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Michelson interferometer - High Resolution

Michelson interferometer - High Resolution

Item no.: P2220910
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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 alteration in 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 individual 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
p2220910e.pdf Experiment guide, English 2.98 MB

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