Essays Tagged: "LASER"

Lasers

The LaserBefore we can learn about the laser we need to know a little bit aboutlight (since that is what ... , X rays, micro waves and gamma rays. Thewavelength of the light is important to the subject of the laser. A laser is madeup of COHERENT light, a special kind of light in which the wavelengths ofthe l ... light are all the same length, and the crests of these waves are all lined up,or in PHASE. The word Laser is an acronym for Light Amplification byStimulated Emission of Radiation. What does that mean? ...

(4 pages) 66 0 4.6 Feb/1996

Subjects: Science Essays > Physics

Hologram Essay

to an orange in thebackground -and it's all thanks to the special kind of lightwaves produced by a laser.'Normal' white light from the sun or a lightbulb is acombination of every colour of light in t ... every colour of light in the spectrum -a mush ofdifferent waves that's useless for holograms. But a laser shineslight in a thin, intense beam that's just one colour. That meanslaser light waves are un ...

(4 pages) 56 0 3.3 Feb/1997

Subjects: Science Essays > Physics

Laser, What its all about and made of

The LaserBefore we can learn about the laser we need to know a little bit aboutlight (since that is what ... , X rays, micro waves and gamma rays. Thewavelength of the light is important to the subject of the laser. A laser is madeup of COHERENT light, a special kind of light in which the wavelengths ofthe l ... light are all the same length, and the crests of these waves are all lined up,or in PHASE. The word Laser is an acronym for Light Amplification byStimulated Emission of Radiation. What does that mean? ...

(4 pages) 88 0 3.6 Apr/2002

Subjects: Science Essays > Technology

Fiber Optic Cable facts

hwayInformation (data and voice) is transmitted through the fiber digitally by the useof high speed LASERs (Light Amplification through the Simulated Emission ofRadiation) or LEDs (Light Emitting Diod ... TICSInformation (data and voice) is transmitted through the fiber digitally by the useof high speed LASERs (Light Amplification through the Simulated Emission ofRadiation) or LEDs (Light Emitting Diod ...

(5 pages) 126 0 2.0 Jan/1995

Subjects: Science Essays > Technology

Lasers

The laser is a device that a beam of light that is both scientifically and practically of great use beca ... it is coherent light. The beam is produced by a process known as stimulated emission, and the word 'laser' is an acronym for the phrase 'light amplification by stimulated emission of radiation.'Light ... andom short bursts. Even if the light is of a single frequency that statement would also be true. A laser is useful because it produces light that is not only of essentially a single frequency but als ...

(3 pages) 40 0 4.3 Feb/1997

Subjects: Science Essays > Computer Science

This is a A+ essay on Lazers.

does it through the "action of electrons changing orbits and releasing photons" (Bertolotti 51). A laser is a device that controls the way energized atoms release photons that had ever been seen befo ... ruby inside a powerful flash lamp" (Hecht) similar to the type used for high-speed photography. The laser age was born. Within a very short time, in addition to many more solid state materials, laser ...

(4 pages) 171 7 4.3 Nov/2003

Subjects: Science Essays > Physics

Bose Einstein Condensate

ed to many current physics experiments. It cost $50000 to $100000 only.To first cool the atoms down lasers are used to slow down the atoms, since the slower the atoms are the cooler they are, the lase ... the laser light can cool down an atom by bouncing off it with more energy than when it hits it. The lasers have to be tuned to a specific frequency for it to affect the atoms or it will not slow the a ...

(3 pages) 22 0 4.0 Feb/2004

Subjects: Science Essays > Physics

How does CD technology work?

g and 125 nanometers high (a nanometer is a billionth of a meter). The bumps are what the CD player laser reads when playing a CD, they are often refered to as pits but from the side the CD player rea ... ely controlled to rotate between 200 - 500 rpm, depending on what type of track is being played.The Laser and Lens system - It focuses in on and reads the data storing bumps.The Tracking Mechanism - T ...

(4 pages) 51 1 3.9 Mar/2004

Subjects: Science Essays > Physics

The Laser

Laser stands for Light Amplification by the Simulated Emission or Radiation. Lasers beams are rays o ... eams are rays of light of great intensity and absolute purity. Unlike other ordinary rays of light, laser beams exist at a single wavelength and can be reflected by carefully positioned mirrors so tha ... velength and can be reflected by carefully positioned mirrors so that the beam does not spread out. Lasers are also coherent meaning that when the light emerges from its source, the beams are almost p ...

(1 pages) 35 0 2.0 May/2004

Subjects: Science Essays

The Destructive Enemy. One of the stories i wrote. Got to do with Star Wars. Take a read!!!

I saw every moment of it. The red, bright laser blocked me from the most lethal fight between my superior master and the dark, deadly enemy. M ... t the deadly enemy. Each clash between the light sabers made me more and more anxious. I wanted the lasers to be turned off so I could make my move and kill the noxious enemy with the help of my maste ... enemy was revealed that he kill my master and started to loosen up and then started to wait for the laser to be switched off. I saw every drop of blood which poured of my dead master's body which made ...

(3 pages) 52 1 4.6 Jul/2004

Subjects: Literature Research Papers > Creative Writing > Poems & Short Stories

The Impact of the Lasers Technology on Society

Introduction:The name LASER is an acronym for Light Amplification by the Stimulated Emission of Radiation. In 1917, Albert ... lated Emission of Radiation. In 1917, Albert Einstein first theorized about the process which makes lasers possible called "Stimulated Emission." In this paper, we can view the impact of the lasers te ... gy on society from four perspectives: the strength, the weakness, the opportunity and the threat of Lasers Applications. To sum up, we will focus on the future of Lasers on society, assessing the real ...

(4 pages) 66 0 3.7 Nov/2004

Subjects: Science Essays

Business to Business Marketing. Industry: Laser Printer market

g plan describes the general course of action and recommendations for the marketing effort of Color Laser Printer. It describes about the opportunities in the printer market environment such as market ... egment that will be on hotel industry and product offering will be based on Xerox Phaser 7700 Color Laser Printer. It will also explain brand and product positioning, tactics strategies for Fuji Xerox ...

(19 pages) 309 0 4.0 Feb/2005

Subjects: Businesss Research Papers > Marketing

Lasik Vision Correction

ects of the procedure, and the impact is has upon society. Lasik is actually an acronym for "laser-assisted in situ keratomileusis" and is the most commonly performed refractive surgery procedu ... olds the flap back out of the way, and then removes some corneal tissue underneath using an excimer laser. The excimer laser uses an ultraviolet light beam to precisely remove very tiny bits of tissue ...

(2 pages) 52 0 5.0 Jun/2005

Subjects: Humanities Essays > Health & Medicine

Modern Communication - Fiber Optics.

The best way to communicate over long distance is using lasers sent through optical fibers. A laser beam is electromagnetic radiation of a single wavelength ... s, the electrical signals that start out over cooper wires are changed into pulses of light by tiny lasers. The signals then can travel over long distances. Optical fibers are smaller than the traditi ... in hand-held light toys which function on the same concept as the ones that carry electronic info. Laser beams sent through optical fibers is a very positive addition to the communication empire.

(1 pages) 442 0 0.0 Oct/2005

Subjects: Science Essays > Physics

Lasers: death rays or miracle breakthroughs?

Lasers can now improve health and personal appearance. They can erase wrinkles, scars, and smooth fi ... ions on skin, broken blood vessels, and unwanted hair. Mild or moderate acne can also be treated by lasers. One of the most common uses is laser eye surgery. The lasers sculpt the surface of the corne ... that "Americans spend an estimated $13 billion a year on vision care" (Palmer 14). One drawback to laser eye surgery is that it may not work and leave vision wore than before. Laser surgery can also ...

(3 pages) 11 1 0.0 Sep/2006

Subjects: Science Essays > Technology

Lasers

LASERS Gordon Gould is the inventor of the Laser. He came up with the name LASER (Light Amplificatio ... e up with the name LASER (Light Amplification by Stimulated Emission of Radiation). He invented the laser in 1957 but failed to get a patent. He had everything written in his notebooks and had it nota ... s the way to make amplified light. Another scientist Theodore Maiman was the first to demonstrate a laser. He applied for the patent and got it even though it was Gordon Gould's idea. Gould didn't thi ...

(3 pages) 413 0 0.0 Apr/2001

Subjects: Science Essays > Chemistry

Lasers

****Nerdy teachers will eat up this opening**** LASERS Buck Rogers steps off his rocket and is met by hostile aliens, which he must fend off with hi ... on the CD deck. What do all of these things listed have in common with each other? They all involve LASERs. LASERs (Light Amplification by Stimulated Emission of Radiation) have become a growin ... by Stimulated Emission of Radiation) have become a growing part of our lives. A policeman can use a LASER to track the speed of an automobile and then he can use one to determine the blood/alcohol lev ...

(9 pages) 9 0 0.0 Nov/2001

Subjects: Science Essays > Chemistry

Machining Technology         While machining has gradually changed over the many

educed. The technology has progressed even more since the invention of the water jet and the laser. The laser is the most recent and versatile machine on the market presently.It is used to cut ... choice over conventional cutting methods. There is almost no limit to the cutting path; the laser can move in any direction unlike other processes that use knifes or saws. Even very flimsy par ...

(1 pages) 394 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Machining Technology         While machining has gradually changed over the many

educed. The technology has progressed even more since the invention of the water jet and the laser. The laser is the most recent and versatile machine on the market presently.It is used to cut ... choice over conventional cutting methods. There is almost no limit to the cutting path; the laser can move in any direction unlike other processes that use knifes or saws. Even very flimsy par ...

(1 pages) 440 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Lasers of the 60's

Lasers of the 60'sWhat is Hotter than the sun, finer than a needle, that pierces diamonds, repairs e ... he sun, finer than a needle, that pierces diamonds, repairs eyes and kills cancers. Give up it is a laser. Although in sci-fi movies they are used as weapons they are used for good. My research essay ... Although in sci-fi movies they are used as weapons they are used for good. My research essay is on lasers. Lasers are important because lasers help in the medical field. It helps with therapy. It als ...

(5 pages) 2428 0 0.0 Apr/2010

Subjects: Science Essays > Physics