Watt level laser fiber beam combining device based on multimode fibers
A technology of optical fiber combining and multimode optical fiber, applied in the direction of laser devices, lasers, laser components, etc., can solve the problems of speckle distribution, spot quality, speckle, etc., achieve the elimination of speckle, reduce speckle, and facilitate large-scale The effect of manufacturing
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[0030] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0031] Such as figure 1 As shown, the multi-mode fiber watt-level laser fiber combining device provided in this embodiment includes a laser generation module for outputting multiple watt-level visible light lasers and coupling multiple watt-level visible light lasers into the optical fiber, The fiber bundle module is composed of multiple circular multimode fibers and a non-circular multimode fiber whose core diameter and numerical aperture are larger than the input end circular multimode fiber by fusion taper. The multiple watt-level visible light lasers entering the optical fiber are combine...
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