User contributions for Lwcamp

29 September 2021

• 11:3711:37, 29 September 2021 diff hist +16‎ Adaptive Optics ‎No edit summary
• 07:4807:48, 29 September 2021 diff hist +44‎ Atmospheric Hole Burning ‎No edit summary
• 07:4607:46, 29 September 2021 diff hist +14‎ Atmospheric Hole Burning ‎No edit summary
• 07:4507:45, 29 September 2021 diff hist +166‎ Atmospheric Hole Burning ‎No edit summary
• 07:4107:41, 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..."
• 07:3707:37, 29 September 2021 diff hist +33‎ N Category:Lasers ‎ Created page with "Pages relating to laser weaponry."
• 07:3607:36, 29 September 2021 diff hist +573‎ Dielectric Breakdown ‎No edit summary
• 07:3107:31, 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..."
• 07:2007:20, 29 September 2021 diff hist +21‎ Two-Photon Absorption ‎No edit summary
• 07:1907:19, 29 September 2021 diff hist +21‎ Thermal Blooming ‎No edit summary
• 07:1907:19, 29 September 2021 diff hist +21‎ Stimulated Scattering ‎No edit summary
• 07:1807:18, 29 September 2021 diff hist +21‎ Diffraction ‎No edit summary
• 07:1807:18, 29 September 2021 diff hist +21‎ Dielectric Breakdown ‎No edit summary
• 07:1007:10, 29 September 2021 diff hist +21‎ Attenuation ‎No edit summary
• 07:0907:09, 29 September 2021 diff hist +21‎ Adaptive Optics ‎No edit summary

28 September 2021

• 21:0921:09, 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..."
• 20:5020:50, 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..."
• 19:5819:58, 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..."
• 19:4419:44, 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...."
• 19:3819:38, 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
• 19:3419:34, 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
• 18:3918:39, 28 September 2021 diff hist +211‎ Attenuation ‎No edit summary
• 18:3718:37, 28 September 2021 diff hist +4‎ Thermal Blooming ‎No edit summary
• 18:3518:35, 28 September 2021 diff hist +287‎ Thermal Blooming ‎No edit summary
• 18:2818:28, 28 September 2021 diff hist +118‎ m Thermal Blooming ‎No edit summary
• 18:2218:22, 28 September 2021 diff hist +402‎ Thermal Blooming ‎No edit summary
• 18:2218:22, 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
• 18:1718:17, 28 September 2021 diff hist +3,277‎ Thermal Blooming ‎No edit summary
• 17:5917:59, 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..."
• 17:0017:00, 28 September 2021 diff hist +3‎ m Attenuation ‎No edit summary
• 16:5316:53, 28 September 2021 diff hist +133‎ Attenuation ‎No edit summary
• 15:1515:15, 28 September 2021 diff hist +321‎ Attenuation ‎No edit summary
• 15:1015:10, 28 September 2021 diff hist +255‎ Attenuation ‎No edit summary
• 15:0515:05, 28 September 2021 diff hist +16‎ Attenuation ‎No edit summary
• 15:0415:04, 28 September 2021 diff hist +260‎ Attenuation ‎No edit summary
• 14:5614:56, 28 September 2021 diff hist 0‎ m Attenuation ‎No edit summary
• 14:5514:55, 28 September 2021 diff hist +182‎ Attenuation ‎No edit summary
• 14:4814:48, 28 September 2021 diff hist +23‎ File:Atmosphere absorption length LW IR.png ‎No edit summary current
• 14:4714:47, 28 September 2021 diff hist +23‎ File:Atmosphere absorption length MW IR.png ‎No edit summary current
• 14:4714:47, 28 September 2021 diff hist +23‎ File:Atmosphere absorption length near SW IR.png ‎No edit summary current
• 14:4714:47, 28 September 2021 diff hist +23‎ File:Atmosphere absorption length vis near vis.png ‎No edit summary current
• 14:4514:45, 28 September 2021 diff hist +1,866‎ Attenuation ‎No edit summary
• 14:2014:20, 28 September 2021 diff hist +279‎ Attenuation ‎No edit summary
• 14:0514:05, 28 September 2021 diff hist +619‎ Attenuation ‎No edit summary
• 13:5713:57, 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
• 13:5613:56, 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
• 13:5513:55, 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
• 13:5413:54, 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
• 13:4813:48, 28 September 2021 diff hist +453‎ Attenuation ‎No edit summary
• 11:3511:35, 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