Electron flight simulation or “Monte Carlo” simulation calculates a hypothetical trajectory of a primary beam electron within a sample. Using values for mean free path, angle of deflection, change in energy, and likelihood of a given type of collision event for a primary electron, the trajectory can be approximated using a random number factor to predict the type of collision. Figure 4.0 illustrates a Monte Carlo simulation of the shape-memory polymer.

Figure 4.0: Monte Carlo Electron Flight simulation of the sample.

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