Review of Actual Problems of Nonlinear Dynamics

The article contains the short review of the main results on research of a role of structuration of the water-containing environment in the living tissues. These tissues are used as the objects of research in biomedical radio-electronic nanotechnologies of the extremely high-frequency and terahertz ranges. The experimental devices and technique of researches of the water containing environment structuration under the influence of electromagnetic radiation are described. The results of pilot studies are given.

Some results of researches and development of devices with field emission (TWT, BWO, carcinotrode, klystrons and X-ray tubes, field emission displays, etc.) have been briefly presented in the article. Lines of development of its theory have been designated. Also the vacuum microwave electronics programs offered in Europe and USA have been considered. They are directed on using new technologies in coping with the terahertz frequency range, reflecting the trend of recent years.

Investigation and development of efficient electromagnetic oscillations sources are one of the topical issues in the field of terahertz radiophysics and electronics. A frequency region is regarded as an explored for which oscillating, amplifying and measurement devices have not been developed. The exploration of the terahertz frequency range is at the initial state. In a review paper, published in one of the USA scientific journal [1], which was devoted to the terahertz radiation vacuum sources there is some reminder of using, a «klynotron effect» in the BWO developed at the IRE NASU.