d) The overall signal attenuation when using the same fiber with splices at 1km intervals each giving an attenuation of 1dB.

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I need to solve only (d)
When the mean optical power of 120 µW is used as an input to a fiber
of length 8km, the mean optical power at the fiber output is 3 µW.
Determine:
a) The overall signal attenuation in decibels through the fiber.
b) The signal attenuation per kilometer for the fiber.
c) The numeric input/output ratio in (a).
d) The overall signal attenuation when using the same fiber with
splices at 1km intervals each giving an attenuation of 1dB.
Transcribed Image Text:When the mean optical power of 120 µW is used as an input to a fiber of length 8km, the mean optical power at the fiber output is 3 µW. Determine: a) The overall signal attenuation in decibels through the fiber. b) The signal attenuation per kilometer for the fiber. c) The numeric input/output ratio in (a). d) The overall signal attenuation when using the same fiber with splices at 1km intervals each giving an attenuation of 1dB.
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