Mach-Zehnder interferometer

English

Etymology

Named after the physicists Ludwig Mach (who refined the idea) and Ludwig Zehnder (who proposed it in 1891).

Noun

Mach-Zehnder interferometer (plural Mach-Zehnder interferometers)

1. A device used to determine the relative phase shift variations between two collimated beams derived by splitting light from a single source.