Figure 4

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(a) The setup of flame brushing method to fabricate tapered fiber. (b) The microscopic image of the tapered fiber at ×50 and (c) ×100 magnification with the material. (d) The schematic drawing of the coated Ta2AlC tapered fiber (a) was drawn using SketchUp Make 2017 (Basic), Software Version: Windows 64-bit 17.2.2555.