Calculators » Optical and Photonic » Fiber Loss Margin Calculator

Fiber Loss Margin Calculator

fiber optic
loss margin
optical communication
signal loss
calculator

This page describes the Fiber Loss Margin calculator. The fiber loss margin formula is also provided.

Inputs

Outputs

Example:

INPUTS:

  • PL = 2 mW
  • Lsf = 3 dB
  • FL = 0.5 dB/Km
  • L = 40 km
  • Lconn = 1 dB
  • Lfd = 3 dB
  • Ps = -36 dB

OUTPUT:

  • Loss Margin (Lm) = 12.010 dB

Fiber Loss Margin Formula/Equation

The following equation/formula is used for fiber loss margin calculation.

fiber loss margin formula

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