| Optical Power Margin |
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''Note 1:'' The optical Power Margin is usually expressed in DB . At least several dB of optical power margin should be included in the optical power budget. ''Note 2:'' The amount of optical power launched into a given fiber by a given transmitter depends on the nature of its active Optical Source (LED or Laser Diode ) and the type of fiber, including such parameters as Core Diameter and Numerical Aperture . ''Contrast with'' Optical Power Budget . Source: from Federal Standard 1037C |
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