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A detailed explanation of the types and applications of lasers

  21 Jul , 2020         Chris         8539

Laser is widely used in all walks of life because of its extremely advantageous characteristics, including sheet metal cutting, industrial manufacturing, food medical, aerospace and so on

Laser is widely used in all walks of life because of its extremely advantageous characteristics, including sheet metal cutting, industrial manufacturing, food medical, aerospace and so on.With the development of high-tech manufacturing industry represented by new energy vehicles, laser technology has gained a broader space to play.

 

At present, fiber laser plays an important role in industrial processing, especially in high power laser processing.Different types of lasers have different characteristics, so their applicability in different industries is different.
 


(1) Lasers can be divided into gas lasers according to working substances, including CO2 lasers, HE-NE lasers, etc.Liquid laser with liquid dye as pump source;Solid state laser, Nd: YAG, Nd: YVO4, Yb: YLP, etc.Semiconductor lasers and so on.According to the working mode, it can be divided into continuous laser and pulse laser.From the basic working principle, all kinds of lasers are similar, including pump source, optical resonator and gain medium.

 

(2) In terms of laser marking, the commonly used lasers are YAG lamp-pumped solid-state laser, side-pumped solid-state laser, end-pumped solid-state laser, optical fiber laser and CO2 laser.In terms of marking processing, many lasers are competent in this respect because of the low processing depth and intensity.Side pumps and end pumps are mainly in the direction of the pump.


(3)CO2 laser is a gas laser with a wavelength of 10.6 micron in far-infrared optical frequency band. CO2 gas is used as pumping medium.This, coupled with a high voltage, creates a self-excited conduction in the rarefied gas, which in turn causes the gas molecules to emit a laser.

 

Laser technology in industry application is very extensive, in daily life can also see many similar products, such as buying goods at ordinary times, see mark, clothing accessories accessories and many are laser processing and become, common CD/DVD before, work often used in laser printers, laser anti-counterfeit marking, shopping payment salesman with barcode scanner and so on.
 

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