Time integration and differentiation of unipolar pulses of unusual shape

Based on the previously developed theory of transformation (time integration and differentiation) of ultrashort pulses in thin metal films, we study the possibility of time differentiation and integration of unipolar pulses. Unipolar pulses of unusual shape – rectangular and triangular – are considered, and their mutual transformation upon propagation through thin films with certain parameters is demonstrated. The conservation of the electrical area in such problems is shown.