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FIBER OPTICS (Application (Chemical sensing , Industrial monitoring and…
FIBER OPTICS
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Allow Modes
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Single-mode fiber
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single mode passing through implies less loss and hence, longer distances & more bandwidth
Multi-mode fiber
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multiple modes passing cause pretty large losses during transmission and thus, can only be used over shorter distances and lower bandwidths
Dispersion
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Chromatic dispersion—Spreading of the signal over time resulting from the different speeds of light rays.
Modal dispersion—Spreading of the signal over time resulting from the different propagation modes in the fiber.
Attenuation
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caused by passive media components, such as cables, cable splices, and connectors
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