A high-power optical fiber end cap and its manufacturing method
A fiber-end, high-power technology, applied in the field of fiber lasers and laser transmission systems, can solve the problems of end cap damage, difficult to guarantee fusion quality, small core area, etc., to avoid energy loss, reduce optical power density, reduce The effect of light reflection
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[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0040] Such as figure 1 As shown, a high-power optical fiber end cap according to the present invention includes a double-clad optical fiber 1 coaxially arranged, a coreless optical fiber 2 and a quartz rod, and the quartz rod includes a first cylindrical section 3 connected coaxially in sequence , Conical frustum section 4 and second cylindrical section 5, the diameter of an end surface of said conical frustum section 4 and the diameter D of first cylindrical section 3 1 Identical, the diameter of the other end face of described frustum segment 4 is the same as the diameter D of second cylindrical segment 5 2 Same, the diameter D of the first cylindrical section 3 1 smaller than the diameter D of the second cylindrical segment 5 2 , one end of the double-clad fiber 1 ...
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