Search Results - "Matijošius, A."

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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Space-Time Recovery of Arbitrarily Shaped Wave-Packets by Means of Three Dimensional Imaging Technique by A. Matijošius, R. Piskarskas, E. Gaižauskas, A. Dubietis, P. Di Trapani

“…We study numerically and experimentally self-focusing dynamics of femtosecond light pulses. By demonstrating the potential of three dimensional imaging…”
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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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Time-gated spectral characterization of ultrashort laser pulses by Bragheri, F., Liberale, C., Degiorgio, V., Faccio, D., Matijosius, A., Tamošauskas, G., Varanavičius, A., Di Trapani, P.

“…We present a novel time-gated characterization technique that allows to directly monitor the time evolution of the angular spectra within femtosecond laser…”
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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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Near- and far-field evolution of laser pulse filaments in Kerr media by Faccio, D, Matijosius, A, Dubietis, A, Piskarskas, R, Varanavicius, A, Gaizauskas, E, Piskarskas, A, Couairon, A, Di Trapani, P

“…Measurements of the spatio-temporal and far-field profiles of ultrashort laser pulses experiencing conical emission, continuum generation, and beam…”
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Spatiotemporal three-dimensional mapping of nonlinear X waves by Trull, J, Jedrkiewicz, O, Di Trapani, P, Matijosius, A, Varanavicius, A, Valiulis, G, Danielius, R, Kucinskas, E, Piskarskas, A, Trillo, S

“…The spatiotemporal intensity profile of a 100-fs wave packet at the output of a X2 crystal, tuned for mismatched second-harmonic generation, is probed via…”
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Second harmonic generation of Bessel vortices by Jarutis, V., Matijosius, A., Piskarskas, A., Smilgevicius, V., Stabinis, A.

“…Summary form only given. During the late 1990s, Bessel (nondiffracting) light beams have been under extensive consideration. An unapertured Bessel beam does…”
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Conical-emission and shock-front dynamics in femtosecond laser-pulse filamentation by Bragheri, F., Faccio, D., Couairon, A., Matijosius, A., Tamošauskas, G., Varanavičius, A., Degiorgio, V., Piskarskas, A., Di Trapani, P.

“…We investigate both experimentally and numerically the space-time dynamics of an ultrashort laser pulse during self-focusing and nonlinear propagation in water…”
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Space-time dynamics of ultrashort light pulses in water by Matijosius, A., Piskarskas, R., Dubietis, A., Trull, J., Varanavicius, A., Piskarskas, A., Di Trapani, P.

“…We monitor the space-time transformation of 150-fs pulse, which undergoes self-focusing and filamentation in water, by means of the nonlinear gating technique…”
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Three-dimensional holographic reconstruction of nonlinear wavepackets using a temporal gate by Potenza, M.A.C., Minardi, S., Trull, J., Di Trapani, P., Varanavicius, A., Matijosius, A., Piskarskas, A.

“…The paper describes an improved version of an optical gating technique. The potentiality in recovering the spatio-temporal intensity distribution of ultrashort…”
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Non-linear space-time dynamics of ultrashort wave-packets in water by Matijosius, A, Trull, J, Di Trapani, P, Dubietis, A, Piskarskas, R, Varanavicius, A, Piskarskas, A

“…We have monitored the space-time transformation of 150-fs pulse, undergoing self-focusing and filamentation in water, by means of the nonlinear gating tech-…”
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Second harmonic generation of Bessel vortex by Matijosius, A., Piskarskas, A., Smilgevieius, V., Stabinis, A.

“…Summary form only given. In 1993 Basistiy et al. doubled the frequency of the Laguerre-Gauss optical vortex. The parametric interactions in nonlinear crystals…”
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Spontaneous X-pulse generation in a Kerr medium by Matijosius, A., Faccio, D., Di Trapani, P., Couairon, A.

“…This study utilizes a new nonlinear 3D-mapping technique and gives the first direct experimental demonstration of spontaneous X-pulse generation in a Kerr…”
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Parametric frequency conversion of optical vortices by Matijosius, A., Piskarskas, A., Smilgevicius, V., Stabinis, A.

“…Summary form only given. It is demonstrated that walk-off essentially changes the dynamics of optical vortex interaction in sum-frequency mixing in nonlinear…”
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Second Harmonic Generation Of Optical Vortices by Berzanskis, A., Matijosius, A., Piskarskas, A., Smilgevicus, V., Stabinis, A.

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Time-gated angular-spectrum characterization of fs-beam filamentation in water by Bragheri, F., Liberale, C., Degiorgio, V., Faccio, D., Matijosius, A., Di Trapani, P., Tamosauskas, G., Varanavicius, A., Piskarskas, A.

“…We exploited the new gated angular spectrum (GAS) technique for characterising the complex non-linear dynamics of intense fs infrared pulses underlying beam…”
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Three-dimensional reconstruction of nonlinear wavepackets using a temporal gate by Trull, J., Minardi, S., Di Trapani, P., Jedrkiewicz, O., Potenza, M., Matijosius, A., Valiulis, G., Varanavicius, A., Danielius, R., Piskarskas, A., Kucinskas, E.

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Parametric Amplification and Topological Charge Reversal of an Optical Vortex by Berzanskis, A., Matijosius, A., Pikarskas, A., Smilgevcius, V., Stabinis, A.

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Three-dimensional reconstruction of nonlinear wavepackets using a temporal gate by Trull, J., Minardi, S., Di Trapani, P., Jedrkiewicz, O., Potenza, M., Matijosius, A., Valiulis, G., Varanavicius, A., Danielius, R., Piskarskas, A., Kucinskas, E.

“…Three-dimensional reconstruction of light wave-packets with complex spatio-temporal profiles is obtained by means of a second order cross-correlation scheme…”
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