In an optical fiber, the light is transmitted through the?

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Prepare for the Airstream Gate 5 Fiber Optic Test with comprehensive study materials including flashcards and multiple-choice questions, all equipped with hints and explanations. Ace your exam!

Multiple Choice

In an optical fiber, the light is transmitted through the?

Explanation:
Light travels through the central region of the fiber called the core. The core has a higher refractive index than the surrounding cladding, so light is kept inside by total internal reflection at the core–cladding boundary, allowing it to propagate long distances with minimal loss. The jacket and buffer are protective layers around the fiber and don’t carry the signal.

Light travels through the central region of the fiber called the core. The core has a higher refractive index than the surrounding cladding, so light is kept inside by total internal reflection at the core–cladding boundary, allowing it to propagate long distances with minimal loss. The jacket and buffer are protective layers around the fiber and don’t carry the signal.

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