Infobox Laboratory name LaserScience & Technology Centre motto logo image Image with inadequate rationale ... labs ecs lastec index.shtml LASTEC Home Page footnotes LaserScience and Technology Centre LASTEC ... labs lastec index.html?d Search DRDO Website&select 35 About LaserScience and Technology ... DRDO lab involved in the development of Laser s and related technologies. LASTEC functions under the DRDO Directorate of Electronics & Computer Science. History LASTEC is the oldest laboratory ... It was established in 1950 as Defence Science Laboratory DSL which was a nucleus laboratory with the objective ... title LASTEC the Laser Lab url http frontierindia.net lastec the laser lab publisher Frontier India ... Science Centre. The centre consolidated its R&D activities towards more specific and application ... with its major thrust on LASERS. Intensive work commenced on Solid state laser s, Carbon dioxide laser s, ALARM, laser rangefinder , Optical fiber Fibre Optic Gyroscope , Ring laser gyroscope s, Laser Intruder Alarm systems, etc. In 1986, the centre was made responsible for the development of high ... on 1 Aug 1999 to emphasize its core focus of Laser technology. Areas of Work LASTEC s primary focus is the research and development of various laser materials, components and laser systems, including ... directed energy weapon systems for the Indian Armed Forces , based on High power laser technology ... and other civilian applications. Projects and Products In the field of high power laser LASTEC works in following field 1 Chemical oxygen iodine laser 2 Gas dynamic laser 3 Hf Df laser References ... title LASTEC the Laser Lab url http frontierindia.net lastec the laser lab publisher Frontier India .... Chacko last Joseph title Solid State Laser Developments at LASTEC url http frontierindia.net solid state laser developments at lastec publisher Frontier India Defence and Strategic News Service date ... in 1950 Category Organisations based in Delhi Category Laser awards and associations Category ... more details
The Institute for LaserScience is a department of the University of Electro Communications , located near Tokyo , Japan . Location The Institute for LaserScience is located at 1 5 1 Chofugaoka, Ch fu, Tokyo Chofu , Tokyo, 182 8585, Japan. The coordinates are 35.657952, 139.54128 . Access By train Kei ... z bibcode 2006ApPhB..82..363H ref Current research Laserscience , solid state laser s http www .ils.uec.ac.jp ... 139.5413 type landmark source enwiki googlemaplink display title DEFAULTSORT Institute For LaserScience ... 200px right thumb Disk laser active mirror . Established in 1980, the Institute specializes mainly in improving the performance of gas laser s, especially excimer laser s. Between 1990 and 2005, the Institute developed fiber disk laser s, disk laser active mirror ref name Ueda cite journal ... K. Ueda coauthors N. Uehara title Laser diode pumped solid state lasers for gravitational wave antenna ... , fiber laser s Frequency stabilization, http www.ils.uec.ac.jp Egravity.html Power ... loss limit of the power scaling of a thin disk laser journal Journal of the Optical Society of America ... dima diskpreprint.pdf journal Preprint ILS UEC year 2007 ref of disk laser s and limits for density of excitations in laser materials. ref name avala cite journal author J. F.Bisson coauthors D.Kouznetsov ... of causality and McCumber relation in physics of laser materials. ref name Mccumber cite journal author D.Kouznetsov coauthor title Broadband laser materials and the McCumber relation journal ... sub 5 sub laser Comment journal Applied Physics Letters volume 90 issue 6 pages 066101 year 2007 doi ... bibcode 2005OptRv..12..445K ref of fiber laser s. Random laser s Deleted image removed Image ... journal author D. Kouznetsov coauthors J. F. Bisson, J. Li, K. Ueda title Self pulsing laser as oscillator ... . ref name multicha cite journal author J.Dong coauthors A. Shirakawa, K. Ueda journal Laser Physics ... laser volume 4 issue 2 pages 109 116 year 2007 doi 10.1002 lapl.200610077 bibcode 2007LaPhL...4 ... more details
The Arthur L. Schawlow Prize in LaserScience is a prize that has been awarded annually by the American Physical Society since 1991. The recipient is chosen for outstanding contributions to basic research which uses laser s to advance our knowledge of the fundamental physical properties of materials and their interaction with light . The prize is named after Arthur L. Schawlow 1921 1999 , laser pioneer and Nobel laureate , and as of 2007 it is valued at 10,000. Recipients 2009 Robert E. Field 2008 James Bergquist 2007 Szymon Suckewer 2006 Paul Corkum Paul B. Corkum 2005 Marlan O. Scully 2004 Federico Capasso 2003 David E. Pritchard 2002 Stephen E. Harris 2001 David Wineland David J. Wineland 2000 Richard Neil Zare 1999 Carl E. Wieman 1998 William D. Phillips 1997 Charles Shank Charles V. Shank , Erich Ippen Erich Peter Ippen 1996 Theodor W. H nsch 1995 Richart E. Slusher 1994 Steven Chu 1993 John L. Hall 1992 Yuen Ron Shen 1991 P. P. Sorokin Peter P. Sorokin External links http www.aps.org programs honors prizes schawlow.cfm Arthur L. Schawlow Prize in LaserScience , American Physical Society DEFAULTSORT Schawlow, Arthur L., Prize In LaserScience Category Laser awards and associations de Arthur L. Schawlow Preis f r Laserphysik pt Pr mio Arthur L. Schawlow de F sica do Laser ... more details
. Laser physics See also Laserscience Electron s and how they interact with electromagnetic ... news science environment 13725719 title Laser is produced by a living cell first Jason last ...Other uses pp semi small yes Image Military laser experiment.jpg thumb 300px right United States Air Force laser experiment File RGB laser.jpg thumb 300px right Red 635 nm , green 532 nm , and blue violet 445 nm lasers A laser is a device that emits light electromagnetic radiation through a process of optical amplification based on the stimulated emission of photon s. The term laser ... ref cite web accessdate 2008 05 15 url http dictionary.reference.com browse laser title laser publisher Reference.com ref The emitted laser light is notable for its high degree of spatial and temporal ... a so called pencil beam. Laser beams can be focused to very tiny spots, achieving a very high ... using simpler technologies. Terminology File Laser play.jpg thumb Laser beams in fog, reflected on a car windshield The word laser started as an acronym for light amplification by stimulated emission ... visible light , hence infrared laser , ultraviolet laser , X ray laser , and so on. Because the microwave predecessor of the laser, the maser , was developed first, devices of this sort operating ... , the laser was called an optical maser this term is now obsolete. ref cite web title Schawlow and Townes invent the laser publisher Lucent Technologies year 1998 url http www.bell labs.com about history laser accessdate 2006 10 24 ref A laser which produces light by itself is technically an optical ... amplifiers have come to be referred to as laser amplifiers , notwithstanding the apparent redundancy ..., meaning to produce laser light, ref cite web url http dictionary.reference.com browse lase title ... medium of a laser when a laser is operating it is said to be lasing. Further use of the words laser and maser in an extended sense, not referring to laser technology or devices, can be seen in usages ... more details
A. Laser is an Indian politician and incumbent member of the Tamil Nadu Legislative Assembly from the Periyakulam State Assembly Constituency Periyakulam constituency . He represents the Communist Party of India Marxist party. ref cite web title List of MLAs from Tamil Nadu 2011 url http www.assembly.tn.gov.in member list.pdf publisher Govt. of Tamil Nadu ref References Reflist CPIndiaMarxist politician stub Persondata NAME Laser, A. ALTERNATIVE NAMES SHORT DESCRIPTION Indian politician DATE OF BIRTH PLACE OF BIRTH DATE OF DEATH PLACE OF DEATH DEFAULTSORT Laser, A. Category Tamil Nadu MLAs Category Communist Party of India Marxist politicians from Tamil Nadu Category Communist Party of India Marxist politicians Category Living people Category Year of birth missing living people ... more details
A superradiant laser is a laser that does not rely on a large population of photons within the laser cavity to maintain coherence . ref cite web url http physicsworld.com cws article news 2012 apr 05 superradiant laser created for first time title Superradiant laser created for first time date Apr 5, 2012 publisher physicsworld.com ref ref cite web url http www.sciencedaily.com releases 2012 04 120404133654.htm title New Way of Lasing A Superradiant Laser publisher Science Daily date April 4, 2012 ref Rather than relying on photons to store phase coherence, it relies on collective effects in an atomic medium to store coherence. Such a laser uses repumped Dicke superradiance or superfluorescence to sustain emission of light that can have a substantially narrower linewidth than a conventional laser. References reflist optics stub Category Laser types ... more details
The Vulcan laser is an 8 beam 2.5 kJ per 2 nanosecond pulse infrared neodymium Neodymium glass neodymium glass laser at the Rutherford Appleton Laboratory s Central Laser Facility in Oxfordshire , United Kingdom . Vulcan is also capable of operating in frequency doubled mode where it can deliver about 1 kJ to a target at 532 nm in 2 ns pulses. One of Vulcan s beams is also available as an ultra short pulse 700 Joules in 700 femtosecond ultra high intensity beam using chirped pulse amplification called the Vulcan petawatt . Main uses for Vulcan and Vulcan petawatt are the investigation of high intensity light matter coupling experiments and inertial confinement fusion experiments including the investigation of the fast ignition scheme of target implosion. In 2005 the Vulcan laser was the highest intensity focused laser in the world, capable of producing a Petawatt laser beam with a focused intensity of 10 sup 21 sup watts per cm sup 2 sup . ref http www.clf.rl.ac.uk news CLF News Archive vulcangbowr2005.htm VULCAN in the Guinness Book of World Records for Second Year Running CLF, Laser website ref See also Laser List of laser types External links http www.clf.rl.ac.uk Mission Strategy.htm Vulcan and other lasers at the CCLRC http www.clf.rl.ac.uk Facilities Vulcan 12248.aspx Vulcan laser References references fusion experiments Category Inertial confinement fusion research lasers Category Science and technology in the United Kingdom ... more details
A laser fence is a mechanism to detect objects passing the line of sight between the laser source and the detector ref http www.freepatentsonline.com 3825916.html http www.freepatentsonline.com 3825916.html accessed 26 Jan 2011 ref . Stronger lasers can potentially be used to injure someone or something passing the laser beam see mosquito laser ref Cite journal last Guth first Robert A year 2009 title Rocket Scientists Shoot Down Mosquitoes With Lasers journal Wall St. Journal ref harv url http online.wsj.com article SB123680870885500701.html ref . Sometimes laser fences are used in fiction with the ability to stop intruders by blocking or injuring them. It is a concept used frequently in videogames ref http www.giantbomb.com laser fence 92 5889 Laser Fence video game concept Bot generated title ref ref http cnc.wikia.com wiki Laser fence Laser fence EVA Database Command & Conquer 4, Red Alert 3, Generals 2 and more Bot generated title ref . The concepts of these fictional fences can be compared to other concepts like tractor beam tractor or repulsor beams. Notes reflist Category Fences Category Force lasers Category Fringe physics Category Science fiction weapons Category Ufology Category Video game gameplay ar ... more details
In modern engineering, the term laser scanning is used to describe two related, but separate meanings. The first, more general, meaning is the controlled deflection of laser beams , visible or invisible. ref Gerald F. Marshall Handbook of Optical and Laser Scanning , Marcel Dekker, Inc., 2004, ISBN 0 8247 5569 3 ref Scanned laser beams are used in stereolithography machines, in rapid prototyping , in machines for material processing, in laser engraving machines, in ophtalmological laser systems for the treatment of presbyopia , in confocal microscopy , in laser printer s, in laser show s, in Laser ... of laser beams followed by a distance measurement at every pointing direction. This method, often called 3D scanner 3D object scanning or 3D scanner 3D laser scanning , is used to rapidly capture ... and applications of scanned laser beams. Technology Scanning mirrors File Plexi Galvohalter.jpg thumb Laser scanning module with two galvanometers, from Scanlab AG. The red arrow shows the path of the laser beam. Most laser scanners use moveable mirrors to steer the laser beam. The steering of the beam can be one dimensional , as inside a laser printer, or two dimensional , as in a laser ... a laser beam in two dimensions , it is possible either to rotate one mirror along two axes used mainly for slow scanning systems or to reflect the laser beam onto two closely spaced mirrors that are mounted ... processing, confocal microscopy, and medical science. Some applications require to position the focus of a laser beam in three dimensions . This is achieved by a servo controlled lens system, usually called a focus shifter or z shifter . Many laser scanners further allow changing the laser intensity. In laser projectors for laser TV or laser displays, the three fundamental colors red blue and green .... See www.optra.com When two optical lens es are moved or rotated against each other, a laser beam can ... laser scanners use, instead of moving mirrors, Acousto optic modulator acousto optic deflectors or Electro ... more details
resonators , by Ivan Grudinin and Lute Maleki. Category Laserscience optics stub cs Ramanovsk laser it Laser Raman zh ...The Raman laser is a byproduct of Raman scattering , discovered in 1928 by Nobel laureate Chandrasekhara Venkata Raman and Kariamanickam Srinivasa Krishnan in liquids and independently by Grigory Landsberg and Leonid Mandelshtam in crystals. When light hits a substance, it causes the atoms in the substance to vibrate sympathetically. The collision of photons with the substance causes some of the photons to gain or lose energy, resulting in a secondary light of a different wavelength. A Raman laser takes this secondary light and amplifies it by reflecting it and pumping energy into the system to emit a coherent laser beam. The most significant difference between a Raman laser and a standard laser is the absence of population inversion in a Raman laser. Recent research In 2002, researchers at UCLA demonstrated Raman light transmission from optical wires on a silicon quantum chip and in 2004 they demonstrated the first silicon laser . In February 2005, researchers at Intel demonstrated the second generation of such lasers that are capable of operating in continuous mode on silicon chips. It is expected that these breakthroughs will greatly reduce the cost of optical computing and communications devices by 2010. Because of its crystalline structure, silicon atoms readily vibrate when hit with light. The Raman effect is 10,000 times stronger in silicon than in glass. In 2007, researchers at JPL Caltech have also discovered Raman lasing with fluorite resonators, demonstrating record low threshold and high efficiency. The Raman effect can lead to higher energy photon emission, or, more ...?URI OPEX 12 21 5269 Demonstration of a silicon Raman laser , by Ozdal Boyraz and Bahram Jalali. http ... www.nature.com nature journal v433 n7027 full nature03346.html A continuous wave Raman silicon laser ... more details
Infobox Pinball title Laser Cue manufacturer Williams gaming company Williams image system Williams System 7 designer Designer Edward Tomaszewski br Artwork Pam Erickson release February 1984 production 2,800 units Laser Cue is a 1984 electronic pinball machine produced by Williams gaming company Williams . The game features a Cue sports billiards oriented futuristic science fiction theme. The name is a reference to laser s and cue stick s. References Reflist Refbegin http www.ipdb.org machine.cgi?id 1414 Internet Pinball Database entry for Laser Cue Refend Category Pinball machines Category Williams games Category Cue sports toys and games pinball stub ... more details
Optics Category Laserscience ...Laser linewidth is the spectral linewidth of a laser beam. Two of the most distinctive characteristics of laser emission are coherence physics spatial coherence and coherence physics spectral coherence . While spatial coherence is related to the beam divergence of the laser, spectral coherence is evaluated by measuring the laser linewidth of the radiation. Although the concept of laser linewidth can .... One of the first methods used to measure the coherence of a laser was optical interferometry interferometry ... of spectrometry . ref name FPS F. P. Sch fer et al. , Organic dye solution laser, Appl. Phys. Lett. 9 , 306 309 1966 . ref CW lasers Laser linewidth in a typical single transverse mode transverse mode He Ne laser at a wavelength of 632.8 nm , in the absence of intracavity line narrowing optics, can be of the order of 1 GHz. On the other hand, the laser linewidth from stabilized low .... Hollberg, CW dye lasers, in Dye Laser Principles , F. J. Duarte and L. W. Hillman eds. Academic, New ... Laser linewidth from high power high gain pulsed lasers, in the absence of intracavity line narrowing optics, can be quite broad and in the case of powerful broadband dye laser s it can range from a few .... Lett. 9 , 179 181 1966 . ref to as broad as 10 nm. ref name FPS Laser linewidth from high power high gain pulsed laser oscillators, comprising line narrowing optics, is a function of the geometrical and dispersive features of the laser cavity . ref name TLO F. J. Duarte, Tunable Laser Optics Elsevier Academic, New York, 2003 . ref To a first approximation the laser linewidth, in an optimized ... intracavity angular dispersion. An optimized multiple prism grating laser oscillator ... math 350 MHz equivalent to math Delta lambda math 0.0004 nm at a laser wavelength of 590 nm . ref name D1999 F. J. Duarte , Multiple prism grating solid state dye laser oscillator optimized ... more details
of Engineering Science. Maiman s original laser was fired at a projector screen in a darkened room ...Image Ruby laser.jpg thumb right Diagram of the first ruby laser. A ruby laser is a solid state laser that uses a synthetic ruby crystal as its active laser medium gain medium . The first working laser was a ruby laser made by Theodore Maiman Theodore H. Ted Maiman at Hughes Research Laboratories on May ... 494. ref ref cite web title Laser inventor Maiman dies tribute to be held on anniversary of first laser publisher Laser Focus World date 2007 05 09 url http www.laserfocusworld.com display article 292149 12 none none INDUS Laser inventor Maiman dies tribute to be held on anniversary of first lase ... nanometer nm , which is a deep red color. Typical ruby laser pulse lengths are on the order of a millisecond . Design Image Ruby laser rod and view through.JPG thumb right upright A ruby laser rod. Inset The view through the rod is crystal clear seealso Laser construction A ruby laser most often consists of a ruby rod that must be laser pumping pumped with very high energy, usually from a flashtube ... laser is a Population inversion Three level lasers three level solid state laser . The active laser medium laser gain Amplifier amplification medium is a synthetic ruby rod that is energized through ... Silfvast Laser Fundamentals by William Thomas Silfvast Cambridge University Press 1996 Page 547 549 ... is the wavelength of the ruby laser. Ruby also absorbs some of the light at its lasing wavelength. To overcome ... One of the first applications for the ruby laser was in rangefinding. By 1964, ruby lasers with rotating ... efficient Nd YAG laser Nd YAG rangefinders a decade later. Ruby lasers were used mainly in research. ref name Koechner Solid State Laser Engineering by Walter Koechner Springer Verlag 1965, page 2. ref The ruby laser was the first laser used to optically pump tunable dye laser s and is particularly well suited to excite laser dyes emitting in the near infrared. ref cite book title Dye Laser Principles ... more details
Laser M gajoule LMJ is an experimental inertial confinement fusion ICF device being built near Bordeaux , in France by the French nuclear science directorate, Commissariat l nergie Atomique CEA . Laser M gajoule plans to deliver about 1.8 MJ of laser energy to its targets, making it about as powerful as its US counterpart, the National Ignition Facility NIF . Laser M gajoule is the largest ICF experiment to be built outside the US, where ICF research has been strongly related to nuclear weapon s research. Likewise, one of Laser M gajoule s primary tasks will be refining Nuclear fusion fusion calculations for France s own nuclear weapons industry. Laser M gajoule uses a series of 240 laser beamlines, grouped into eight groups of 30. Each beamline contains two main glass amplifiers, which are optical pumping optically pumped using Flashtube Applications xenon flashlamps . A feeder laser beam is fed via optical fiber into each of the beamlines where it travels through the two amplifiers. In order to extract more power from the amplifiers, which are not particularly efficient in transmitting power to the beam, the laser pulse is sent through the amplifiers twice by an optical switch ... the laser light is used to heat a high Z cylinder made of some heavy metal often gold known as a hohlraum ... a deuterium tritium DT fusion fuel. Although considerable laser energy is lost to heating the hohlraum ... of fusion researchers. Construction on the Laser M gajoule started with a single set of eight beamlines known as the Ligne d Integration LaserLaser Integration Line , or LIL , powered by a 450 MJ energy ... first Michael title France banking on laser research publisher Facts & Arts date 2008 11 07 url http www.factsandarts.com articles france banking on laser research accessdate 2009 06 20 ref References ... lmj.cea.fr html cea.htm Laser M gajoule in French language French fusion experiments DEFAULTSORT Laser Megajoule Category Inertial confinement fusion research lasers es Laser Megajoule fr Laser M gajoule ... more details
File Laser pointers.jpg thumb 300px Red 635nm , green 532nm and blue 445nm laser pointers A laser pointer or laser pen is a small portable device with a power source usually a battery and a laser diode emitting a very narrow Coherence physics coherent low powered laser beam of visible light, intended ... and low power of typical laser pointers make the beam itself invisible in a reasonably clean atmosphere, only showing a point of light when striking an opaque surface. Some higher powered laser pointers ... object pointers for teaching purposes. The recent low cost availability of infrared IR diode laser ... DPSS laser pointers in green, blue, and violet, of higher visible power, typically up to 300 mW. Because the IR laser component in the beams of these visible lasers is difficult to filter out ... laser pointer package, it is often left as a beam component in cheaper high power pointers. This invisible laser light component causes a degree of extra potential hazard in these devices when pointed at nearby objects and people. Laser pointers make a potent signaling tool, even in daylight, and are able ..., small and lightweight device of the type that could be routinely carried in a emergency kit. Laser ... of rare minor permanent harm, but low powered laser pointers are not seriously hazardous to health. They may be a major annoyance in some circumstances. A dot of light from a red laser pointer may be thought to be due to a Laser sight laser gunsight , causing outrage and possible danger. ref name princeton When pointed at aircraft at night, laser pointers may dazzle and distract pilots, and increasingly strict laws have been passed to ban this. Colors and wavelengths Early laser pointers were helium neon laser helium neon HeNe gas lasers and generated laser radiation at 633 nanometer nm , usually designed to produce a laser beam with an output power under 1 milliwatt mW . The least expensive laser pointers use a deep red laser diode near the 670 650 nanometers nm wavelength . Slightly ... more details
non free date August 2011 Fictional Science Fiction Ground Vehicles name Laser Tank image Lasertank2.JPG caption Eagle Laser Tank first The Infernal Machine last Space Warp affiliation Earth maxspeed 10 15 mph armaments Laser cannon defense powerplant chassis Tracked power weight length width height primeref The Laser Tank is a fictional vehicle seen in List of Space 1999 episodes The Infernal Machine The Infernal Machine episode of the television series Space 1999 . Defense Capabilities These vehicles are not one particular design, and in fact, the three tanks seen all look different although they do seem to share a common chassis. Their armament is similar though, with each being armed with a single rotating laser cannon. ref name desc http www.space1999.net catacombs main pguide wrefamg.html Description of the Laser tanks and their background ref gallery Image Laser Tank 1.jpg Flat Bed Laser Tank Image Lasertank3.JPG Domed Laser Tank gallery These vehicles can be manned or operated by remote control ref name desc and were probably the product of a conversion of construction vehicles that were still present on the Moonbase at the time of Breakaway Space 1999 Breakaway . ref name desc Moonbase Alpha only had to use their Laser Tanks in combat once, against the artificial intelligence known as Gwent. All three tanks were destroyed, although other tanks were seen in an Eagle hangar in List of Space 1999 episodes Space Warp . Fortunately during the battle with Gwent, the tanks had been operated by remote control. ref Space 1999 episode The Infernal Machine final shooting script. ref Design The Laser Tanks were designed by Martin Bower , who was responsible for the design of much of the hardware seen in the show. The chassis were from Tamiya 1 25th scale Chieftain tank s and were the one common feature to all the vehicles. Each one was motorized and remote controlled. References ... main models tim w2mtim.html Space 1999 Catacombs Laser Tanks In depth review of the laser tanks ... more details
Meanings of Laser Class Laser dinghy a class of sail boat Laser safety classification of laser products concerning safety hazards disambig ... more details
Refimprove date June 2008 Cleanup date November 2008 Image Cyclops laser 1975.jpg thumb right 300px The single beam Cyclops laser at LLNL around the time of its completion in 1975. Cyclops was a high power laser built at the Lawrence Livermore National Laboratory LLNL in 1975. It was the second laser constructed in the lab s Laser program, which aimed to study inertial confinement fusion ICF . ref Citation title Laser Programs the First 25 Years...1972 1997 url https lasers.llnl.gov science technology ... laser and the single beam version of the two beamed Janus laser , also completed in 1975. The main scientific aims of its construction were for the study of nonlinear focusing effects in high power laser ... techniques which would be used on subsequent higher powered lasers such as the argus laser Argus and Shiva laser s and for inertial confinement fusion ICF research. Background Even the earliest ICF laser experiments demonstrated that one of the main problems which needed to be addressed was poor focusing ... easily exceed the optical damage threshold of laser glass and other optics, severely damaging them ..., some way of further improving the beam smoothness of the laser needed to be studied. The simplest ... are, in effect, small inverted telescopes inserted in the laser beam to focus the light through ... long, thereby maximizing the distance the filaments moved from the centerline. Such a laser had not previously been built, the earlier Janus laser, which explored the Nd glass laser itself, was only a few meters long. It was precisely the problems of building a long laser that Cyclops was built to study ... filtering technique, leading to ever growing laser beamlines on the order of 100 m today. While Cyclops was still under construction, another LLNL laser was being built that also incorporated the spatial filtering technique, Argus laser Argus . Argus passed its light through a series of amplifiers ... also Laser Lawrence Livermore National Laboratory List of laser types References Reflist External links ... more details
Wiktionary laser A laser is a device which generates a coherent beam of light. Laser may also refer to Transportation Laser sailboat Ford Laser , a compact car sold outside the United States from 1980 2003 Chrysler Laser , a hatchback car sold from 1985 1986 Plymouth Laser , a sports coupe sold from 1989 1994 LASER Airlines Computing MPEG 4 Part 20 , a rich media standard VTech Laser 200 , an 8 bit home computer Laser 128 , a clone of the Apple II home computer Other uses Laser debit card , the primary debit card system used in Ireland. Laser roller coaster Lasers album Lasers album , by Lupe Fiasco Silphium , an extinct plant, of the genus Ferula , which produced a resin also called laserLaser genus , a plant genus of the family Apiaceae Dieter Laser , German actor David Copperfield s laser illusion See also Atom laser Lazar disambiguation Lazer disambiguation disambig da Laser flertydig de Laser Begriffskl rung fr Laser homonymie ko it Laser disambigua he lb Laser nl Laser ja pl Laser ujednoznacznienie pt Laser desambigua o ru fi Laser t smennyssivu sv Laser olika betydelser ... more details
Orphan date February 2009 Image Linelaser.jpg thumb 220px right A line laser is a laser with an Optics optic , to generate a laser line instead of a point e.g. laser pointer . Different types of optics generate different patterns. Usage 3D scanner laser scanning laser line level laser level surveying DEFAULTSORT Line Laser Category Surveying Category Laser image generation de Linienlaser ... more details
Soldiers of the 2nd Foreign Infantry Regiment 2 sup e sup REI training with laser tag equipment union International Laser Tag Association nickname lazer tag, lasertag, lasergames first 1984 registered ... ball Laser guns and targets worn by players Laser tag is a team or individual sport or recreational ... Guns , http memory apha.org Memory Alpha , accessed 2009 05 10 Dead link date January 2011 ref laser ... game goals. Laser tag is popular with a wide range of ages. When compared to paintball , laser tag ... . The Multiple Integrated Laser Engagement System MILES system functions like laser tag in that beams ... Multiple Integrated Laser Engagement System , the Federation of American Scientists Military Analysis ... TagFerret s Laser Tag History Page , a historical reference to consumer laser tag product from ... was honored by the International Laser Tag Association on November 17, 2005 for his contribution to the laser tag industry. The http www.carterinventions.com laser tag award.htm award is engraved Presented to George A. Carter III in recognition for being the Inventor and Founder of the laser tag industry ... blog.chron.com sciguy 2010 03 who knew laser tag was born in houston and dallas news article appeared claiming that Lee Weinstein developed and opened the first commercial laser tag facility. In June ... the opening date for Star Laser Force to be April 16, 1985. ref name lasertag.org http www.lasertag.org museum.html ref In 2011, the International Laser Tag Association developed a webpage dedicated to its museum and the origins of the laser tag industry. ref name lasertag.org In 1986, the first Photon ... off. Today there are laser tag arenas all over the world bearing various names and brands, as well ... laser tag arenas and businesses. ref name iltahistory http www.lasertag.org general history.html History of Laser Tag , International Laser Tag Association, accessed 17 September 2006 ref Game mechanics Laser tag systems vary widely in their technical capabilities and their applications. The game mechanics ... more details
Laser types Category Laserscience ar fr Laser al atoire ...No footnotes date September 2011 A random laser is a laser that uses a highly disordered gain medium. A random laser uses no optical cavity but the remaining principles of operation remain the same as for a conventional laser . Random laser action has been observed in many different media, including semiconductor powder, nanostructured and non nanostructured thin films , Dye laserlaser dyes , ceramics and many more. Developments in nanoparticles have demonstrated that large amounts of optical scattering can occur when photons are incident. In this way, light can be diffused around a medium in much the same way as it is on white paint and in clouds . Incoherent regime If nano particles are embedded in an optical gain medium, for example, zinc oxide Ultraviolet UV emission bandgap 3.3 eV , light from a pump source e.g. frequency tripled Nd YAG laser will induce spontaneous emission of light at around 350 nm within the gain medium . These spontaneously emitted photons will then stimulate other radiative transitions in the gain medium to take place, unleashing yet more photons. This is, in many ways analogous to the chain reaction that occurs in the fission of neutrons in a nuclear reactor and has been referred to by R.H. Dicke as an optical bomb . ref http www.rp photonics.com superradiance.html Encyclopedia of Laser Physics and Technology Superradiance ref Anderson localization Anderson localization is a well known phenomenon which occurs when electrons become trapped in a disordered ... emission to occur. As in an ordinary laser, if the gain is greater than the losses incurred .... Random Laser Theory Theory however shows that for multiple scattering in amplifying random media .... This is in contrast to producing an ordinary laser crystal at temperatures exceeding 700 C. See also List of laser articles References Reflist External links Journal of Optics. Special issue ... more details
A laser broom is a proposed ground based laser beam powered propulsion system whose purpose is to sweep space debris out of the path of other artificial satellites such as the International Space Station . Technical description Lasers are designed to target debris between one and ten centimeters in diameter. Collisions with such debris are commonly of such high velocity that considerable damage and numerous secondary fragments is the result. ref cite web url http www.astronomycafe.net qadir q1697.html title Where can I get information about orbiting space junk? publisher Astronomy Cafe work Ask the Astronomer Archive of Astronomy Questions and Answers author Dr Sten Odenwald date 1997 accessdate 2007 03 26 ref The laser broom is intended to be used at high enough power to punch through the atmosphere with enough remaining power to laser ablation ablate material from the target. ref Jonathan Campbell, http www.au.af.mil au awc awcgate cst csat20.pdf Using Lasers in Space Laser Orbital Debris ... Debris , 1997, ESA SP 393, p. 699. ref The laser would operate in pulsed mode to avoid self shielding ... for an effective anti satellite weapon. Recent NASA research 2011 indicates that firing a laser beam ... is that the photons in laser beams carry a tiny amount of momentum in them which, under the right ... a laser at a piece of junk for a few hours it should be possible to alter it s course by 650ft ... accessdate 2008 02 03 ref One laser broom project is named Project Orion ref cite web url http www.spacefuture.com archive orions laser hunting space debris.shtml title Orion s Laser Hunting Space Debris ... of laser articles References reflist Further reading 2000 Earth Orbital Debris NASA Research on Satellite ... links http news.bbc.co.uk 1 hi sci tech 884256.stm BBC News report on Laser broom http www.abc.net.au science news stories s164735.htm Space Station gets high tech broom ABC http www.spacedaily.com news debris 00a.html NASA Hopes Laser Broom Will Help Clean Up Space Debris Agence France Presse story ... more details
Unreferenced stub auto yes date December 2009 Laser guidance is a technique of guiding a missile or other projectile or vehicle to a target by means of a laser beam. Some laser guided systems utilise beam riding guidance, but most operate more similarly to semi active radar homing SARH . This technique is sometimes called SALH , for Semi Active Laser Homing . With this technique, a laser is kept pointed at the target and the laser radiation bounces off the target and is scattered in all directions this is known as painting the target , or laser painting . The missile, bomb, etc. is launched or dropped somewhere near the target. When it is close enough for some of the reflected laser energy from the target to reach it, a laser seeker detects which direction this energy is coming from and adjusts the projectile trajectory towards the source. While the projectile is in the general area and the laser is kept aimed at the target, the projectile should be guided accurately to the target. Note that laser guidance is not useful against targets that do not reflect much laser energy, including those coated in special paint which absorbs laser energy. This is likely to be widely used by advanced military vehicles in order to make it harder to use laser rangefinder s against them and harder to hit them with laser guided munitions. An obvious circumvention would be to aim the laser merely close to the target. Countermeasures to laser guidance are Laser warning receiver Laser detection systems , Smoke screen , anti laser active protection systems. See also Laser guided bomb List of laser articles Missile types DEFAULTSORT Laser Guidance Category Missile guidance Missile stub id Pemandu laser it Missile a guida laser ja sv Laserstyrning ... more details
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