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ESE 2021 Technical Quiz 80 ||Light Propagation in Optical Fibers
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Question 1
In a fiber-optic cable, which phenomenon occurs for signal to propagate along the inner core
Question 2
The critical angle θc in an optical fiber is given by _____. Where n1 is refractive index of medium 1 and n2 is the refractive index of medium 2.
Question 3
For a 3-
diameter optical fiber with core and cladding indexes of refraction of 1.545 and 1.510, respectively. The cut-off wavelength is
diameter optical fiber with core and cladding indexes of refraction of 1.545 and 1.510, respectively. The cut-off wavelength is Question 4
For a fibre having ncore = 1.47 and nclad = 1.46, find maximum value of core radius a for single mode operation at 1.55 µm.
Question 5
How does Refractive index vary in Graded index fibre ?
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Jun 8ESE & GATE EC
