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How high power continuous fiber laser works

How high power continuous fiber laser works

  • Categories:fiber laser News
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  • Time of issue:2021-12-15 13:18
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(Summary description)High power continuous fiber laser refers to a laser that uses rare earth element-doped glass fiber as a gain medium. Fiber lasers can be developed on the basis of fiber amplifiers: under the action of pump light, high power density is easily formed in the fiber, causing the laser to work.

How high power continuous fiber laser works

(Summary description)High power continuous fiber laser refers to a laser that uses rare earth element-doped glass fiber as a gain medium. Fiber lasers can be developed on the basis of fiber amplifiers: under the action of pump light, high power density is easily formed in the fiber, causing the laser to work.

  • Categories:fiber laser News
  • Author:
  • Origin:
  • Time of issue:2021-12-15 13:18
  • Views:
Information

High power continuous fiber laser refers to a laser that uses rare earth element-doped glass fiber as a gain medium. Fiber lasers can be developed on the basis of fiber amplifiers: under the action of pump light, high power density is easily formed in the fiber, causing the laser to work. The laser energy level of the material is "number inversion", and when a positive feedback loop is properly added, the laser oscillation output can be formed.

High power continuous fiber laser

High power continuous fiber laser has a very wide range of applications, including laser optical fiber communication, laser space telecommunication, industrial shipbuilding, automobile manufacturing, laser engraving, laser marking, laser cutting, printing rollers, metal non-metal drilling/cutting/welding (copper Welding, quenching, cladding and deep welding), military defense and security, medical equipment and equipment, large infrastructure, as a pump source for other lasers, etc.

In the high power continuous fiber laser, the pump light emitted by the pump source is coupled into the gain medium through a mirror. Since the gain medium is a rare-earth element-doped fiber, the pump light is absorbed, and the rare-earth ion energy level that absorbs the photon energy is generated. Transition and realize particle number inversion. The inverted particles pass through the resonator, transition from the excited state back to the ground state, release energy, and form a stable laser output.

The working principle of high power continuous fiber laser is mainly based on the special structure of fiber laser. The laser is composed of three parts: working material, pump source and resonator. The specific functions are as follows:

1. The gain fiber is the gain medium that generates photons.
2. The function of the pump light is to use the external energy to make the gain medium achieve population inversion, that is, the pump source.
3. The optical resonator is composed of two mirrors, and the function is to make the photons get feedback and amplify in the working medium.

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