Izvestiya of Saratov University.
ISSN 1817-3020 (Print)
ISSN 2542-193X (Online)


Completeness’ Problem of Being Transmitted Information

This article presents an investigation of completeness’ problem of information transmitted by spherical electromagnetic wave from source to receiver. A space–time curvature caused by electromagnetic wave is an origin that influences on completeness. It is shown that that curvature has two parts, gravitational and diffractional ones. Light beam scattering parameters such as scattering angle and capture cross-section due to curvature of space-time are evaluated.

Monte Carlo Simulation of Laser Radiation Propagation in the Multilayers Model of Head and Brain Tissues in Health and in the Presence of Intracranial Hematoma

Background and Objectives: Development of new optical methods of non-contact express diagnostics of intracranial hematoma remains an actual task. The development of optical model of the head in norm and in the presence of intracranial hematoma is the aim of the present study. Influence of the dimensions of the head tissues with and without hematoma on distribution of the backscattered laser radiation intensity is discussed. Materials and Methods: The optical model of the head and brain tissues in norm and in the presence of intracranial hematoma is developed.