Question

Design a Multi-mode step index and graded index fiber with following parameters: Fiber
radius of 30um, Clad Refractive Index nz 1.44 and Core Refractive Index = N1= n2+ 0. 4026
B1.1 Plot the numerical aperture of the graded index fiber for a 1 to 10 and wxyz.
Compute numerical aperture for a multi-mode step index fiber for the given
parameter.
B1.2 Plot number of modes being supported as a function of graded index fiber
radius for range of 25um to 50um. Compute number of modes supported by step
index fiber.
B1.3 Compare dispersion properties of multi-mode graded index fiber and single &
multi-mode step index fibers.
3​

Answer 1

Answer:

Design a Multi-mode step index and graded index fiber with following parameters: Fiber

radius of 30um, Clad Refractive Index nz 1.44 and Core Refractive Index = N1= n2+ 0. 4026

B1.1 Plot the numerical aperture of the graded index fiber for a 1 to 10 and wxyz.

Compute numerical aperture for a multi-mode step index fiber for the given

parameter.

B1.2 Plot number of modes being supported as a function of graded index fiber

radius for range of 25um to 50um. Compute number of modes supported by step

index fiber.

B1.3 Compare dispersion properties of multi-mode graded index fiber and single &

multi-mode step index fibers.

3

Explanation:

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