The Interactive Ewald Sphere Tutorial

Welcome to the Ewald sphere tutorial! The aim of this tutorial is to learn about the Ewald sphere, and how it explains X-ray diffraction patterns. The tutorial uses an interactive tool, the 'Ewald sphere applet'.

This tool is designed to support learning as part of a formal taught course in X-ray crystallography, and is provided here so that anyone can incorporate it in their teaching materials. It was not designed for self-directed learning, but may be useful as a reinforcement activity in some cases.

The applet window

Exercises

  1. Bragg diffraction.
  2. Simple diffraction patterns.
  3. Complex diffraction patterns.

Back to my YSBL page.

Kevin Cowtan: