How many beams can a splitter stably split
But the amplitudes of the two outgoing beams are the sums of the (complex) amplitudes calculated from each of the incoming beams, and it may result that one of the two outgoing beams has amplitude zero. Additionally, beamsplitters can be used in reverse to combine two different beams into a single one. a laser beam) into two (or sometimes more) beams, which may or may not have the same optical power (radiant flux).
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