A variety of Lasers.

The chief kinds of lasers are solid state lasers, gas lasers and liquid lasers. A great, liquid, gas or semiconductor can act whilst the laser medium.

Solid state lasers are produced with hard materials like garnet or ruby. Solid state lasers are employed for detecting ecological pollution, in scientific researches and a great many other applications. Solid state lasers have laser emitting materials arranged in solid matrix. Examples for solid state lasers will be the ruby or neodymium-Yttrium Aluminum Garnet (YAG) lasers. The lasing materials are pumped with flashlights, making the laser give either pulsed or continuous beam of light.

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Gas lasers are lasers where an electric current is passed through a gas to produce light. In the first days gas lasers used a mix of helium and neon with carbon dioxide. At present gas lasers can use more strong and volatile mediums like hydrogen and fluorine. Gas lasers have great military applications. The cutting of hard materials becomes easy through gas lasers.

Liquid lasers or dye lasers take advantage of liquid organic dyes. These emit a broad, continuous array of colors, mainly in the visible area of the spectrum. Dye lasers are excellent for applications where a certain color is required Certified Lasers. Another laser source such as for example copper vapor laser can be used to excite the dye. Liquid lasers may be tuned over a broad array of wavelengths.

Excimer lasers are generated by utilizing gases like fluorine and chlorine in conjunction with other gases such as for example krypton, argon or xenon. Excimer lasers are very useful for the medical profession. To regulate the wavelength of the lasers compound natural dyes are utilized extensively.

Semiconductor lasers are generally really small devices and use only low power. Semiconductor lasers will also be referred to as diode lasers. The writing sources in some CD players and in some laser printers are examples for this. Semiconductor lasers are very useful for electronic devices like CD players, laser printers etc.

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