 September 2021 diff hist +133 Attenuation
- 16:15, 28 September 2021 diff hist +321 Attenuation
- 16:10, 28 September 2021 diff hist +255 Attenuation
- 16:05, 28 September 2021 diff hist +16 Attenuation
- 16:04, 28 September 2021 diff hist +260 Attenuation
- 15:56, 28 September 2021 diff hist 0 m Attenuation
- 15:55, 28 September 2021 diff hist +182 Attenuation
- 15:48, 28 September 2021 diff hist +23 File:Atmosphere absorption length LW IR.png current
- 15:47, 28 September 2021 diff hist +23 File:Atmosphere absorption length MW IR.png current
- 15:47, 28 September 2021 diff hist +23 File:Atmosphere absorption length near SW IR.png current
- 15:47, 28 September 2021 diff hist +23 File:Atmosphere absorption length vis near vis.png current
- 15:45, 28 September 2021 diff hist +1,866 Attenuation
- 15:20, 28 September 2021 diff hist +279 Attenuation
- 15:05, 28 September 2021 diff hist +619 Attenuation
- 14:57, 28 September 2021 diff hist +103 N File:Atmosphere absorption length LW IR.png Absorption length of clean sea-level air in the long-wave infrared. Author: Luke Campbell
- 14:56, 28 September 2021 diff hist +102 N File:Atmosphere absorption length MW IR.png Absorption length of clean sea level air in the mid-wave infrared. Author: Luke Campbell
- 14:55, 28 September 2021 diff hist +113 N File:Atmosphere absorption length near SW IR.png Absorption length of clean sea-level air in the near and short-wave infrared. Author: Luke Campbell
- 14:54, 28 September 2021 diff hist +147 N File:Atmosphere absorption length vis near vis.png Absorption length of clean sea-level air in the visible and near-visible parts of the electromagnetic spectrum. Author: Luke Campbell
- 14:48, 28 September 2021 diff hist +453 Attenuation
- 12:35, 28 September 2021 diff hist +119 N File:Starfire optical range telescope.png Starfire Optical Range, Kirtland Air Force Base, Albuquerque, New Mexico. U.S. Air Force. Public domain current
- 12:33, 28 September 2021 diff hist +102 Attenuation
- 11:36, 28 September 2021 diff hist +40 Diffraction
- 09:34, 28 September 2021 diff hist +14 Attenuation
- 09:33, 28 September 2021 diff hist +4,596 N Attenuation Created page with "A beam of radiant energy going through the air will have some of that energy <i>absorbed</i>, or removed from the beam by making the radiation no longer exist, and some of it..."
- 08:41, 28 September 2021 diff hist −93 Diffraction
- 08:40, 28 September 2021 diff hist +161 N File:Laser diffraction pattern far field thin obstruction.jpg The diffraction pattern of a laser beam around a thin horizontal obstruction, showing the resulting vertical streak of light. Author: Luke Campbell current
- 08:39, 28 September 2021 diff hist +118 N File:Laser diffraction aperture thin obstruction.jpg The beam profile of a laser beam after encountering a thin horizontal obstruction. Author: Luke Campbell current
- 08:38, 28 September 2021 diff hist +790 Diffraction
- 08:32, 28 September 2021 diff hist +130 N File:Laser diffraction pattern far field uniform.jpg Diffraction pattern of a laser beam in the far field through a uniformly illuminated aperture. Author: Luke Campbell current
- 08:28, 28 September 2021 diff hist +105 N File:Laser diffraction aperture uniform.jpg Laser beam profile through a uniformly illuminated circular aperture. Author: Luke Campbell current
- 08:26, 28 September 2021 diff hist +463 Diffraction
- 07:56, 28 September 2021 diff hist 0 Diffraction
- 07:54, 28 September 2021 diff hist +168 N File:Wave Diffraction 4Lambda Slit.png Author: Dicklyon at English Wikipedia (public domain). Numerical simulation in matlab. Approximate diffraction pattern of a single 4-wavelength-wide slit. current
- 15:25, 27 September 2021 diff hist 0 Diffraction
- 15:24, 27 September 2021 diff hist +158 Diffraction
- 15:22, 27 September 2021 diff hist +24 Diffraction
- 15:20, 27 September 2021 diff hist +13 Diffraction
- 15:19, 27 September 2021 diff hist +289 Diffraction
- 15:08, 27 September 2021 diff hist +7 Diffraction
- 15:07, 27 September 2021 diff hist +6 Diffraction
- 15:07, 27 September 2021 diff hist +33 Diffraction
- 15:05, 27 September 2021 diff hist +6 Diffraction
- 14:52, 27 September 2021 diff hist +84 Diffraction
- 14:52, 27 September 2021 diff hist +1 Diffraction
- 14:51, 27 September 2021 diff hist 0 Diffraction
- 14:51, 27 September 2021 diff hist +1 Diffraction
- 14:50, 27 September 2021 diff hist 0 Diffraction
- 14:49, 27 September 2021 diff hist +36 Diffraction
- 14:48, 27 September 2021 diff hist 0 N File:Diffraction limited beam approximation near focus.png current
- 14:46, 27 September 2021 diff hist +100 Diffraction
- 14:23, 27 September 2021 diff hist +87 Diffraction
- 14:17, 27 September 2021 diff hist +145 Diffraction
- 14:14, 27 September 2021 diff hist +158 Diffraction
- 14:11, 27 September 2021 diff hist +158 Diffraction
- 14:07, 27 September 2021 diff hist −1 Diffraction
- 14:06, 27 September 2021 diff hist +875 Diffraction
- 14:04, 27 September 2021 diff hist +18 Diffraction
- 14:03, 27 September 2021 diff hist +667 Diffraction
- 13:57, 27 September 2021 diff hist +327 Diffraction
- 13:55, 27 September 2021 diff hist +1,314 Diffraction
- 13:53, 27 September 2021 diff hist +86 Diffraction
- 13:50, 27 September 2021 diff hist +1,022 Diffraction
- 13:42, 27 September 2021 diff hist +612 Diffraction
- 13:41, 27 September 2021 diff hist +879 N Diffraction Diffraction is a fundamental physical phenomena that makes light spread out, even if it is initially going in a straight line.