Double-slit: what causes the altering problem

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SUMMARY

The discussion centers on the factors influencing the interference pattern observed in the double-slit experiment. Participants assert that while the intensity of the laser light affects brightness, it does not alter the interference pattern itself. Additionally, variations in slit separation impact the spacing of the interference fringes but do not change the fundamental pattern. The conversation also raises the question of how a single slit would affect the observed phenomena.

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  • Understanding of wave interference principles
  • Familiarity with the double-slit experiment
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  • Concept of slit separation and its effects on diffraction patterns
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Homework Statement



It should be obvious that the simple interference of two waves is not the only that you have seen with the double slit. What other phenomenon is altering your pattern?

Homework Equations





The Attempt at a Solution



I'm assuming that the intensity of the light of the laser, but that would not alter the pattern, it would just be less of it. Also the slit separation would contract/expand the pattern, but it would essentially be the same.
 
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