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Topic: Laser


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In the News (Sun 20 Jan 19)

  
  Laser Hair Removal
Laser devices suitable for tattoo removal range from single wavelength of light to broad light spectrums.
This laser treatment to remove tattoo’s is similar to what was being done since years to treat birthmarks.
Lasers are suitable for resurfacing of the skin but it is certainly not a substitute for a facelift surgery or baggy eyelid surgery.
www.lasers-hair-removal.info   (2707 words)

  
 Quantum properties of light
The achievement of a significant population inversion in atomic or molecular energy states is a precondition for laser action.
An ordinary laboratory helium-neon laser can be swept around the room and the red spot on the back wall seems about the same size at that on a nearby wall.
The high degree of collimation arises from the fact that the cavity of the laser has very nearly parallel front and back mirrors which constrain the final laser beam to a path which is perpendicular to those mirrors.
hyperphysics.phy-astr.gsu.edu /hbase/optmod/qualig.html   (838 words)

  
 Howstuffworks "How Lasers Work"
Optics is the study of the properties and behavior of light.
In this article, you'll learn all about the different types of lasers, their different wavelengths and the uses to which we put them.
The DUAL laser pointer with red and green laser wavelength,this is the best arborist or astronomy educational tool you've seen.
www.howstuffworks.com /laser.htm   (319 words)

  
 Laser Hair Removal
American Laser Centers is dedicated to researching, finding and using the latest laser hair removal technologies and techniques.
Through extensive research, we have developed an exclusive laser hair removal protocol that is incredibly safe, amazingly effective, completely non-invasive and painless, even on very large areas.
We ensure that every laser hair removal treatment you receive is specially tailored to you and your skin type, hair type, genetic factors, even your family history: there's more to successful laser hair removal than just turning on a machine.
www.americanlaser.com   (363 words)

  
  Barcode Scanners - Laser & Wireless by Wasp Barcode Technologies
Our family of laser barcode scanners, wireless barcode scanners, CCD barcode scanners, and point-of-sale barcode scanners are designed to meet the needs of almost every application.
Our powerful laser barcode scanners are crafted for precision and ideal for demanding applications.
The range of barcode scanners and portable data terminals includes: wireless barcode scanners, CCD barcode scanners, laser barcode scanners, pen-style barcode scanners and ruggedized barcode scanners.
www.waspbarcode.com /scanners   (1483 words)

  
  Laser Facts
Lasers are used for a growing number of cosmetic procedures including hair removal, treatment of wrinkles, and tooth whitening.
The laser is used to reshape the cornea and focus images correctly on the retina.
Biostimulation lasers, also called low level laser therapy (LLLT), cold lasers, soft lasers, or laser acupuncture devices, were cleared for marketing by FDA through the Premarket Notification/510(k) process as adjunctive devices for the temporary relief of pain.
www.fda.gov /cdrh/consumer/laserfacts.html   (1365 words)

  
 What Is a Laser?
The word laser is an acronym for light amplification by stimulated emission of radiation, although common usage today is to use the word as a noun -- laser -- rather than as an acronym -- LASER.
In a ruby laser, light from the flash lamp, in what is called "optical pumping", excites the molecules in the ruby rod, and they bounce back and forth between two mirrors until coherent light escapes from the cavity.
Lasers are widely used in industry for cutting and boring metals and other materials, in medicine for surgery, and in communications, scientific research, and holography.
www.bell-labs.com /history/laser/laser_def.html   (404 words)

  
  Skin Resurfacing
In laser resurfacing, sometimes called "laser peel," a carbon dioxide (CO2) laser is used to remove areas of damaged or wrinkled skin, layer by layer.
Laser resurfacing is performed using a beam of laser energy which vaporizes the upper layers of damaged skin at specific and controlled levels of penetration.
Laser resurfacing may be performed in a hospital, an outpatient surgery center or a surgeon's office-based facility.
www.plasticsurgery.org /public_education/procedures/SkinResurfacing.cfm   (1993 words)

  
  Laser - Wikipedia, the free encyclopedia
A dye laser used at the Starfire Optical Range for LIDAR and laser guide star experiments is tuned to the sodium D line and used to excite sodium atoms in the upper atmosphere.
The laser was proposed as a variation of the maser principle in the late 1950s, and the first laser was demonstrated in 1960.
In 1916, Albert Einstein laid the foundation for the invention of the laser and its predecessor, the maser, in a ground-breaking rederivation of Max Planck's law of radiation based on the concepts of spontaneous and induced emission.
en.wikipedia.org /wiki/Laser   (4881 words)

  
 Laser (dinghy) - Wikipedia, the free encyclopedia
The Laser became a men's Olympic-class boat in 1996, and a special Olympic edition of the boat was released that year in commemoration.
The Laser is 4.23 metres long (13 ft 10.5 in) long, with a waterline length of 3.81 m (12.5 ft).
The Laser has 3 control lines (excluding the main sheet) from which the helmsman can adjust the rig, these are the outhaul, the boom vang and the cunningham (forward luff tensioner).
en.wikipedia.org /wiki/Laser_(dinghy)   (2108 words)

  
 Laser Surgery in Otolaryngology
Otolaryngologists use laser systems for excising skin tumors, cancers, birthmarks and other disorders of the head and neck: Problems of the voice box, throat, mouth, nose and ear may be amenable to different laser treatments.
In another instance, laser surgery might be performed to remove the stapes from the middle ear for treatment of otosclerosis.
Lasers may be used also for cosmetic and reconstructive surgery of the face, eyes, ears and nose.
www.entassociates.com /lasers.htm   (701 words)

  
 Laser   (Site not responding. Last check: )
Treatment with a laser varies from one patient to another depending on the type of lesion, size of the affected area, the color of the skin around the lesion, and the depth to which the lesion extends beneath the skin's surface.
Laser treatments impair the growth capacity of hair follicles when they are in growth cycle at the time of the treatment.
Laser skin resurfacing is preformed by carefully controlling the interaction between the laser energy and the skin, thereby smoothing the skin as well as eliminating the bleeding and potential scarring associated with conventional surgical methods.
www.ocwellness.com /laser.htm   (2599 words)

  
 What is laser printer? - A Word Definition From the Webopedia Computer Dictionary   (Site not responding. Last check: )
In addition to the standard monochrome laser printer, which uses a single toner, there also exist color laser printers that use four toners to print in full color.
Color laser printers tend to be about five to ten times as expensive as their monochrome siblings.
Laser printers produce very high-quality print and are capable of printing an almost unlimited variety of fonts.
www.webopedia.com /TERM/l/laser_printer.html   (955 words)

  
 Lasers   (Site not responding. Last check: )
Lasers are used to cut precise patterns in glass and metal, to reshape corneas to correct poor vision, and to provide intense heat in controlled fusion experiments.
But we also use lasers as very precise light sources in supermarket checkout lines, CD players, and to transmit most telephone signals.
Because it is so orderly we can control laser light extremely well, and that is why we can use it to do so many things.
www.colorado.edu /physics/2000/lasers/index.html   (231 words)

  
 Inside Laserium
Laserium, and indeed the laser light show itself, was born in the late 60's and early 1970's.
In laser light, the waves are very precisely aligned, crest to crest, trough to trough, and they only occur at a few specific frequencies.
Laser guided missiles follow a spot of laser light placed on the target by a soldier on the ground, or from a plane in the air.
www.laserium.com /Inside.html   (2875 words)

  
 laser - a definition from Whatis.com
The output of a laser is a coherent
As a result of pumping, an electromagnetic field appears inside the laser cavity at the natural (resonant) frequency of the atoms of the material that fills the cavity.
Lasers are one of the most significant inventions developed during the 20th century.
whatis.techtarget.com /definition/0,,sid9_gci214527,00.html   (471 words)

  
 Laser   (Site not responding. Last check: )
The laser system can be further divided into the laser, where the coherent radiation is generated, and the optical system that takes the beam from the laser to the output aperture where the beam enters the propagation medium.
A laser operates in the infrared, visible and ultraviolet regions of the electromagnetic spectrum, from one millimeter to 100 nanometers in wavelength.
The challenge to understanding laser devices is to consider that the entire system, which consists of the laser device and its supporting systems on a space-based platform, its beam through space or air to impact on a target of some sort, and its ability to influence that target in some way.
www.au.af.mil /au/awc/awcgate/cst/occppr02.htm   (14292 words)

  
 Insight
The laser could have tremendous repercussions on the battlefield, particularly in urban warfare in such countries as Afghanistan and Iraq.
By 2007, Boeing plans to install the laser on the aircraft and operate the weapon during flight.
The laser, designed to be fired through an existing 50-inch-diameter hole in the aircraft's belly, would be demonstrated for military missions.
www.insightmag.com /Media/MediaManager/laser.htm   (382 words)

  
 Green Laser Pointer from Wicked Lasers.
Wicked Lasers' mission is to invent and deliver the future of laser technology to consumers and military clients today.
A Wicked Lasers Pulsar™ red laser pointer (which is exactly the same size and uses the same batteries) will laze a visible red laser beam for over 100 miles.
Blue laser technology is the most challenging wavelength to develop in the photonics industry.
www.wickedlasers.com   (553 words)

  
 Airborne Laser
The laser operates at an infrared wavelength of 1.315 microns, which is invisible to the eye.
Atmospheric turbulence, which weakens and scatters the laser's beam, is produced by fluctuations in air temperature [the same phenomenon that causes stars to twinkle].
The Airborne Laser - A Revolution in Military Affairs Gerald W Wirsig; Diane Fischer (Faculty Advisor) Air Command and Staff College 1997 - The method of employment and the portion of the theater missile defense mission to be performed by the ABL are yet to be determined.
www.fas.org /spp/starwars/program/abl.htm   (1598 words)

  
 Laser Kombat
You accomplish this mission by firing your laser and manipulating the wide variety of objects in your environment.
The setup program for Laser Kombat, laser_kombat_setup.exe, is only 1.53 MB, so downloading is quick and painless.
Laser Kombat is Free software, so there is no charge for using it and you may copy and redistribute it as much as you like.
www.olympus.net /personal/dewey/laser   (320 words)

  
 Laser Resurfacing   (Site not responding. Last check: )
Laser resurfacing is a relatively new treatment for reducing facial wrinkles and skin irregularities, such as blemishes or acne scars.
Laser skin resurfacing removes skin very precisely, layer by layer, resulting in fewer problems with hypopigmentation (lightening of skin).
Each laser vaporizes superficial, damaged skin cells and both reduce the risk for the patient because they limit the amount of heat absorbed by the skin.
www.medicinenet.com /laser_resurfacing/article.htm   (377 words)

  
 Laser - Little Arcade System Emulator Releases   (Site not responding. Last check: )
Laser is once again a single-person project as ss_teven can no longer work on Laser.
I wish ss_teven all the best in his life, and if he ever does decide to come back to Laser, there will be a warm cozy seat waiting for him.
Ss_teven has made a new layout for Laser that is better than anything that I have ever done, so please head over to Laser's SourceForge Page, as Laser will be moving over there permanantly soon.
www.emucamp.com /laser   (181 words)

  
 ILCA-NA Class Website
Mike Leigh wins in the Lasers and Anna Tunnicliffe finishes second in the Radials at the 40th French Olympic Week in Hyeres.
Also, in the Lasers, David Wright finishes ninth and Andrew Campbell 15th, in the Radials Paige Railey finishes 9th.
The system for the Senior Lasers and Women's Radials has now been finalized.
www.laser.org   (255 words)

  
 Center for Adaptive Optics | Newsletter vol. 2
Operators were very satisfied with the brightness of the laser guide star spot at the 100-km altitude of the sodium layer and the fact that the low-altitude laser beam emission (due to Rayleigh scattering) was at the low level predicted.
Plans to further optimize the laser and to fully integrate the laser guide star with the Keck II adaptive optics system are proceeding.
The laser creates a “virtual” star high above the Earth’s surface, which is not visible to the human eye, but is bright enough to guide high resolution adaptive optics at Keck.
cfao.ucolick.org /pubs/newsletters/02/firstlight.shtml   (328 words)

  
 MedlinePlus: Laser Eye Surgery
For many people, laser eye surgery can correct their vision so they no longer need glasses or contact lenses.
Laser eye surgery reshapes the cornea, the clear front part of the eye.
Article: Comparison of the corneal response to laser in situ keratomileusis...
www.nlm.nih.gov /medlineplus/lasereyesurgery.html   (206 words)

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