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Topic: Laser applications

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Laser applications - Wikipedia, the free encyclopedia The first role envisioned for the laser in military applications was as a "death ray": a hand-held device that might replace the gun as a weapon for infantry, or a vehicle-mounted "laser cannon" able to destroy tanks, ships and aircraft. Laser beams are focused through large telescopes on Earth aimed toward the arrays, and the time taken for the beam to be reflected back to Earth measured to determine the distance between the Earth and Moon with high precision. This is a low-power laser pointer used to indicate a target for a precision-guided munition, typically launched from an aircraft. en.wikipedia.org /wiki/Laser_applications   (1933 words)

Laser Applications Lasers are used for photocoagulation of the retina to halt retinal hemorrhaging and for the tacking of retinal tears. The usefulness of the laser for such cutting operations comes from the fact that the beam is highly collimated and can be further focused to a microscopic dot of extremely high energy density for cutting. A pulsed ruby laser was used for this measurement. hyperphysics.phy-astr.gsu.edu /hbase/optmod/lasapp.html   (802 words)

Laser - Wikipedia, the free encyclopedia The first application of lasers visible in the daily lives of the general population was the supermarket barcode scanner, introduced in 1974. For a laser to operate, the gain medium must be "pumped" by an external energy source, such as electricity or light (from a classical source such as a flash lamp, or another laser). A laser is composed of an active laser medium and a resonant optical cavity. en.wikipedia.org /wiki/Laser   (3985 words)

Laser biography .ms Laser applications, Laser construction, Laser science, List of lasers, active laser medium, Ring laser gyroscope A laser (light amplification by stimulated emission of radiation) is a device which uses a quantum mechanical effect, stimulated emission, to generate a coherent beam of light. The basic physics of lasers centres around the idea of producing a population inversion in a laser medium by 'pumping' the medium; i.e., by supplying energy in the form of light or electricity, for example. laser.biography.ms   (1465 words)

LASER APPLICATIONS The main advantage of the laser speed gun is the small beam diameter (one of the unique laser properties) that allows targeting a specific vehicle even at long distances ([13] refers a beam diameter of around 1 meter at a distance of 300 meters from the source). Unlike the Doppler effect-based RADAR speed guns, the laser speed meter determines the distance to a moving object by comparing the change in distance of several samples over a short period of time (say, several hundred samples over the course of a third of a second [13]). Elementary physics is again used, this time by the application of the Doppler Effect, that states that the frequency drift of the reflected radiation in relation to the original frequency, allows the calculation of the speed and direction at which a target is moving in relation to the measuring equipment. zodiak.f2o.org /stm/rprt.htm   (1904 words)

BTR Directory - Laser Applications The confluence of multiphoton laser excitation techniques and fluorescence microscopy applications has led to rapid advances in imaging techniques, as well as related methods such as fluorescence correlation spectroscopy (FCS). Associated research: Cell cycle analysis and control; applications of chromosome analysis and sorting in neoplastic transformation; chromosome sorting for recombinant DNA library construction; bacterial and viral detection and identification; and medical applications of flow cytometry. Particles pass rapidly through one or more focused laser beams where probe molecules bound to specific components, such as DNA in cells, are excited and the emitted fluorescence photons are detected. www.ncrr.nih.gov /ncrrprog/btdir/Laser.asp   (2167 words)

Laser Surgery Laser Group members have trained thousands of professionals from around the world and have lectured and published extensively on laser applications and research. Established in 1981, The Laser Center at Rochester General Hospital is an internationally recognized, full service Center with expertise in clinical applications, research and education regarding laser applications in health care. Lasers are used to cut, vaporize or coagulate tissues with little or no damage to surrounding areas. www.viahealth.org /body_surgical.cfm?id=452   (181 words)

Alase Laser Applications Center Adding four brand new large production bays for laser marking systems building, a new laser engraving applications lab and doubling the size of the laser etching job shop facility, Alase is fully prepared to handle their expected growth. Laser marks are made permanent either by engraving or annealing of the base material. Since laser engraving is a non-contact process, it can be used to mark parts that would normally be damaged by impact and/or vibratory marking methods. www.alase.com /applications   (332 words)

Lasers at Liverpool Laser ignition of air-fuel mixtures in the laboratory has shown that improved ignition and kernal growth in lean mixture may be possible, leading to an increase in the lean burn limit by 1 to 3 air-fuel ratios (AFR's) compared to conventional electric spark ignition An example of application is in the use of laser bending to create on-board microactuators for the alignment of microelectronic components. Laser forming is a non-contact technique for the shaping of metallic sheet components. www.lasers.org.uk /Liv/applications.htm   (762 words)

Laser Safety Training Courses, Laser Safety Products, Laser Safety ... The belief, as it remains today, is to promote laser applications and their safe use through education, training, and symposium. The Laser Institute of America (LIA) is the information and applications society dedicated to fostering lasers, laser applications and laser safety worldwide. The Laser Institute of America was started in 1968 with the sole intention of turning the potential of a powerful new technology into an actual, viable industry. www.laserinstitute.org   (1028 words)

Laser Applications Laboratory [Laser-based applications for materials processing, laser-ignition of natural gas power turbine generators, laser drilling of oil wells]: - Nuclear Engineering Division (ANL), Facilities The Laser Applications Laboratory (LAL) in Argonne's Nuclear Engineering Division carries out research and development on laser-based applications for materials processing and aerosol or spray characterization. Several low-power lasers--including visible to near-infrared diode lasers, nitrogen and dye lasers, and helium-neon lasers--are used for diagnostics, characterization (and control) of aerosols and sprays relevant to environmental control and fuel injection optimization. Improvements in laser beam delivery, power measurement, and sensors for on-line process monitoring will positively affect the viability and cost-effectiveness of high-power laser processing technology that is currently used in automotive and other manufacturing sectors. www.ne.anl.gov /facilities/lal   (494 words)

LaserInstitute.org - Ads & Jobs From national safety standards to instructional how-to guides on laser applications, these items are necessities for laser users in all environments. LIA members receive a free subscription to LIA TODAY and the Journal of Laser Applications. LIA TODAY is published bimonthly and strives to educate and inform laser professionals on laser safety and new trends related to laser technology. www.laserinstitute.org /publications   (203 words)

GaN Laser Diode Applications If the laser diodes were pulsed in rapid succession, a single, simplified optical system could replace the three beam approach of the current system and a more saturated image spanning a broader color gamut could be built up from overlaid red, green and blue images using a scheme called field sequential color. If the lamp could be replaced by three diode lasers, the packaging would immediately benefit from a simplified power supply and cooling system, since laser diodes operate at higher overall efficiency and require only a few volts (vs. kilovolts for halide lamps). The major motivation for short wavelength laser diode development for printers is improving the beam spot size while maintaining an adequate depth of field (DOF) and the optical aperture. nsr.mij.mrs.org /news/industapp97.html   (1156 words)

National Centre for Laser Applications (NCLA) Galway, Ireland. Lasers are a useful tool for drilling holes into a wide range of materials. The development of laser welding processes for polymer materials can lead to significant increase in factory automation and can reduce the amount of solvents and adhesives required for the manufacturing process. New femtosecond ultrafast laser facility has been set up based on a Clark MXR laser www.ncla.ie   (572 words)

Facts about Lasers, Laser Applications Lasers are used in military applications both as weapons and for guidance systems for weapons. For some of these applications very powerful lasers (10,000 Watts) are used, and the laser light is focused in a very small area (0.0025 mm), which produces an extreme heat (10,000 F) that can cut through and melt extremely hard materials. Laser eye surgery is becoming common for correcting near sightedness as well as for reattaching retinas. www.elvex.com /facts13.htm   (263 words)

Laser Applications Laboratory - Laser micromachining, laser drilling, laser cutting, micro drilling, laser marking, laser engraving - job shop and development For examples of these laser processes see our Applications page. The laser systems can be used for micromachining, laser drilling, laser cutting, precision machining, fine cutting, micro drilling, microfabrication, laser ablation, photonics, MEMS, scribing, etching, laser marking, laser engraving and milling. Laser drilling and laser cutting can produce features down to 2 µm in size and in materials up to 1.5mm thick. www.oxfordlasers.com /applications_laboratory.htm   (285 words)

Coherent Inc. : Laser Applications Lasers are employed over a huge range of applications including basic scientific research, test and measurement, industrial processing, microelectronics, biomedicine, environmental science, avionics, entertainment and telecommunications. Because lasers are utilized in such diverse manners, many of our customers come from other disciplines, and aren't experts in laser technology themselves. Coherent is proud that our lasers, measurement and diagnostic instruments are used to enable products that improve the quality of life in so many ways. www.cohr.com /Applications   (199 words)

Laser Heat Treatment [Laser Applications Laboratory] - Nuclear Engineering Division (ANL), Facilities For some special applications or applications where the heat treatment is done on an edge or corner of the part, it may be better to have the irradiance decrease near the edge to prevent melting. An inert, absorbent coating for laser heat treatment has also been developed that eliminates the fumes generated by conventional paint coatings during the heat-treating process with CO2 laser beams. One consideration crucial to the success of a heat treatment operation is control of the laser beam irradiance on the part surface. www.ne.anl.gov /facilities/lal/projects/industry/heat.html   (355 words)

Connecticut Center for Advanced Technology - (860) 291-8832 Companies, organizations and academic institutions wishing to collaborate and/or utilize the facilities of the Laser Applications Laboratory are encouraged to contact CCAT and speak with Bob Murray or Dr. In order to exploit regional strengths in lasers and photonics, and to address needs of regional high-tech companies for next-generation manufacturing technology, CCAT has established a Laser Applications Laboratory. A Laser-Applications Team is in place, and laser-processing cells are currently being brought on line. www.ccat.us /technology.htm   (399 words)

Welcome to Dynamic Laser Applications When prefinishing is needed, Dynamic Laser Applications will require a sample piece of the flooring used so DLA may match the thickness and match the sheen of the finish. Dynamic Laser Applications has the experience since we are responsible for pioneering the process of laser-cutting wood inlays almost 20 years ago. Dynamic Laser Applications has fabricated wood inlays for installation into furniture, cabinets and wall hangings. www.dynamiclaser.com   (232 words)

Sam's Laser FAQ - Items of Interest Laser Resonator Gain (LRG) is a measure of how much the light intensity increases due to stimulated emission after one round trip through the resonator (i.e., starting from the OC, through the lasing medium, reflected off the HR, back through the lasing medium, ending up at the OC again). One basic type of laser power meter for measuring the output power of CW or quasi-CW lasers between a few watts and a hundred watts or more, or the energy of pulsed lasers up to several hundred joules, is to use an oven meat thermometer with no electronic components at all. Where the polarization of the source isn't constant (e.g., it is from a randomly polarized ion laser or from a multimode fiber), it is essential that the beamsplitter be polarization insensitive. www.repairfaq.org /sam/laserioi.htm   (19754 words)

Low Level Laser applications/Sales: Alternative medicine The laser probes 660 and 808 cold laser enhancer probes can be used for countless applications and are idealy suited for comfortable and effectively use in over 24 dental application. Some of these lasers are a single laser diode for acupuncture on animals or for the treatment of small areas, and others are clusters of lasers and LED’s designed to treat larger areas. Stimulating laser probes such as the 660 and 808 Laser Therapy Enhancer probes are also valuable additions to the health practitioners tool bag. www.healthiswealthmaui.com /Laser_Applications.html   (870 words)

Laser Applications - DermatologyTimes Atlanta - Two recent studies suggest that the 308nm excimer laser may be the first device effective in the treatment of hypopigmented facial scars, striae, and hypopigmentation caused by resurfacing with the CO2 laser. Orlando, Fla. ­ Wide acceptance of blepharoplasty performed with a carbon dioxide laser is due to the instrument's ability to allow the surgeon to incise tissue in an almost bloodless fashion, coagulate vessels, and ablate fat without clamping, David T. Harvey, M.D., F.A.A.D., F.A.C.P., said at the Florida Society of Dermatologic Surgeons meeting. New Orleans - Research studies using the excimer laser to treat vitiligo and psoriasis have confirmed the procedure to be effective and relatively safe. www.dermatologytimes.com /dermatologytimes/article/articleList.jsp?categoryId=746   (442 words)

Laser Technology Module 1 Hands-on activities include: laser safety, the five classes of lasers, measuring the output of a laser and other light sources, the effect of prisms and diffraction glasses, viewing the beam as it travels, laser security systems, laser leveling, photonics, optics, communications, fiber optics and fiber optic communications. Students will learn about the history of lasers, laser theory, how lasers are used in industry, communications, light, properties of light and a basic introduction to fiber optics. This Laser module is written using the new CD-ROM, Fundamentals of Laser Technology. www.slclasers.com /Pages/SLCWEBCAT03.html   (175 words)

Trotec Laser Engraving machines and Laser Engraving Applications Trotec is a recognized leader in delivering best-in-class laser solutions for a range of laser engraving needs, from laser glass engraving, to wood and leather engraving, and more. Trotec is one of the world's leading laser manufacturers, providing a full range of advanced CO2 and Nd:YAG lasers for all of your laser engraving, laser marking, and laser cutting needs. Trotec’s laser machines make it easy to add serial numbers, logos, and other imprints for laser marking on metals and other materials. www.troteclaser.com   (217 words)

Laser and Plasma Applications Group - Trinity College Dublin : Home Welcome to the Laser and Plasma Applications Group website. The main research activities of this group are focused on laser ablation of solids and pulsed laser deposition of thin films. James Lunney and currently has three research postgraduate students and two postdoctoral research fellows. www.tcd.ie /Physics/Laser-Plasma   (55 words)

Industrial Laser Solutions - Applications and Technology for Manufacturing March 15--As part of the Automotive Laser Application Workshop (ALAC) 2006, RoboLase is offering a laser system cost-of-ownership assessment... March 13--The Laser Institute of America has announced the first formal meeting of the Great Lakes Chapter on Tuesday, April 11, 2006. March 13--Industrial Laser Solutions is preparing its job shop buyers guide questionnaire, which will be mailed to North American industrial... ils.pennnet.com /home.cfm   (258 words)

Laser Innovations - Applications Home Coherent Lasers Life Science Stereolithography Literature Friends Resources Applications Customer List The information on this page is from the Laser Innovations website (www.laserinnovations.com) and is intended for the personal use of the customer only and may not be sold or transmitted to another party. Laser Innovations; 1150 E. Main Street; Santa Paula, CA 93060 www.laserinnovations.com /applications.htm   (73 words)

Association of Industrial Laser Users This site has been developed as a primary source of technical, product and service information about industrial lasers and their applications, plus news from the UK and international industrial laser community. The Association of Industrial Laser Users (AILU) is an independent non-profit making organisation that serves the needs and interests of the industrial laser community and helps people make the most of laser technology. Honouring individuals who are pioneers of the laser industry and www.ailu.org.uk /home.htm   (208 words)

Laser Application - Engraving, Cutting, Marking, Embossing, Architectual, Hobby, Commercial, Identity The Universal Laser Systems, Inc. Logo is a registered trademark. Laser Application - Engraving, Cutting, Marking, Embossing, Architectual, Hobby, Commercial, Identity Laser Marking Options For Use With Bare Metals www.ulsinc.com /english/laser_applications/laser_apps.html   (38 words)

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