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Fiber Optic Loss Calculator | Fiber Optic Loss Formula

This page covers Fiber Optic Loss calculator. It mentions formula used for this fiber optic loss calculator. The calculator-1 calculates loss based on input power,output power and length of fiber.

Input Power, µWatt (input1) :

Output Power, µWatt (input2) :

Fiber Length, Km (input3) :

Total Fiber Loss, dB (Output1):

Fiber Loss, dB/Km (Output2):


*Note: Enter values in INPUT boxes and Press CALCULATE button to check OUTPUTS.

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

Following formula is used for calculator#1.

fiber optic loss formula

Calculator-2

The calculator-2 calculates fiber output power based on fiber cable loss, length and input power.

Input Power, mWatt (input1) :

Fiber Loss in dB/Km (input2) :

Fiber Length, Km (input3) :

Output Power, mWatt (Output1):

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

Following formula is used for calculator#2.

fiber optic output power formula

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