Q2: A Multimode fiber with core diameter 50um, nl = 1.48, n2 = 1.46 is designed to transmit data over 10 km at wavelength = 6*10 m. a) Calculate the Maximum angle of the incident light into the fiber core which allows the light to propagate through fiber core. b) Find the minimum angle that supports total internal reflection.
Q2: A Multimode fiber with core diameter 50um, nl = 1.48, n2 = 1.46 is designed to transmit data over 10 km at wavelength = 6*10 m. a) Calculate the Maximum angle of the incident light into the fiber core which allows the light to propagate through fiber core. b) Find the minimum angle that supports total internal reflection.
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Transcribed Image Text:1.48, n2 1.46 is designed to
Q2: A Multimode fiber with core diameter 50um, nl =
transmit data over 10 km at wavelength = 6*10 m.
a) Calculate the Maximum angle of the incident light into the fiber core which allows the
light to propagate through fiber core.
b) Find the minimum angle that supports total internal reflection.
c) Calculate the bandwidth limitation.
d) Calculate number of modes that propagate inside the fiber.
e) Find the launching angle (0) of the first three modes of propagation for which the rays
successfully travel along the fiber (assume the reflection coefficient phase 8=0°).
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