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Swarthmore Physics Demonstrations

November 9, 2018January 19, 2024 aneat1

3 Crossed Diffraction Gratings

3 crossed gratings

Use HeNe laser with Cornell diffraction gratings to create a diffraction pattern similar to that of a quasi-crystal (see below).

3 crossed gratings pattern

quasi-crystal

  • HeNe laser and Cornell slides in L35, section A-5
  • Lab jack in L35, section D1
  • Optics posts in L35, A-7

Posted in Atomic Physics, Diffraction, Modern Misc, Modern Physics, Modern Physics, Optics, Quantum Effects

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