Fig. 1: Small-angle scattering set-up.
From: Using in-situ small-angle scattering to reveal the structure and dynamics of supramolecular polymers

Typical SAS setup, showing the incident and scattered wave vectors, \({\vec{k}}_{{{\rm{i}}}}\) and \({\vec{k}}_{{{\rm{f}}}}\), and the scattering vector \(\vec{q}\).