Calculators » Optical and Photonic » Fiber Optic Loss Calculator and Formula

Fiber Optic Loss Calculator and Formula

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This page provides information about a Fiber Optic Loss calculator and the formulas used in its calculations.

Calculator-1

Inputs

Outputs

This calculator determines fiber loss based on input power, output power, and the length of the fiber optic cable.

Example Calculator #1:

  • INPUTS:
    • Input Power (µW) = 10
    • Output Power (µW) = 9
    • Length of Fiber (Km) = 0.5
  • OUTPUTS:
    • Fiber Optic Loss (dB) = -0.458
    • Loss (dB/Km) = -0.915

Formula for Fiber Optic Loss Calculator-1

The following formula is used for Calculator #1:

fiber optic loss formula

Calculator-2

This calculator calculates the fiber output power based on the fiber cable loss (dB/Km), length of the cable, and the input power.

Inputs

Outputs

Example Calculator #2:

  • INPUTS:
    • Input Power (mWatt) = 400
    • Fiber Optic Loss (dB/Km) = 2.5
    • Length (Km) = 10
  • OUTPUTS:
    • Output Power = 1.265 mWatt

Formula for Fiber Optic Output Power Calculator-2

The following formula is used for Calculator #2:

fiber optic output power formula

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