Michelson Interferometer(incomplete)

Purpose: Can be used for different purposes. Illustrate the speed of light in air and vacuum, Find the index of refraction in air etc.

Parts:

  • Found on shelf O1

Setup:

Interferometer  is setup on the optical bench. Connect the power supply to the power outlet.

slide1
setup
slide2
view from top

A photo sensor is set behind the output interference pattern so that it detects the changes of rings in the bulls eye.

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The sensor output is given to the oscilloscope. Here it is also connected to a speaker.

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Oscilloscope view when the fringes move.