Introductory Michelson Interferometer

Product Code: OS-8501


This Introductory Michelson Interferometer is a precision interferometer for the introductory lab. It is easier to use, more compact and more economical than PASCO’s advanced interferometer.  It is capable of measuring the wavelength of monochromatic light with an accuracy of better than 5%. The Michelson Interferometer can also be used for making precise measurements of the index of refraction of air.


  • Michelson Interferometer
  • Gas Cell
  • Collimating Lens (18.4 mm focal length)
  • Lens Holder
  • Storage Case