Extinction Ratio
The ratio of the low, or OFF optical power level (PL) to the high, or ON optical power level (PH):
Extinction Ratio (%) = (PL/PH) x 100
Fiber-Optics.infoThe ratio of the low, or OFF optical power level (PL) to the high, or ON optical power level (PH):
Extinction Ratio (%) = (PL/PH) x 100