What is a Fiber-optic attenuator

  attenuator In-line fiber optic attenuators commonly are available from 1 dB to 25 dB allowing you to reduce the signal strength of your optical signal so it isn't overpowered at the receiving end of the optical link. Light travels over a small glass strand which is measured in nanometer (nm) wavelengths the strength of the wavelengths signal is measured in decibels (nm).t the sign A fiber-optic data connection has a light wave traveling over it which are transmitted over the optical=glass-medium  & “read” at the receiving end; if the signal is too strong at the receiving end then the receiver can’t
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