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The Edmund Optics® website will be unavailable on 11/2 from 3 to 4 PM EST while we perform scheduled maintenance.
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Knowledge Center/ Glossary/ Decibel (dB)
A logarithmic measure of relative power levels. It is used to specify the amount of attenuation in optical fibers.
See also Attenuation , Optical Fiber
The Edmund Optics® website will be unavailable on 11/2 from 3 to 4 PM EST while we perform scheduled maintenance. 
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