__________ is a long-term method in which two fibers are fused or welded together.

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Quizplus · Accepted Answer

Fusion splicing is the process of permanently joining two optical fibers by melting or fusing them together. This results in a low-loss connection between the fibers, making it a preferred method of splicing for long-term, dependable installations. Mechanical splicing involves aligning and clamping two fiber ends together with a special apparatus, while connectorization involves attaching a pre-made connector to each fiber end. Index matching is the process of ensuring that the refractive index of each fiber end matches that of the surrounding material, which is important for minimizing signal loss.

__________ Is a Long-Term Method in Which Two Fibers Are