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As the song would have it - we are going to 'start from the very beginning'...
First we need to understand the basics of scattering of waves from an object.
1.1 Scattering from a General Object
1.1 Scattering from a General Object
Consider the general object shown below (Fig. 1.1). Let us assume that it receives a parallel beam of radiation of unit amplitude and every point within it re-emits radiation in all directions. Consider the radiation coming off in a direction at an arbitrary angle 2θ to the incident beam direction.
Figure 1.1: Diffraction from a General Object
Figure 1.2: Adding the components
Figure 1.3: Definition of the Scattering Vector S
Scattering from the whole Object
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