1. Calculate the number of allowed modes in a multimode optical fiber of radius a micrometer. The refractive indices of Its core are 1.468 and cladding is 1.447 for the wavelength 50- %3D of 850 nm.

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1. Calculate the number of allowed modes in a multimode optical fiber of radius a = 50-
micrometer. The refractive indices of Its core are 1.468 and cladding is 1.447 for the wavelength
of 850 nm.
2. What should be the value of the fiber radius of a single mode fiber
with refractive indices of core and cladding of 1.468 and1.447 respectively for the wavelength of
1.55 micrometers.
3. Calculate the mode field diameter of a single mode fiber with a core refractive index of 1.458
and cladding refractive index
1.452 for the wavelength of 1.55 micrometers.
X2
Transcribed Image Text:1. Calculate the number of allowed modes in a multimode optical fiber of radius a = 50- micrometer. The refractive indices of Its core are 1.468 and cladding is 1.447 for the wavelength of 850 nm. 2. What should be the value of the fiber radius of a single mode fiber with refractive indices of core and cladding of 1.468 and1.447 respectively for the wavelength of 1.55 micrometers. 3. Calculate the mode field diameter of a single mode fiber with a core refractive index of 1.458 and cladding refractive index 1.452 for the wavelength of 1.55 micrometers. X2
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