Optics¶

\[\large \begin{aligned} & \nabla \cdot \mathbf{E}=\frac{\rho}{\varepsilon_0} \\ & \nabla \cdot \mathbf{B}=0 \\ & \nabla \times \mathbf{E}=-\frac{\partial \mathbf{B}}{\partial t} \\ & \nabla \times \mathbf{B}=\mu_0 \mathbf{J}+\mu_0 \varepsilon_0 \frac{\partial \mathbf{E}}{\partial t}\end{aligned} \]