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Features of High power continuous fiber laser

Features of High power continuous fiber laser

  • Categories:fiber laser News
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  • Time of issue:2021-12-22 13:20
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(Summary description)The waveguide structure of the fiber determines that the fiber laser is easy to obtain single transverse mode output, and is less affected by external factors, and can achieve high-brightness laser output.

Features of High power continuous fiber laser

(Summary description)The waveguide structure of the fiber determines that the fiber laser is easy to obtain single transverse mode output, and is less affected by external factors, and can achieve high-brightness laser output.

  • Categories:fiber laser News
  • Author:
  • Origin:
  • Time of issue:2021-12-22 13:20
  • Views:
Information

1. The beam quality is good.
The waveguide structure of the fiber determines that the fiber laser is easy to obtain single transverse mode output, and is less affected by external factors, and can achieve high-brightness laser output.

High power continuous fiber laser

2. High efficiency.
High power continuous fiber laser can achieve high light-to-light conversion efficiency by selecting a semiconductor laser whose emission wavelength matches the absorption characteristics of doped rare earth elements as the pump source. For ytterbium-doped high-power fiber lasers, 915 nm or 975 nm semiconductor lasers are generally selected, which have a longer fluorescence lifetime and can effectively store energy to achieve high-power operation.

3. Good heat dissipation characteristics.
High power continuous fiber laser uses slender rare-earth element fiber as the laser gain medium. Its surface area to volume ratio is very large, about 1000 times that of solid bulk lasers, and it has natural advantages in heat dissipation.
In the case of medium and low power, special cooling of the fiber is not required. In the case of high power continuous fiber laser, water cooling is used to dissipate heat, which can also effectively avoid the reduction of beam quality and efficiency caused by thermal effects commonly seen in solid-state lasers.

4. Compact structure and high reliability.
Since the high power continuous fiber laser uses a small and flexible fiber as the laser gain medium, it is beneficial to compress the volume and save the cost. The pump source is also a semiconductor laser that is small in size and easy to be modularized. Commercial products can generally be output with pigtails. Combined with fiber Bragg gratings and other fiber-optic devices, as long as these devices are welded to each other, all-fiber lasers can be realized. High disturbance immunity and high stability save maintenance time and expense.
 

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