Classical double-slit experiment (con’t)

• Source generates water waves

  • At any intensity value
  • No reflection from absorber
  • Detector measures wave intensity
    • ? (wave height)2
  • Waves interfere at absorber

• I12 = |h1 + h2|2
  • = |h1|2 + |h2|2 + 2|h1||h2|cos?
  • h’s are complex

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