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Advantages And Disadvantages Of YAG And CO2 Laser

Shenzhen MG Technology Co.,Ltd | Updated: May 13, 2016

YAG laser has many good properties different from CO2 laser:


1.YAG laser output wavelength for 1.06um and than CO2 laser wavelength 10.06 mu m an order of magnitude smaller, and the coupling efficiency of the metal high, processing performance is good (a 800W YAG laser effective power equivalent to 3KW CO2 laser power);


2.YAG laser can be coupled with the optical fiber, with the aid of time division and power division multiplexing system, it can be convenient to transmit a laser beam to a plurality of station or remote station, which is easy to realize;


3.YAG laser pulse and continuous two ways to work, the pulse output can be obtained by adjusting the Q and the mode locking technology to obtain short pulses and ultra short pulses, so that its processing range than CO2 laser;


4.YAG laser has the advantages of compact structure, light weight, simple and reliable use, and low maintenance requirement.


The main disadvantage of YAG laser is:


1.The conversion efficiency is low, the efficiency is only 1-3%, than CO2 laser is about one order of magnitude lower;


2.In the process of working, the YAG laser rod has an internal temperature gradient, which can cause the thermal stress and thermal lens effect, which limits the average power and beam quality of YAG laser;


3.The cost of cost per watt CO2 laser output power of YAG laser is expensive.

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