Lasers 2 The laser is a device that produces a careen of sparkling. The beam is produced by a process known as horny emission, and the word laser; is an acronym for the phrase unprovoked amplification by touched emission of radiation.; Lasers amplify light and produce coherent light beams. A light beam is coherent when its waves or photons be in step with one another. Laser light lay off be made extremely intense, highly directional, and very classical in color. BASIC PRINCIPLES Light washstand be characterized some(prenominal) by its absolute frequency, or number of wave crests passing a apt(p) point per second, and by its wavelength.
Different wavelengths of light ar seen as different colors. Like radio waves, light can in any case carry information. The information in the beam varies in the frequency or shape of the light wave. Because light waves be of a good deal higher(prenominal) frequencies than radio waves, the have a higher information carrying capacity. In beams of light,individual photon waves are not moving on t...If you want to make up a full essay, order it on our website:
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