Lasers Essay Research Paper OutlineI IntroductionII Science

Lasers Essay, Research Paper

Outline

I. Introduction

II. Science Research

III. Manufacturing

a) Large Equipment

b) Computer Chips

c) Plastic and Cardboard

IV. Mining

V. Communication

VI. Photography

VII. Medicine

a) Eye Surgery

b) Plastic Surgery

c) General Surgery

d) Dental

VIII. Military

a) Missile Guidance System

b) Laser Sights

c) Nuclear Warheads

IX. Conclusion

Introduction

Laser is an acronym for light amplification by stimulated emission of radiation. Lasers are devices that amplify light and produce consistent light beams that range from infrared to ultraviolet. There are many different types of lasers: solid state, gas, semiconductor, liquid, and free electron lasers.

There is only one restriction on a laser and that is the human being. We have not yet found everything that a laser can do. Lasers have revolutionized many fields such as science research, manufacturing, communication, photography, medicine and military applications. In this report, I will provide proof that lasers were one of the greatest advancements in physics.

Science Research

Lasers have transformed chemistry research. Scientists use lasers to study the structure of atoms and molecules. They also use them to determine how their properties change under different conditions. Scientists can make new compounds, break down elements, and remove impurities from compounds.

Manufacturing

Manufacturers of large equipment, computer chips, plastics and cardboard have all seen the changes that lasers have brought to their different industries.

Manufactures of large equipment use lasers for precision drilling and cutting by vaporizing the unwanted material (ex. where the hole is). This technique is used for hard materials such as steel and diamonds. There is less waste by-products when using lasers because it vaporizes the material. This saves companies time and money because they do not have to shut down to clean up, retool the machine or to have tools sharpened. It has also made it safer for the workers because they can be in a separate room out of the danger. These lasers can do precision welding. It does not make the metal hot like a conventional acetylene torch therefore it does not weaken metal.

Warehouses where plastic, cardboard and heavy fabrics are produced use lasers to cut quickly and accurately through the sheets of materials. This cuts down on the cost of manufacturing because a laser never gets dull.

Computer manufacturers use lasers to treat semiconductor chips. They also use the laser to do precision welding in glass tubes such as resistors, diodes, transistors, and many other microchips. This has enabled computer companies to decrease the size of the computer and increase the processing speed of the computer.

Mining

Another area in industry where lasers are used is mining. They use the laser to precision digging and drilling. Mine safety people use lasers to test shafts in the mine for cracks. The laser shoots the beams in all directions and from that a computer can tell the size, shape, and if there are any cracks in the tunnel or digging area. This is a very valuable tool because it cuts down on the chance of an accident.

Communication

The laser has revolutionized communication. Because of the high frequency of laser light it can carry approximately 1000 times the TV channels as carried by microwaves. This makes lasers the ideal tool for space communication. Lasers are now being used for communication on earth such as telephones and computer systems. This is made possible by low-loss optical fibers also known as fiber optics. With use of fiber optics, signals can be sent up to 100 kilometers before you need a signal booster compared to the current system where you needed a signal booster every 1.5 kilometers.

Photography

Lasers can produce a type of three-dimensional image called holograms. Holograms are made by exposing laser light to a piece of film. The object that is being holographed strews the laser light. The piece of film being holographed is also being exposed to light coming directly from the laser this is the reference beam. These two beams of laser light become disharmonious with on another because they are traveling from different paths. The film then records the interference pattern, between the two light beams, which is the hologram. To view the hologram you simply pass a beam of light through the film and it

diffracts due to the interference pattern on the film and reproduces the original image.

Medicine

Lasers have advanced medicine in so many different ways from eye surgery to plastic surgery. Doctors are always finding new ways that lasers can be used to make procedures easier to perform and to shorten the length of the procedure and easier on the patient in terms of recovery time.

Many private companies are using lasers to correct vision problems. Lasik (laser-In-Situ Keratomileusis) is the most common technique for correcting the near-sighted condition. The procedure takes about five to ten minutes per eye depending upon how bad the eyesight of the person is. If the surgery is successful you should

Внимание, отключите Adblock

Вы посетили наш сайт со включенным блокировщиком рекламы!
Ссылка для скачивания станет доступной сразу после отключения Adblock!

Скачать