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Characteristics And Applications of Helium-Neon Lasers

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by Laura Merrill on 10 December 2010

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Transcript of Characteristics And Applications of Helium-Neon Lasers

..Characteristics and Applications.. ..of helium-neon lasers.. The typical helium-neon laser has three parts : the laser tube, a high-voltage power supply, and structural packaging. In helium-neon lasers, the neon atoms are the source of laser light. Helium-neon lasers are versatile devices that have many useful applications. They are often found in integrated bar code readers (the hand-held bar code readers use red semiconductor lasers or red LEDs.) Because they can emit visible light, helium-neon lasers are used in laser surgery to position the powerful infrared cutting beams. Surveyors take advantage of the helium-neon laser's good beam quality to take precise measurements over long distances or across inaccessible terrain. Red helium-neon lasers are also used in holography. Helium-neon lasers have many useful applications. They are often found in bar code readers (the scanners you see them use at the checkout.) and they have red LED lights because they can emit visible light, helium-neon lasers are used in laser surgery to position the powerful infrared cutting beams. Surveyors take advantage of the helium-neon laser's good beam quality to take precise measurements over long distances or across areas you cant reach. Red helium-neon lasers are also used in holographic images. Helium-neon lasers have many useful applications., such as
Alignment
Metrology
Velocimetry
Cytometry
Confocal microscopy
DNA micro array analysis The lasers perform holgraphic images. alignment : arrangement in a straight line.
metrology : science for measurement.
velocimetry : calculates the speed of sound in water.
cytometry : use and study of microscopes.
DNA micro array analysis...
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