Unipolar pulses have a nonzero electric pulse area (integral of the electric field strength with
respect of time in a given point of space). Due to unidirectional action on charges they can …

In recent years, progress has been made in obtaining extremely short electromagnetic
pulses up to single-cycle and unipolar half-cycle pulses. For pulses with such a dependence …

Energy, pulse duration, and frequency of the spectral maximum are important characteristics
of pulsed terahertz radiation. The unipolarity of radiation is another characteristic that is paid …

For electromagnetic pulses without a carrier frequency, propagating in a system of multilevel
atoms with a fast irreversible relaxation of the induced dipole moment, but a slow relaxation …

Electromagnetically induced gratings (EMIGs) of atomic populations are formed in the
resonant media at the interference of two or more overlapping monochromatic beams. They …

The possibility of the formation of metastable unipolar soliton-like electromagnetic objects in
nonequilibrium dissipative media has been predicted. It has been shown that these objects …

Важными характеристиками импульсного терагерцевого излучения являются энергия,
длительность импульса и частота спектрального максимума. Еще одной …

Электромагнитно индуцированные решетки (ЭМИР) атомных населенностей
создаются в резонансных средах при интерференции двух и более …

X-ray diffraction analysis is one of the famous widely used methods to study the structure of
matter. It is well known that the scattering of ultrashort X-ray pulses can be used in X-ray …

Here we demonstrate an unusual type of superradiance in an extended layer of a two-level
medium excited by a pair of unipolar pulses. It is shown that, due to the interference of …