Laser cutting machine ,as we all know ,it is a machine work for cutting ,different from other type cutting machine ,laser cutting machine use laser cutting .This machine has many advantages :better cutting quality ,quickier cutting speed ,safer cutting operation and etc ,so more and more factories choose laser cutting for different applications:textile,fabric,leather,acrylic,metal ,wood and so on .
Laser cutting machines are divided into two types:CO2 laser cutting machine and fiber laser cutting machine .Do you know how those laser cutting machine work ?In last news,I have told you how CO2 laser cutting machine work ,today , I will tell you how fiber laser cutting machine work .
Fiber laser machine is a laser in which the active gain medium is an optical fiber doped with rare-earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, thulium and holmium. They are related to doped fiber amplifiers, which provide light amplification without lasing. Fiber nonlinearities, such as stimulated Raman scattering or four-wave mixing can also provide gain and thus serve as gain media for a fiber laser.
Widely applications of fiber laser cutting machine,do you know how fiber laser cutting machine work ?
Efficiency is good, but the energy not producing coherent laser light must be dissipated with a cooling system, placing a practical limit on the amount of power a commercial cutting of welding device can use. Fiber lasers use optical fibers, “pumped” with diodes to create solid state laser cutting machines with far fewer components and no gas consumables, lowering operating costs. They also convert pumped energy into laser light at up to twice the efficiency of gas lasers and typically use half the power. The wavelength of light emitted by fiber lasers is also shorter than CO2, typically 1 um, with a very small focal diameter, offering high intensity heating that can be an order of magnitude higher than CO2 technology at similar power levels. They can also cut highly reflective materials such as brass or aluminum, which could damage the optics in a CO2 machine.
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