Light is electromagnetic waves, as well as radio waves, light waves, so may be used as a carrier brings the news to communicate, as well as the use of radio and television waves, sound and image carriers apply. Note that the light can not be used by object a light carrier, because these waves with multiple frequency and phase. At present, we have a generator, which is a laser light source, light house at the adidas. There were those who experiment with video and audio signal laser combinations. In addition to the use of communication. The laser is also used in various circles extensively, such as medical. Used in surgery, eyes, etc. LASER, which stands Light Amplification by Stimulated Emission of Radiation, because lasers are electromagnetic waves, the radiation emissions from a pushy and expanded tube Kaew and light signals with tubes made of metal with a high melting point, such as a tungsten tube Kaew almost vacuum Interior. Electric current through the tube to make the filling tube filling is hot and the light emitting out. The principle of laser light The fundamental principle that the key to cause the laser beam.1. make the reciprocal population phenomenon.2. the causes of the swing-kwat, laser. This process uses a laser mirror Rooms are acting as change a light or light. Infrastructure of laser generatorLaser Generator with 3 important elements:1. the intermediate material must include a laser stimulation, laser emissions can be solid, liquid, gas, or a semiconductor.2. change room are light.3. origin energy.
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