Demonstrates laser diffraction by pinholes
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						Demonstrate laser diffraction by opaque discs.						Read More
					
						Demonstrate the Poisson (or Arago) bright spot.						Read More
					
						Demonstrate diffraction of laser light around small spheres.						Read More
					
						Show Fresnel and Fraunhofer diffraction from pinholes and opaque discs.						Read More
					
						Demonstrate focusing by a Fresnel zone plate.						Read More
					
						Exhibit the foci of the Fresnel zone plate corresponding to its focal lengths.						Read More
					
						Demonstrate diffraction of microwaves from a circular aperture.						Read More
					
						Demonstrate microwave diffraction be a conducting sphere.						Read More
					
						Demonstrate a zone plate using microwaves.						Read More
					
						Demonstrate a halo by diffraction of light by small particles.						Read More