A fiber has a loss of 0.5 dB/km at a wavelength of 1550 nm. How much...

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A fiber has a loss of 0.5 dB/km at a wavelength of 1550 nm. How much...

A fiber has a loss of 0.5 dB/km at a wavelength of 1550 nm. How much power is transmitted through such a fiber (at a wavelength of 1550 nm) if the length of the fiber is 1 km, 10 km, or 100 km if 5 mW is coupled into the fiber?

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