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LASER Seminar Presentation (Read 97 times)

nidhi

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LASER Seminar Presentation
March 24, 2017, 04:29:43 PM
LASER
LASER means for Light Amplification by Stimulated Emission of Radiation. Laser is a beam of monochromatic, highly directions and coherent rays which carry a lot of energy. This makes it hazardous. It causes corneal or retinal burns (or both), skin burns etc. Moreover It requires hazardous or toxic substances and high voltages to operate that can be lethal. American National Standards Institute’s (ANSI) Z136.1 has classified it into class1, class2, class3a, class3b and class 4 on the basis of the safety standards and the hazards it causes. Lasers are widely used in manufacturing for welding, cutting, drilling, , cladding, soldering etc. This is also used in wide range of medical applications such as surgery exploiting the possibility to cut tissues causing minimal bleeding, eye surgery and vision correction (LASIK), dentistry, dermatology and various kinds of cosmetic treatment such as hair removal, tattoo removal etc. Military Applications uses high-power lasers as directed energy weapons on the battle field [/COLOR]for destroying missiles, projectiles and mines.
« Last Edit: March 24, 2017, 04:46:06 PM by projectsgeeks »