Перегляд за автором "Oleksenko, P.F."

Результати 1-10 з 10

Determination of the spectral dependence for the absorption coefficient of phosphor inorganic microparticles

Khmil’, D.N.; Kamuz, A.M.; Oleksenko, P.F.; Kamuz, V.G.; Aleksenko, N.G.; Kamuz, O.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)

Developed in the work has been the mathematical model of the composite film, which enables to calculate the wavelength dependence of the absorption coefficient of microcrystals in the phosphor composition. Also, developed ...
Fluctuations of current, electroluminescence and acoustic emission in light-emitting А³В⁵ heterostructures

Vlasenko, A.I.; Lyashenko, O.V.; Oleksenko, P.F.; Veleschuk, V.P. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2008)

It is shown, that in heterostructures based on A³B⁵ compounds acoustic emission occurrence, current and light fluctuations, evolution electroluminescence spectrums, current-voltage characteristics degradation occur ...
Fourier Raman spectroscopy studies of the As₄₀S₆₀-xSex glasses

Stronski, A.V.; Vlček, M.; Oleksenko, P.F. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2001)

The present paper is concerned with the investigations of As₄₀S₆₀-xSex glasses with the help of Fourier Raman spectroscopy. The results of Raman spectroscopy investigations indicate increased presence of non-stoichiometric ...
Laser oscillation in Cr²⁺:ZnS waveguide thin-film structures under electrical pumping with impact excitation mechanism

Vlasenko, N.A.; Oleksenko, P.F.; Mukhlyo, M.O.; Lytvyn, P.M.; Veligura, L.I.; Denisova, Z.L. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2011)

The laser oscillation at room temperature in Cr²⁺:ZnS waveguide thin-film structures under electrical pumping with the impact excitation mechanism was first discovered after improvement of some waveguide optical properties. ...
Method for determination of the absorption coefficient in films based on photoluminophore suspension for white LEDs

Khmil, D.N.; Kamuz, A.M.; Oleksenko, P.F.; Kamuz, V.G.; Aleksenko, N.G.; Kamuz, O.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)

Developed in this work is the method for measuring the absorption coefficient in optically non-homogeneous media (films prepared from photoluminophore suspension). Using this new method, the authors have measured the ...
Method for determination of the absorption coefficient in films based on photoluminophore suspension for white LEDs

Khmil, D.N.; Kamuz, A.M.; Oleksenko, P.F.; Kamuz, V.G.; Aleksenko, N.G.; Kamuz, O.A. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2015)

Developed in this work is the method for measuring the absorption coefficient in optically non-homogeneous media (films prepared from photoluminophore suspension). Using this new method, the authors have measured the ...
Mid-IR impurity absorption in As₂S₃ chalcogenide glasses doped with transition metals

Paiuk, A.P.; Stronski, A.V.; Vuichyk, N.V.; Gubanova, A.A.; Krys’kov, Ts.A.; Oleksenko, P.F. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2012)

Room temperature IR impurity absorption spectra in 1 4000 7000 cm ( 4.1 - 25um ) region for chalcogenide glasses of As₂S₃ doped with chromium (0.5, 1 wt.%) and manganese (0.1, 1, 2, 5 wt.%) have been studied. The effects ...
Optical properties of quantum-sized structures and two-dimensional photon crystals fabricated in semiconductor substrates using irreversible giant modification

Kamuz, A.M.; Oleksenko, P.F.; Kamuz, O.A.; Ilin, O.A.; Stronski, A.V. (Functional Materials, 2008)

It is known that using the irreversible giant modification, it is possible to change locally the refractive index of semiconductors. This work is concerned with the development of the methods of photonic crystal formation ...
Stimulated emission of Cr²⁺ ions in ZnS:Cr thin-film electroluminescent structures

Vlasenko, N.A.; Oleksenko, P.F.; Mukhlyo, M.A.; Veligura, L.I.; Denisova, Z.L. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2009)

First observation of stimulated Cr²⁺ emission in ZnS:Cr electroluminescent (EL) impact-excited thin-film waveguide structures is reported. The structures consist of the following thin films deposited on a glass substrate: ...
Thermofield Cr→Cr²⁺ recharging resulting in anomalous intensification of Cr²⁺ emission in ZnS:Cr thin-film electroluminescent structures

Vlasenko, N.A.; Oleksenko, P.F.; Denisova, Z.L.; Mukhlyo, M.A.; Veligura, L.I. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2007)

For the first time, an anomalous strong increase of the Cr²⁺ emission intensity (I) with increasing the applied voltage (V) has been discovered in ZnS:Cr thin-film electroluminescent structures (TFELS) instead of the ...

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Перегляд за автором "Oleksenko, P.F."

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