Search Results - "Ursescu, D"

New light in nuclear physics: The extreme light infrastructure by Balabanski, D. L., Popescu, R., Stutman, D., Tanaka, K. A., Tesileanu, O., Ur, C. A., Ursescu, D., Zamfir, N. V.

“…Extreme Light Infrastructure-Nuclear Physics (ELI-NP), to become operational in 2019, is a new Research Center built in Romania that will use extreme…”
Get full text

Current status and highlights of the ELI-NP research program by Tanaka, K. A., Spohr, K. M., Balabanski, D. L., Balascuta, S., Capponi, L., Cernaianu, M. O., Cuciuc, M., Cucoanes, A., Dancus, I., Dhal, A., Diaconescu, B., Doria, D., Ghenuche, P., Ghita, D. G., Kisyov, S., Nastasa, V., Ong, J. F., Rotaru, F., Sangwan, D., Söderström, P.-A., Stutman, D., Suliman, G., Tesileanu, O., Tudor, L., Tsoneva, N., Ur, C. A., Ursescu, D., Zamfir, N. V.

“…The emergence of a new era reaching beyond current state-of-the-art ultrashort and ultraintense laser technology has been enabled by the approval of around €…”
Get full text

New frontiers in nuclear physics with high-power lasers and brilliant monochromatic gamma beams by Gales, S, Balabanski, D L, Negoita, F, Tesileanu, O, Ur, C A, Ursescu, D, Zamfir, N V

“…The development of high power lasers and the combination of such novel devices with accelerator technology has enlarged the science reach of many research…”
Get full text

Zernike-coefficient extraction via helical beam reconstruction for optimization (ZEHBRO) in the far field by Ohland, J. B., Posor, D., Eisenbarth, U., Iancu, V., Ungureanu, R., Ursescu, D., Bagnoud, V.

“…The spatial distribution of beams with orbital angular momentum in the far field is known to be extremely sensitive to angular aberrations, such as…”
Get full text

Laser cladding of MMC coatings on aluminium substrate: influence of composition and microstructure on mechanical properties by Dubourg, L., Ursescu, D., Hlawka, F., Cornet, A.

“…The influence of the composition and the microstructure of laser cladded metal matrix composite (MMC) coatings on their mechanical properties (namely hardness…”
Get full text

Post-compression of high-energy, sub-picosecond laser pulses by Bleotu, P.-G., Wheeler, J., Mironov, S. Yu, Ginzburg, V., Masruri, M., Naziru, A., Secareanu, R., Ursescu, D., Perez, F., De Sousa, J., Badarau, D., Veuillot, E., Audebert, P., Khazanov, E., Mourou, G.

“…The post-compression technique based on self-phase modulation of high-energy pulses leads to an increase in achievable peak power and intensity. Typically, the…”
Get full text

Spectral combination of ultrashort laser pulses by Banici, R, Ursescu, D

“…An ultrashort and ultraintense pulses combination method is proposed, based on the spectral combination of parallel laser pulses, with complementary spectra,…”
Get full text

The ELI–NP facility for nuclear physics by Ur, C.A., Balabanski, D., Cata-Danil, G., Gales, S., Morjan, I., Tesileanu, O., Ursescu, D., Ursu, I., Zamfir, N.V.

“…Extreme Light Infrastructure–Nuclear Physics (ELI–NP) is aiming to use extreme electromagnetic fields for nuclear physics research. The facility, currently…”
Get full text

On-site holographic interference method for fast surface topology measurements and reconstruction by Ionel, L, Ursescu, D, Neagu, L, Zamfirescu, M

“…Based on holographic interferometry technique, we develop a quantitative method for on-site characterization of surface topology and 3D reconstruction. The…”
Get full text

Substrate surface patterning by optical near field modulation around colloidal particles immersed in a liquid by Ulmeanu, M, Petkov, P, Ursescu, D, Jipa, F, Harniman, R, Brousseau, E, Ashfold, M N R

“…Optical near field enhancements in the vicinity of particles illuminated by laser light are increasingly recognized as a powerful tool for nanopatterning…”
Get full text

Spectral broadening for multi-Joule pulse compression in the APOLLON Long Focal Area facility by Bleotu, P.-G., Wheeler, J., Papadopoulos, D., Chabanis, M., Prudent, J., Frotin, M., Martin, L., Lebas, N., Freneaux, A., Beluze, A., Mathieu, F., Audebert, P., Ursescu, D., Fuchs, J., Mourou, G.

“…Spectral-broadening of the APOLLON PW-class laser pulses using a thin-film compression technique within the long-focal-area interaction chamber of the APOLLON…”
Get full text

Spatially resolved nanostructural transformation in graphite under femtosecond laser irradiation by Marcu, A., Avotina, L., Porosnicu, C., Marin, A., Grigorescu, C.E.A., Ursescu, D., Lungu, M., Demitri, N., Lungu, C.P.

“…•Polycrystalline graphite was irradiated with a high power fs (IR) laser.•Presence of a diamond peak was detected by synchrotron XRD.•XPS and Raman showed…”
Get full text

Cell adhesion response on femtosecond laser initiated liquid assisted silicon surface by Ulmeanu, M, Sima, L E, Ursescu, D, Enculescu, M, Bazan, X, Quintana, I

“…Silicon substrates were irradiated at normal incidence with a femtosecond Ti:sapphire laser (Quatronix, 90 fs pulse duration, 1 kHz repetition rate, M(2) ~…”
Get more information

Periodic striations on beryllium and tungsten surfaces by indirect femtosecond laser irradiation by Lungu, C. P., Ticoş, C. M., Poroşnicu, C., Jepu, I., Lungu, M., Marcu, A., Luculescu, C., Cojocaru, G., Ursescu, D., Bănici, R., Ungureanu, G. R.

“…Femtosecond laser pulses with λ = 800 nm were focused in air at one atmosphere and in deuterium (D) at low pressure. Submicron periodic structures were…”
Get full text

Aluminum alloy nanosecond vs femtosecond laser marking by RUSU, S, BUZAIANU, A, GALUSCA, D G, IONEL, L, URSESCU, D

“…Based on the lack of consistent literature publications that analyse the effects of laser marking for traceability on various materials, the present paper…”
Get full text

Laser-based acceleration for nuclear physics experiments at ELI-NP by Tesileanu, O., Asavei, Th, Dancus, I., Gales, S., Negoita, F., Turcu, I.C.E., Ursescu, D., Zamfir, N.V.

“…As part of the Extreme Light pan-European research infrastructure, Extreme Light Infrastructure − Nuclear Physics (ELI-NP) in Romania will focus on topics in…”
Get full text

Gain and ionization dynamics in transient, collisionaly excited X-ray lasers by Ursescu, D, Ionel, L

“…Ionization dynamics in Transient Collisionaly Excited (TCE), Grazing Incidence Pumped Mo X-Ray laser was investigated. The generation of the active medium for…”
Get full text

Multiple ultra-short pulses generation for collinear pump-probe experiments by Ursescu, D, Ionel, L, Banici, R, Dabu, R

“…A multiple pulses chirped pulse amplification (MPCPA) laser system was developed. The system can be used for multiple pulses generation in collinear pump probe…”
Get full text

Quantitative study of 10 Hz operation of a soft x-ray laser-energy stability and target considerations by Lindau, F, Lundh, O, Persson, A, Cassou, K, Kazamias, S, Ros, D, Plé, F, Jamelot, G, Klisnick, A, de Rossi, S, Joyeux, D, Zielbauer, B, Ursescu, D, Kühl, T, Wahlström, C-G

“…A soft x-ray laser from Ni-like Mo, pumped in grazing incidence (GRIP), is analyzed with regard to high repetition rate operation. Reliable lasing is obtained,…”
Get full text

Terawatt laser system irradiation of carbon/tungsten bilayers by Lungu, C. P., Marcu, A., Porosnicu, C., Jepu, I., Lungu, A. M., Chiru, P., Luculescu, C., Banici, R., Ursescu, D., Dabu, R., Feraru, I. D., Grigorescu, C. E. A., Iacobescu, G., Osiac, M., Kovač, J., Nemanič, V., Hinkov, I., Farhat, S., Gicquel, A., Brinza, O.

“…Using the original thermionic vacuum arc method (TVA), carbon films with the thickness of about 2500 nm were coated on top of 200 nm tungsten films deposited…”
Get full text