These are used as beam splitters in many optical instruments.

Detect these photons after they have been mixed together using a beam splitter.

A hole mirror or a beam splitter are options to collect a return signal.

The prism can therefore be used as a polarizing beam splitter.

Inside the camera, a beam splitter separates the light from the scene into red, green and blue light.

Note also the precise orientation of the beam splitters.

A wide laser or light beam is first shot at the beam splitter.

A beam splitter separates the light into reference and measurement beams.

The Fresnel reflection from the first surface of the mirror acts as a beam splitter.

Next, as shown in the bottom diagram, a second beam splitter is introduced at the top right.