Demos by PIRA

6C10 Diffraction Through One Slit

  6C10.10Single slit diffraction using laser beam through adjustable slit.
  6C10.15Two points of light diffract through an iris, shown with T.V. camera. (RETIRED)
  6C10.50Microwave diffraction by a large adjustable iris.

6C20 Diffraction Around Objects

  6C20.10Poisson's spot: Interference pattern within circular shadow.
  6C20.15Diffraction about pinhead, razorblade, wood screw using laser.
  6C20.30Airy's disk: Pinhole diffraction using laser beam.
  6C20.45Microwave zone plates.