Question about photon wave packets

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exmarine
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Has anyone ever tried to measure the number of waves in photon wave packets? It seems like that would be an important feature and would be equal to the number of fringes in the double slit experiment (on one side), unless it is a huge number. Also, the decrease in the intensity of fringes as their order increases would be related? And I suppose the same question could be asked about de Broglie’s matter waves.
 

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Hmmm, I see I asked the same question back in 2012. Sorry.
 
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