An Optical Fiber with Index of Refraction 1

question 39

Multiple Choice

An optical fiber with index of refraction 1.60 is clad in a material of index 1.30. What is the ratio of the maximum time to the minimum time for light signals to travel down a given length of this fiber?

• A) 1.60
• B) 1.30
• C) 1.23
• D) 1.95

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