1. Databases
2. Problem database
3. Refraction

Refraction

Electrodynamics

Refraction occurs when an electromagnetic wave transitions between two different medium of different optical indexes. In a linear medium, this corresponds to the Maxwell equations

\begin{eqnarray} \vec{\nabla} \cdot \vec{E} &=& \frac{\rho}{\varepsilon} \end{eqnarray}