A graded-index optical fiber cable differs from a step-index fiber cable because its core features:

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Physics · Optics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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A continuous or layered refractive index profile that decreases gradually from the center axis toward the cladding.

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Answer 1

A smaller numerical aperture than step-index cables.

Answer 2

A larger beam spread.

Answer 3

A continuous or layered refractive index profile that decreases gradually from the center axis toward the cladding.

Answer 4

A continuous or layered refractive index profile that increases gradually from the center axis toward the cladding.

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