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An optical fiber consists of a glass core (index of refraction 1.55) surrounded by a cladding (index of refraction 1.52). Suppose a beam of light enters the fiber from air at an
SOLVED: A fiber cable has an acceptance angle of 30° and a core index of refraction of 1.4. Calculate the refractive index of the cladding.A 1.124B. 1.308C. 2.00 D. 2.01