Search Results - "Smilgevičius, V"

Propagation of Bessel beams carrying optical vortices by Orlov, S., Regelskis, K., Smilgevičius, V., Stabinis, A.

“…The variation of the vorticity of the superposition of two Bessel singular beams under free-space propagation is analyzed. We demonstrate that in the near…”
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Sum-frequency mixing of optical vortices in nonlinear crystals by Beržanskis, A, Matijošius, A, Piskarskas, A, Smilgevičius, V, Stabinis, A

“…Results of theoretical and experimental investigation of the influence of walk-off on sum-frequency mixing of optical vortices in nonlinear crystals are…”
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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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Influence of parametric diffraction on conversion efficiency in two-beam-pumped optical parametric amplifier by Kezys, D., Pyragaite, V., Stabinis, A., Butkus, R., Smilgevičius, V.

“…We investigate theoretically the parametric diffraction effect in the two-beam-pumped optical parametric amplifier. The analytical solutions for the signal as…”
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Minimization of parametric diffraction effect in two-beam pumped optical parametric amplification by Pyragaite, V., Butkus, R., Archipovaitė, G., Kezys, D., Stabinis, A., Piskarskas, A., Smilgevičius, V.

“…Parametric diffraction at small intersection angles of pump beams is investigated theoretically as well as experimentally in the case of optical parametric…”
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Prospects for increasing average power of optical parametric chirped pulse amplifiers via multi-beam pumping by Ališauskas, S., Butkus, R., Pyragaitė, V., Smilgevičius, V., Stabinis, A., Piskarskas, A.

“…We demonstrate optical parametric amplification of broadband chirped pulses in BBO crystal pumped by several intersecting beams extracted from independent…”
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Modulation of spatial spectrum in tunable two crystal optical parametric generator by Ališauskas, S., Butkus, R., Piskarskas, A., Regelskis, K., Smilgevičius, V.

“…We report on theoretical and experimental investigations of two crystal traveling-wave optical parametric generator (OPG). It is shown that the efficiency and…”
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Conversion of topological charge of optical vortices in a parametric frequency converter by Berzˆanskis, A., Matijosˇius, A., Piskarskas, A., Smilgevicˇius, V., Stabinis, A.

“…It is shown that sum-frequency generation of light beams with vortices allows to construct vortices of different topological charges. An optical parametric…”
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Self-action of Bessel light beams in medium with large nonlinearity by Pyragaite, V., Regelskis, K., Smilgevicius, V., Stabinis, A.

“…The modifications of an angular spectrum of the intense Bessel J 0 and J 1 beams caused by self-action in the medium with large cubic nonlinearity are…”
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Generation of a coherent second-harmonic beam from incoherent conical beams by Stanislovaitis, P., Narmontas, A., Pyragaite, V., Smilgevičius, V.

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Parametric amplification in the field of incoherent light by Pyragaite, V., Stabinis, A., Piskarskas, A., Smilgevičius, V.

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Phase matching of optical X-waves in nonlinear crystals by Butkus, R., Orlov, S., Piskarskas, A., Smilgevicius, V., Stabinis, A.

“…The phase-matching conditions of interacting X-waves in nonlinear crystals are obtained for the first time. The range of X-wave velocities feasible for…”
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Free-space propagation of second harmonic beams carrying optical vortices by Orlov, S, Regelskis, K, Smilgevičius, V, Stabinis, A

“…A vorticity of free propagating SH beam produced in nonlinear crystal by combined beam composed of two coaxial Laguerre–Gaussian vortex beams is analyzed. It…”
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Controlling the signal angular profile in a Bessel-beam-pumped optical parametric amplifier by Pyragaite, V., Smilgevičius, V., Butkus, R., Narmontas, A., Stabinis, A., Piskarskas, A.

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10-mJ optically synchronized CEP-stable chirped parametric amplifier at 1.5 μm by Mücke, O. D., Sidorov, D., Dombi, P., Pugžlys, A., Ališauskas, S., Smilgevičius, V., Forget, N., Posius, J., Giniūnas, L., Danielius, R., Baltuška, A.

“…We demonstrate the generation of 10-mJ 1.5-μm few-cycle pulses from a 4-stage OPCPA system. The system is based on a fusion of femtosecond DPSS Yb technology…”
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Conversion of broadband incoherent pump to narrowband signal in an optical parametric amplifier by Pyragaite, V., Smilgevičius, V., Butkus, R., Stabinis, A., Piskarskas, A.

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Noncollinear optical parametric oscillator with periodically poled KTP by Smilgevičius, V, Stabinis, A, Piskarskas, A, Pasiškevičius, V, Hellström, J, Wang, S, Laurell, F

“…We demonstrate efficient noncollinear low-threshold optical parametric oscillation in periodically poled KTP crystal pumped by the second harmonic of the…”
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Second harmonic generation of higher-order Bessel beams by Jarutis, V., Matijošius, A., Smilgevičius, V., Stabinis, A.

“…Second harmonic generation of higher-order Bessel beams (Bessel vortices) formed by axicon was investigated in KTP crystal. A splitting of frequency-doubled…”
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Parametric down-conversion of higher-order Bessel optical beams in quadratic nonlinear medium by Pyragaite, V., Piskarskas, A., Regelskis, K., Smilgevicius, V., Stabinis, A., Mikalauskas, S.

“…It is revealed that orbital angular momentum can be conserved within the spontaneous parametric down-conversion of higher-order Bessel beam. That is the result…”
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Localization of optical wave packets by linear parametric amplification by Butkus, R., Orlov, S., Piskarskas, A., Smilgevičius, V., Stabinis, A.

“…It is revealed that simultaneous suppression of temporal and spatial spread of optical wave packets, which are free of angular dispersion can be achieved by…”
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