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The Uses Of Lasers And About Lasers

774 words - 3 pages

The LaserThe laser is one of the most advanced tools we have in ourcivilization. Lasers are powerful enough to cut through a thick piece ofsteel, yet can be used in medical surgery. Lasers are used in the army,not for guns, for range finding and a whole lot more.Most people don't know where the idea of the laser came from. Theidea for the laser came from a machine called a maser. The maser was a toolthat was able to strengthen, or amplify radio and light waves. The firstlaser was made in California in 1960. It was built by Theodore Maiman anda group of American scientists. The material they used for a concentratorwas a man- made ruby. It was done by coiling a simple flash tube around arod, and beaming powerful flashes of light at it. The result was pulses ofred laser light. Once they made the device they had to name it. They hadthink of some word or words to described it. They came up with LightAmplification by Stimulated Emission of Radiation. Using the first letterof each main word they named it laser. The laser had everyone excited.The laser was put through many tests and experiments to see what itcould do to help modern civilization. At first there weren't many uses forthe laser. Then in the 1970's it became very important. It was finallybeing used in everyday life. As years went on the uses grew in number.Today lasers were being used in a variety of ways. This includesentertainment, military, communication, businesses, measurement, cutting,and more.Measurement: Lasers have become an important part of measurement. A laseris the fastest way to measure long distances. This use can be applied inconstruction work and astronomy.Cutting: A laser is also great for cutting objects. It can get to thosehard to reach places by the use of mirrors to bend the beam of light. Italso is strong enough to cut through solid steel. A laser never damagesthe surface of the object because it never touches it. Lasers have beenused in both large and small surgical procedures. It is used by jewelersto cut diamonds, gold, silver, platinum, ect. It is also used incorporations in which cutting metal or fine cutting is involved.Communication: The way the laser is used in the field of communication isthrough fiber optics. Fiber optics are glass rods in which a laser...

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