Poincaré sphere

Poincaré sphere, often spelled Poincare sphere (without the accent) may refer to:

Poincaré sphere, in optics, is a graphical tool for visualizing different types of polarized light
Poincaré homology sphere, in mathematics, an example of a homology sphere

In condensed matter physics, the Poincaré sphere is also known as the Bloch sphere.

This disambiguation page lists articles associated with the same title.
If an internal link led you here, you may wish to change the link to point directly to the intended article.