(a) A step-index fiber has a core diameter of 12-μm. The core refractive index is 1.445 and a relative refractive index difference Δ of 0.2% at operating wavelength 1.3-μm. i.How much is the velocity of light within the core of this fiber? ii.How many modes can this fiber support? iii.Determine the condition of the relative refractive index difference Δ to make the fiber operate in the single mode at operating wavelength 1.2-μm. (b) A step-index multi-mode fiber has a length of 2.3 km, core index n1=1.45, Δ=0.01, (i) please calculate the modal delay in this optical fiber. (ii) Please estimate the limit of bit-rate distance product of this fiber.
(a) A step-index fiber has a core diameter of 12-μm. The core refractive index is 1.445 and a relative refractive index difference Δ of 0.2% at operating wavelength 1.3-μm. i.How much is the velocity of light within the core of this fiber? ii.How many modes can this fiber support? iii.Determine the condition of the relative refractive index difference Δ to make the fiber operate in the single mode at operating wavelength 1.2-μm. (b) A step-index multi-mode fiber has a length of 2.3 km, core index n1=1.45, Δ=0.01, (i) please calculate the modal delay in this optical fiber. (ii) Please estimate the limit of bit-rate distance product of this fiber.
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(a) A step-index fiber has a core diameter of 12-μm. The core refractive index is 1.445 and a relative refractive index difference Δ of 0.2% at operating wavelength 1.3-μm.
i.How much is the velocity of light within the core of this fiber?
ii.How many modes can this fiber support?
iii.Determine the condition of the relative refractive index difference Δ to make the fiber operate in the single mode at operating wavelength 1.2-μm.
(b) A step-index multi-mode fiber has a length of 2.3 km, core index n1=1.45, Δ=0.01,
(i) please calculate the modal delay in this optical fiber.
(ii) Please estimate the limit of bit-rate distance product of this fiber.
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