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Let Us Tell You The Principle of Fiber Laser Machine
2017-05-16
Fiber laser machine mainly composed of pump source, coupler, rare earth doped fiber, resonator and other components. The pump source is made up of one or more high-power laser diode arrays, and the pump light emitted by the pump is coupled to the rare earth element as a gain medium by a special pump structure. The photons are doped at the pump wavelength. The number of particles inversion, the stimulated emission of light through the resonator cavity to the feedback and oscillation to form laser output.
Fiber laser based fiber as the waveguide medium, high coupling efficiency, easy to form a high power density, good heat dissipation, without a large cooling system, with high conversion efficiency, low threshold, good beam quality and narrow linewidth and so on.
