Search Results - "Mykytyuk, Z."

Sensitive liquid crystal composites for optical sensors by Mykytyuk, Z. M., Barylo, H. I., Kremer, I. P., Kachurak, Y. M., Shymchyshyn, O. Y.

“…The paper presents a comparative analysis of liquid crystal cholesteric-nematic mixtures for their use as sensitive elements of gas sensors. Liquid crystal…”
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Optical sensor with liquid crystal sensitive element for monitoring acetone vapor during exhalation by Mykytyuk, Z. M., Kremer, I. P., Ivakh, Mariia, Diskovskyi, I. S., Khomyak, S. V.

“…Use of a noninvasive method for the diagnosis of diabetes by determining the concentration of acetone in the air during exhalation has been suggested in the…”
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Nonlinear features of the transition of a liquid crystalline mixture into an isotropic state under the action of alcohol vapors by Mykytyuk, Z., Barylo, H., Kremer, I., Kachurak, Y., Samoilov, O., Kogut, I.

“…The work of an optical sensor for determining the concentration of alcohols, in particular methanol, ethanol and isopropanol, based on a liquid crystal…”
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Liquid crystal material with gold nanoparticles as optical sensors active medium for the amino acids detection by Mykytyuk, Z. M., Sushynskyi, O. E., Prystai, T. V., Kremer, I. P., Ivakh, M. S., Zaichenko, A. S., Shevchuk, O. M.

“…In the article, the possibility of using the cholesteric liquid crystal mixture doped by the gold nanoparticles as an active medium of optical amino acid…”
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Studying the Electrically Driven Switching of the Planar Light Guide by Chaban, O., Hotra, Z., Ilnytskyi, J., Fechan, A., Kotsun, V., Mykytyuk, Z., Vistak, M., Sushynskyi, O.

“…Liquid crystalline materials can be used as an active media for the new generation of planar light guides. The main characteristics which governs light-guiding…”
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New Method of the Threshold Voltages Determination of a Cholesteric-Nematic Transition by Hotra, Z., Mykytyuk, Z., Hotra, O., Fechan, A., Syshynskyy, O., Yasynovska, O., Kotsun, V.

“…We develop the method of determining the threshold voltages of a cholesteric-nematic transition which is based on the analysis of conoscopic images. To improve…”
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The Cholesteric-Nematic Transition in Thin Layers of Nematic-Cholesteric Mixtures by Hotra, Z., Mykytyuk, Z., Hotra, O., Fechan, A., Syshynskyy, O., Yasynovska, O., Kotsun, V.

“…In this article the investigation of the cholesteric-nematic transition in thin layers of nematic-cholesteric mixtures is carried out. Nematic-cholesteric…”
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Study of Elastic Constants of Cholesteric-Nematic Mixtures by Mykytyuk, Z., Fechan, A., Gural, V., Shymchyshyn, M., Yasynovska, O.

“…We propose a technique for determining of elastic constants K 22 and K 33 of induced cholesterics, which is based on studies of the electro-optic…”
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Light Scattering in Confocal Domains in Induced-Cholesteric Liquid Crystals by Mykytyuk, Z., Fechan, A., Sushynskyy, O., Shymchyshyn, M., Levenets, V.

“…The volt-contrast characteristics of the scattering indicatrix of induced cholesterics depending on the chiral dopant concentration have been investigated. The…”
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Sensing of carbon monoxide with porous Al2O3 intercalated with Fe3O4 nanoparticles-doped liquid crystal by Vistak, M., Sushynskyi, O., Mykytyuk, Z., Aksimentyeva, O., Semenova, Y.

“…•A novel nanocomposite material is proposed and investigated for a simple and low cost optical sensor of carbon monoxide.•The nanocomposite is obtained by…”
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Sensing of carbon monoxide with porous Al sub(2)O sub(3) intercalated with Fe sub(3)O sub(4) nanoparticles-doped liquid crystal by Vistak, M, Sushynski, O, Mykytyuk, Z, Aksimentyeva, O, Semenova, Y

“…This paper reports a study of carbon monoxide sensing properties for a novel nanocomposite material obtained by intercalation of a mixture of liquid crystal…”
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Highly sensitive active medium of sensor NO2 , based on cholesteric nematic mixture with impurities of carbon nanotubes by Z.M. Mykytyuk, M.V. Vistak, I.T. Kogut, V.S. Petryshak

“…The paper presents the results of the study of the parameters of the highly sensitive active medium of the NO2 sensor based on a cholesterol-nematic mixture…”
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Induced blue phase of cholesteric-nematic mixtures under the action of acetone vapors by Mykytyuk, Z.M., Kachurak, Y.M., Vistak, M.V., Kogut, I.T., Politanskyi, R.L., Shymchyshyn, O.Y., Diskovskyi, I.S., Vashchenko, P.V.

“…Liquid crystals can exhibit structural orientational order. The creation of a mixture with the addition of chiral molecules to the nematic liquid crystal…”
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The Current Phenomenon in the Indium-Tin Oxide-Alignment Layer-Liquid Crystal Structure by Mykytyuk, Z., Fechan, A., Sushynsky, O., Yasynovska, O., Kotsun, V.

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The Optical Element Based on a Planar Waveguide with Liquid Crystal Core by Mykytyuk, Z., Fechan, A., Sushynskyy, O., Gural, V.

“…One of the important disadvantages of information display devices based on the cholesteric-nematic effect is a low contrast level. We propose a new…”
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To analysis of amplification coefficient of optical planar amplifier by Mykytyuk, Z, Yasynovska, O, Kotsun, V, Rudyy, A, Varanytsia, A

“…In article the results of modeling of amplification coefficient of optical planar amplifier based on liquid crystal with dye mixture are carry out…”
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The optoelectronic device for the control availability of vapor of harmful substances by Mykytyuk, Z, Fechan, A, Sushynsky, O, Yasynovska, O

“…This work is devoted to designing of precision construction of vapor sensor of harmful substances…”
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Sensor network based on gas smart sensors for environmental monitoring by Mykytyuk, Z., Fechan, A., Shymchyshyn, O., Rudyi, A., Nazarenko, V., Petryshak, V.

“…This work describes the structure of the real time environmental monitoring automated system on the basis of the network of liquid crystal optical gas sensors…”
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Investigation the influence of carbon monoxide on the spectral characteristics of cholesteric liquid crystal-Fe2O3 nanodopant system by Hotra, Z., Mykytyuk, Z., Sushynskyy, O., Shymchyshyn, O., Chaban, O., Petryshak, V.

“…This work describe the results of spectral investigations of cholesteric liquid crystal-nanodopant Fe 2 O 3 system under the influence of carbon monoxide…”
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The optical self-contained generator based on the liquid-crystal cell by Mykytyuk, Z., Fechan, A., Dmytrah, V., Yasynovska, O.

“…This work is devoted to development of the self-contained generator of low frequency optic signal…”
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