The all-fiber laser has many notable features and its advantages are as follows!

by:Caodahai     2021-09-12
1) The surface area/volume ratio of the gain medium is large. Fiber lasers use optical fibers as the gain medium, which has a large surface area/volume ratio, which makes it have very good heat dissipation performance. Therefore, even for very high-power fiber lasers, the gain medium is It will not be damaged by heat, and there is generally no need to take special heat dissipation measures for the gain medium. For other types of lasers, the heat dissipation of the gain medium needs to be considered. Therefore, this feature is unique to fiber lasers. 2) Excellent dual-waveguide confinement mechanism. The high-power all-fiber laser adopts double-clad active fiber. This double-clad fiber is a double-waveguide structure. The high-power multimode pump light is limited to a larger diameter inner envelope. The transmission in the layer provides conditions for the use of high-power and inexpensive multi-mode pump light. The signal laser is generated and transmitted in a core with a small diameter and a circularly symmetric waveguide structure. Under the limitation of a small-diameter core waveguide, The signal laser can obtain ideal beam quality and extremely small spot diameter. This is an important feature of all-fiber lasers that are uniquely attractive. Among high-power lasers, there is no laser that can surpass it. Excellent beam quality and extremely small light spot diameter are of great significance in laser applications, which can make the optical system of subsequent application equipment such as fiber laser cutting machines simpler, smaller in size, longer working distance, and more focused laser spot Smaller, higher work efficiency, deeper processing depth, better processing quality, etc.
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