The fusion method fuses the fiber cores together with less attenuation. Fusion splicing stands out as a superior technique for joining optical fibers, offering a seamless, low-loss connection that is crucial for reliable fiber optic networks. The best splicers offer core alignment, fast splice times, durable designs, and smart features like cloud syncing and automated calibration. Top-rated models. Regardless of your level of experience, creating high-quality, high-performance fiber optic networks requires developing your skills in fusion splicing. This guide reveals the secrets to fusion splicing with little fluff—just proven, straightforward techniques refined from years of work in the. Fusion splicing is the process of fusing or welding two fibers together usually by an electric arc. The goal is to fuse the two fibers together in such a way that light passing through the fibers is not scattered or reflected back by the splice, and so that the splice and the region surrounding it are almost as strong as the. The Fujikura 100R mass fusion splicer introduces Intelligent Alignment Control to deliver more reliable, uniform splices by automatically correcting fiber placement, end‑face gaps, and axis alignment across all fibers.