A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...

Prisms are commonly used in spectroscopy for dispersing or controlling the direction or polarisation of light. This can be helpful for splitting the incoming light into its wavelength components to ...

Dove prism inverts the orientation of an image, so they are also called image rotation or reversion prisms. They are shaped like right angled prisms with the right angle truncated. When such a prism ...