Polarization is a characteristic of an electromagnetic wave that describes the orientation of its electric field vector. Unpolarized light, such as sunlight, contains electric field oscillations vibrating across all possible planes perpendicular to the direction of propagation. Polarization techniques restrict these vibrations to a specific plane or axis, resulting in polarized light. This phenomenon can be exploited using polarizing filters, which consist of materials that absorb or reject the component of the electric field perpendicular to a specific transmission axis. Polarization is essential in understanding light interaction within materials, particularly in the study of birefringence and its applications in optics, remote sensing, and advanced imaging systems.