Michelson Interferometer

Use to measure the wavelength of monochromatic light

Splits a beam in two and then recombines them at the same beam splitt Two beamlets emerge and another two return to the source $I_{\text{out}}=2I_0-2I_0\cos (2\omega \tau )$ Results in Interference Fringes

See Also

Michelson-Morley Experiment Crossed Beams