On the uncertainty principle for photons. An experimental counter example??



From QM follows that the position of a photon can not be determined
better than L (de Broglie wavelength).
Suppose one creates a wave in the meter range - say L=2m. Could the
photons in this wave go through a tube of radius 1 cm?
If one registers a click of a photon counter placed inside the tube -
would this be a counterexample of QM - e.g. the position of the photon
determeined better than de Broglie's wavelength???

.



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