M2 Diffraction - Circular

These demonstrations extend the study of diffraction from circular and arbitrary shapes.

Articles
Image	Title
	M2-01 LASER DIFFRACTION - PINHOLES Demonstrates laser diffraction by pinholes
	M2-02: LASER DIFFRACTION - OPAQUE DISCS Demonstrate laser diffraction by opaque discs.
	M2-03: LASER DIFFRACTION - POISSON'S BRIGHT SPOT Demonstrate the Poisson (or Arago) bright spot.
	M2-04: LASER DIFFRACTION - HALO Demonstrate diffraction of laser light around small spheres.
	M2-05: PINHOLE AND OPAQUE DISC - FRESN AND FRAUN DIFFRAC Show Fresnel and Fraunhofer diffraction from pinholes and opaque discs.
	M2-11: LASER DIFFRACTION - FRESNEL ZONE PLATES Demonstrate focusing by a Fresnel zone plate.
	M2-12: LASER DIFFRACTION - FRESNEL ZONE PLATE - FOCAL LENGTH Exhibit the foci of the Fresnel zone plate corresponding to its focal lengths.
	M2-21: MICROWAVES - DIFFRACTION BY CIRCULAR APERTURE Demonstrate diffraction of microwaves from a circular aperture.
	M2-22: MICROWAVES - DIFFRACTION BY A SPHERE Demonstrate microwave diffraction be a conducting sphere.
	M2-23: MICROWAVES - FRESNEL ZONES Demonstrate a zone plate using microwaves.
	M2-31: HALO BY DIFFRACTION FROM SMALL PARTICLES Demonstrate a halo by diffraction of light by small particles.