Search Results - "Gadonas, R"

Super-collimation by axisymmetric photonic crystals by Purlys, V., Maigyte, L., Gailevičius, D., Peckus, M., Gadonas, R., Staliunas, K.

“…We propose and experimentally show the mechanism of beam super-collimation by axisymmetric photonic crystals, specifically by periodic (in propagation…”
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3D microoptical elements formed in a photostructurable germanium silicate by direct laser writing by Malinauskas, M., Žukauskas, A., Purlys, V., Gaidukevičiu¯tė, A., Balevičius, Z., Piskarskas, A., Fotakis, C., Pissadakis, S., Gray, D., Gadonas, R., Vamvakaki, M., Farsari, M.

“…We present our investigations into the fabrication of three-dimensional microoptical elements by the direct femtosecond laser writing of a germanium–silicon…”
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Influence of hybrid organic–inorganic sol–gel matrices on the photophysics of amino-functionalized UV-sensitizers by Oubaha, M., Copperwhite, R., Boothman, C., Ovsianikov, A., Kiyan, R., Purlys, V., O’Sullivan, M., McDonagh, C., Chichkov, B., Gadonas, R., MacCraith, B. D.

“…Recent interest in photolithographic processes employing single and two-photon absorption processes have afforded advanced opportunities to fabricate both…”
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Novel tantalum based photocurable hybrid sol–gel material employed in the fabrication of channel optical waveguides and three-dimensional structures by Oubaha, M., Copperwhite, R., Gorin, A., Purlys, V., Boothman, C., O'Sullivan, M., Gadonas, R., McDonagh, C., MacCraith, B.D.

“…▶ In this study we have developed for the first time photocurable hybrid organosiloxane-tantalum based materials. ▶ The structuration of this material…”
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Self-action of Bessel beam in nonlinear medium by Gadonas, R., Jarutis, V., Paškauskas, R., Smilgevičius, V., Stabinis, A., Vaičaitis, V.

“…The modifications of the angular spectrum of an intense Bessel beam caused by its self-action in nonlinear medium are revealed. The appearance of a central…”
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Nonlinear self-reconstruction of truncated Bessel beam by Butkus, R., Gadonas, R., Janušonis, J., Piskarskas, A., Regelskis, K., Smilgevičius, V., Stabinis, A.

“…It is demonstrated that by blocking of the part of Bessel light beam azimuthal aperture, a far field ring is completely reconstructed in azimuth and partially…”
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Travelling wave optical parametric generator pumped by a conical beam by Gadonas, R, Marcinkevičius, A, Piskarskas, A, Smilgevičius, V, Stabinis, A

“…For the first time an operation of the travelling wave optical parametric generator (TOPG) pumped by the conical beam is demonstrated. The output radiation of…”
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Transverse phase-matching in stimulated Raman scattering by a Bessel beam by Gadonas, R., Jarutis, V., Marcinkevičius, A., Smilgevičius, V., Stabinis, A., Vaičaitis, V.

“…The theoretical analysis of the transverse phase-matching conditions for the first Stokes and first anti-Stokes radiation in stimulated Raman scattering by a…”
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Angular distribution of second harmonic radiation generated by Bessel beam by Gadonas, R, Jarutis, V, Marcinkevičius, A, Smilgevičius, V, Stabinis, A

“…The theoretical and experimental results of the investigation of an angular distribution of second harmonic radiation generated by Bessel beam are presented…”
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Annihilation enhanced four-wave mixing in molecular aggregates by Gaižauskas, E., Feller, K.-H., Gadonas, R.

“…The influence of exciton annihilation on the efficiency of four-wave mixing process was investigated theoretically. The study was performed in the framework of…”
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Laser 3D micro/nanofabrication of polymers for tissue engineering applications by Danilevičius, P., Rekštytė, S., Balčiūnas, E., Kraniauskas, A., Širmenis, R., Baltriukienė, D., Bukelskienė, V., Gadonas, R., Sirvydis, V., Piskarskas, A., Malinauskas, M.

“…In this work, we applied a constructed multi-photon polymerization system based on diode-pumped solid state femtosecond Yb:KGW laser used as pulsed irradiation…”
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Atomic force microscopy and non-linear optical studies of stilbazolium dyes in Langmuir-Blodgett layers by Grummt, U.-W., Feller, K.-H., Lehmann, F., Colditz, R., Gadonas, R., Pugzlys, A.

“…A series of stilbazolium amphiphilic dyes has been synthesized under a variation of the chromophore structure. AM1 (SOS) calculations of β were performed. In…”
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Absorption and fluorescent properties of pyrylium compounds: II. Spectra and cross sections for absorption from the ground and excited states of the structurally rearranged form by Bonch-Bruevich, A. M., Gadonas, R., Kaliteevskaya, E. N., Krasauskas, V., Pyalakauskas, A., Razumova, T. K., Roshal’, A. D., Tarnovskii, A. N.

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The study of excitation transfer between light-harvesting antenna and reaction center in chromatophores from purple bacterium Rhodospirillum rubrum by selective picosecond spectroscopy by Razjivin, A.P., Danielius, R.V., Gadonas, R.A., Borisov, A.Yu, Piskarskas, A.S.

“…The primary photophysical processes of photosynthesis are usually subdivided into: (i) Delivery of excitation from light-harvesting antenna pigments to…”
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Picosecond absorption spectroscopy and its application to the study of nucleic acid components by GADONAS, r. a, DANIELIUUS, R. V, PISKARSKAS, A. S, PROSSER, V, SIP, M

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Minor component B-905 of light-harvesting antenna in Rhodospirillum rubrum chromatophores and the mechanism of singlet—singlet annihilation as studied by difference selective picosecond spectroscopy by Borisov, A.Yu, Gadonas, R.A., Danielius, R.V., Piskarskas, A.S., Razjivin, A.P.

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3D glass-ceramic templates for micro-/nano-optics realized via laser nanolithography and pyrolysis by Gailevicius, D., Jonusauskas, L., Sakalauskas, D., Sakirzanovas, S., Gadonas, R., Mizeikis, V., Staliunas, K., Juodkazis, S., Malinauskas, M.

“…Summary form only given. Ceramics play an important role in today's science and industry as it can withstand immense heat, mechanical and other hazards. For…”
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Direct laser fabrication of composite material 3D microstructured scaffolds by Rekstyte, S., Balciunas, E., Baltriukiene, D., Rutkunas, V., Bukelskiene, V., Gadonas, R., Malinauskas, M.

“…Summary form only given. We present direct laser fabrication of 3D microstructured scaffolds consisting out of a few polymeric materials owning different…”
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Controlled self-formation of nanofibers and nanomembranes in polymers induced by laser direct writing by Malinauskas, M., Ovsianikov, A., Bickauskaite, G., Xiao Shizhou, Chichkov, B., Gadonas, R.

“…In this paper, the authors present results of their experimental work in self-formed nanofibers and nanomembranes in acrylate based photosensitive material…”
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Direct laser writing of microoptical structures using a germanium-containing hybrid photopolymer by Malinauskas, M., Zukauskas, A., Purlys, V., Kambouraki, E., Gaidukeviciute, A., Sakellari, I., Pissadakis, S., Gadonas, R., Vamvakaki, M., Farsari, M.

“…Direct laser writing of microoptical structures using a germanium-containing hybrid photopolymer is reported. Experimental results on structuring micro-optical…”
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