Fiber lasers have become a hot topic in laser physics research in recent years, and it has been agreed that it is possible to fully replace a new generation of solid-state lasers. Fiber lasers refer to lasers doped with rare earth element glass fiber as a gain medium. Fiber lasers can be developed on the basis of fiber amplifiers. In the case of pump light, fiber is easy to form high power density, resulting in laser working material Energy level “number of particles inversion”, when appropriate to join the positive feedback loop (constitute the resonant cavity) can form a laser oscillation output. Fiber laser marking machine is the use of laser beam in a variety of different material surface marked with a permanent mark. The effect of marking is to expose the deep material through the evaporation of the surface material, or to “mark” the trace by the chemical and physical changes of the surface material, or by burning some of the material by light. Patterns, text, bar code and other graphics.
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