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Your search keyword '"Mykhailo S. Gavryliak"' showing total 4 results
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3. The research of some polygraphic paper samples’s polarization characteristics

Author

Artem V. Motrych, A. D. Arkhelyuk, Yuriy G. Dobrovolskyi, and Mykhailo S. Gavryliak

Subjects
Polygraph, Azimuth, Materials science, Structural organization, Optics, business.industry, Linearly polarized light, Polarization (waves), business, Light scattering
Abstract

Methods of investigation the polarization characteristics of certain types of polygraph paper were described. The most effective method for estimation of the characteristic features of optical heterogeneities of polygraph paper was proposed. The greatest sensitivity to the structural organization of optical heterogeneities of paper was observed for linearly polarized light beams with 90 degree polarization azimuth.

Published
2018

4. Random laser with superscatterers at designable wavelengths

Author

Yinxiao Xiang, Mykhailo S. Gavryliak, Fan Shi, Xinzheng Zhang, Pidong Wang, and Jingjun Xu

Subjects
Physics, Random laser, business.industry, Scattering, Physics::Optics, Resonance (particle physics), Atomic and Molecular Physics, and Optics, Wavelength, Optics, Primary color, Q factor, business, Lasing threshold, Order of magnitude
Abstract

Superscattering has been proposed to enhance the total scattering cross-section significantly. Here we design three kinds of super-scatterers with maximum total scattering cross-sections at three primary colors. They are utilized to construct random systems, whose random lasing properties are analyzed. We find that the lasing thresholds are reduced by two orders of magnitude at these trichromatic wavelengths in respect to other wavelengths or compared to random systems with conventional scatterers.

Published
2015

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