Which component of an optical fiber keeps light confined within its core through total internal reflection?
Options
- A. Cladding
- B. Outer jacket
- C. Copper conductor
- D. Insulation
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. Cladding
Detailed Explanation
Correct Answer: Cladding
- Optical fiber consists mainly of a core and cladding.
- The cladding has a lower refractive index than the core.
- This refractive-index difference enables total internal reflection.
- The outer jacket provides mechanical protection.