Power at Port 4 in Fiber Optic Transmission Formulas

Power at Port 4 is the power measured at the port 4 of the 4 port coupler. And is denoted by P_c. Power at Port 4 is usually measured using the Watt for Power. Note that the value of Power at Port 4 is always positive.

Fiber Optic Transmission formulas that make use of Power at Port 4

fxOptical Return LossGo

FAQ

What is the Power at Port 4?

Power at Port 4 is the power measured at the port 4 of the 4 port coupler. Power at Port 4 is usually measured using the Watt for Power. Note that the value of Power at Port 4 is always positive.

Can the Power at Port 4 be negative?

No, the Power at Port 4, measured in Power cannot be negative.

What unit is used to measure Power at Port 4?

Power at Port 4 is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Power at Port 4 can be measured.

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