Physical basics (german)
Wave fronts and rays
Introduction
Huygens principle
Christian Huygens
Introduction
Bragg-Bedingung
W.H. and W.L. Bragg
Constructive interference
Destructive interference
Bragg condition
Rocking curve
Kossel cones
Walter Kossel
Introduction
Invariance
Rocking curve
Topography
Measurements workplace and functional elements
Total view
Detail view ...
Procedure
Seqeuence ...
