Download
- Vector graphics (SVG) download awesome for websites
- Pixel graphics (PNG) download awesome for presentations
Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material for any purpose, even commercially.
Sharing and adapting of the illustration is allowed with indication of the link to the illustration.
A plane wave (for example from a laser), whose propagation can be explained with the Huygens principle. At each point of the plane light wave, a spherical wave is created, which continues to propagate forward. The overlapping of all spherical waves results in a new plane wave, which has spread a bit.