Fiber Characteristics

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6 Terms

1
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What are the three main types of Attenuation?

  • 1) Absorption

  • 2) Scattering

  • 3) Imperfections in the fibers.

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Scattering

  • A Type of Attenuation.

  • Light deviates from its path due to impurities or imperfections in the fiber.

3
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Attenuation

  • Reduction of optical power (signal strength) as light travels through the fiber.

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What are the three main types of Dispersion?

  • 1) Chromatic Dispersion

  • 2) Modal Dispersion

  • 3) Polarization Mode Dispersion (PMD

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Dispersion - Fiber Characteristics

  • Spreading or broadening of light pulses as it travels through the fiber.

  • Dispersion limits the bandwidth and transmission distance of a fiber optic link.

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Instrinic Absorption

  • Refers to the inherent loss of light energy within a fiber optic cable due to the interaction of light with the materials that make up the fiber itself.

  • Even in a perfectly pure and flawless fiber, some light energy will inevitably be absorbed by the glass material.