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Fabry-Perot interferometer - optical resonator modes

Fabry-Perot interferometer - optical resonator modes

Item no.: P2221206

Experiment Type: Teacher Experiment, Laboratory Experiment

Difficulty Expenditure of Time print
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Principle

Two mirrors are assembled to form a Fabry-Perot interferometer. Using them, the multibeam interference ofa laser's light beam is investigated.On moving one of the mirrors, thechange in the intensity distributionof the interfeence pattern is studied. This is a qualitative experiment,to study the shape of different lasermodes and compare it with some photosgiven in this description.

Benefits

  • study a fundamental component of lasers
  • fascinating patterns emerge in a surprisingly symmetric setup
  • learn about a widely used type of interferometer

Tasks

  1. Construction of a Fabry-Perot interferometer using separate optical components.
  2. The interferometeris used to observe different resonator modes within the interferometer.

What you can learn about

  • Interference
  • Wavelength
  • Diffraction index
  • Speed of light
  • Phase
  • Virtual light source
  • Two-beam interferometer
Document     Filesize
p2221206e.pdf Experiment guide, English 867.24 KB

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