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Fiber Optical Bandwidth and electrical bandwidth calculator

This page covers fiber Optical Bandwidth and electrical bandwidth calculator and their formulas. The definitions and relation ship between optical bandwidth and electrical bandwidth is also mentioned.

Bandwidth length product, MHz*Km (input1) :

Length of fiber, Km (input2) :


Optical Bandwidth(MHz) (Output1):

Electrical Bandwidth(MHz) (Output2):

Example of LED calculator:
INPUTS :
Bandwidth length product = 1000 MHz*Km, Length of fiber = 10 Km
OUTPUTS:
Optical Bandwidth = 100 MHz , Electrical Bandwidth = 70.7 MHz


Formula for relation between fiber Optical Bandwidth and electrical bandwidth

Electrical Bandwidth: It is defined as frequency at which ratio of current output with current input drops to value of 0.707.
Optical Bandwidth: It is the frequency at which ratio of power output with power input drops to the value of 0.5.
They are related as follows.

Following equations/formula are used for fiber optical bandwidth and electrical bandwidth calculations.


fiber optical bandwidth and electrical bandwidth formula

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