CHRISTIAN KOCH, MICROCHEMICALS / SCIENCE PHOTO LIBRARY CHRISTIAN KOCH, MICROCHEMICALS / SCIENCE PHOTO LIBRARY
Diffraction experiment. Numerical simulation of the interference pattern produced by double-slit diffraction of a harmonic wave front. The wave moves from upper right to lower left in each image. The sequence starts at upper left and finishes at lower right. Here, the slit is wider than the incident wavelength, producing features of both single-slit and double-slit diffraction. This simulation is shown as waves moving across a surface, but is based on the differential equations that describe dispersion-free electromagnetic waves. See C014/7197 to C014/7200 for images showing how the pattern changes with wavelength size.
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