A step index fibre has a core refractive index of 1.47, a relative refractive index difference of 2 % and a core diameter of 80 µm. The fibre is jointed with a lateral offset of 2 um, an angular misalignment of the core axis of 3° and a small air gap (no longitudinal misalignment). Determine the total insertion loss at the joint which comprises the sum of the misalignment losses.

A step index fibre has a core refractive index of 1.47, a relative refractive index difference of 2 % and a core diameter of 80 µm. The fibre is jointed with a lateral offset of 2 um, an angular misalignment of the core axis of 3° and a small air gap (no longitudinal misalignment). Determine the total insertion loss at the joint which comprises the sum of the misalignment losses.

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