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Michelson interferometer - High Resolution

Michelson interferometer - High Resolution

Item no.: P2220900

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With the aid of two mirrors in a Michelson arrangement, light is brought to interference. While moving one of the mirrors, the alterationin the interference pattern is observed and the wave length of the laser light determined.


  • Learn about the measurement principle with which gravitational waves can be observed
  • Assemble your own interferometer using invidual optical components
  • Find out that even lasers have limited coherence length


  1. Construction of a Michelson interferometer using separate components.
  2. The interferometer is used to determine the wavelength of the laser light.
  3. The contrast function K is qualitatively recorded in order to determine the coherence length with it.

What you can learn about

  • Interference
  • Wavelength
  • Diffraction index
  • Speed of light
  • Phase
  • Virtual light source


Document     Filesize
p2220900e.pdf Experiment guide, English 521.96 KB

Michelson Interferometer

Michelson Interferometer

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