Question

Ques 3 A step index fiber is made with a core of refractive index 1.45, a diameter of 50 µm and a fractional refractive index change of 0.007.It is operated at a wavelength of 3 µm.  Determine the refractive index of cladding  Determine the numerical aperture of the cable  Determine the normalized frequency of the fiber  Determine the number of modes supported by the fiber   What will be number of modes if for same V-number, the cable is considered to be Graded Index? ​

Answer 1

Answer:

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