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articol de periodic |
1976 |
Revue Roumaine de Physique, 21-1 |
LUPEI, Voicu (autor)
,
GEORGESCU, S. (autor)
,
URSU, Ioan (autor)
|
E.P.R. of U5+ ion in X-ray irradiated NaF-U |
|
25-29 |
|
|
articol de periodic |
1976 |
Revue Roumaine de Physique, 21-9 |
LUPEI, Victor (autor)
,
LUPEI, A. (autor)
,
GEORGESCU, S. (autor)
|
EPR of U5+ center in LF |
|
907-915 |
|
|
articol de periodic |
1980 |
Revue Roumaine de Physique, 25-7 |
GEORGESCU, S. (autor)
,
RISTICI, E. (autor)
,
VOICU, I. (autor)
|
Shadow and protoelastic patterns of a KCl single crystal grown by Czochralski method |
|
829-832 |
|
|
articol de periodic |
1981 |
Revue Roumaine de Physique, 26-2 |
CIUCU, C. (autor)
,
GEORGESCU, S. (autor)
,
LUPEI, Voicu (autor)
|
Energy levels and "free ion" parameters for YAlO3, Nd3+ |
|
169- |
|
|
articol de periodic |
1982 |
Revue Roumaine de Physique, 27-6-7 |
GEORGESCU, S. (autor)
|
Energy levels and some spectroscopic characteristics of Er3+ in YAG |
|
633-637 |
|
|
articol de periodic |
1983 |
Revue Roumaine de Physique, 28-6 |
LUPEI, A. (autor)
,
LUPEI, Voicu (autor)
,
DOMȘA, F. (autor)
,
GEORGESCU, S. (autor)
,
MÎNZATU, V. (autor)
,
URSU, Ioan (autor)
|
Passive q-switch with color centers for neodymium lasers |
|
525-528 |
|
|
articol de periodic |
1984 |
Revue Roumaine de Physique, 29-8 |
GHIȚĂ, I. (autor)
,
GEORGESCU, S. (autor)
,
BUCUR, M. (autor)
,
DUNCA, T. (autor)
|
Net negative charghe effect in p'n planar structures |
|
743-749 |
|
|
articol de periodic |
1985 |
Revue Roumaine de Physique, 30-3 |
GEORGESCU, S. (autor)
,
IONESCU, C. (autor)
,
VOICU, I. (autor)
,
ZHELOV, V.I. (autor)
|
A modified Judd-Ofelt analysis of Er3+ in YAG |
|
265-276 |
|
|
articol de periodic |
1986 |
Revue Roumaine de Physique, 31-9-10 |
GEORGESCU, S. (autor)
,
LUPEI, Voicu (autor)
,
URSU, Ioan (autor)
,
ZHEKOV, V.I. (autor)
,
LOBACHEV, V.A. (autor)
,
MURINA, T.M. (autor)
,
PROKHOROV, A.M. (autor)
|
The role of cross-relaxation mechanisms in the quasistationary generation regime of the YAG: Er Laser |
|
857-865 |
|
|
articol de periodic |
1987 |
Revue Roumaine de Physique, 32-9 |
URSU, Ioan (autor)
,
LUPEI, Voicu (autor)
,
LUPEI, A. (autor)
,
GEORGESCU, S. (autor)
,
IOBESCU, C. (autor)
,
JIANG, Min (autor)
|
Anomalous decay of Nd3+ ions luminiscence in YAG cristals |
|
1003-1008 |
|
|
articol de periodic |
1988 |
Revue Roumaine de Physique, 33-4-6 |
PROKNOROV, A.M. (autor)
,
ZHEKOV, V.L. (autor)
,
MURINA, T.M. (autor)
,
STUDENIKIN, M.I. (autor)
,
LUPEI, Voicu (autor)
,
GEORGESCU, S. (autor)
,
LUPEI, A. (autor)
,
IONESCU, C. (autor)
|
Luminiscence quenching of the 4S3/2Fr3+ livel in AYG |
|
843-846 |
|
|
articol de periodic |
1988 |
Revue Roumaine de Physique, 33-4-6 |
YEN, W.M. (autor)
,
LUPEI, Voicu (autor)
,
LUPEI, A. (autor)
,
GEORGESCU, S. (autor)
,
IONESCU, C. (autor)
|
Pair effects on the kinetics and efficiency of Nd3+ luminiscence in YAG |
|
1007-1011 |
|
|
articol de periodic |
1989 |
Revue Roumaine de Physique, 34-6 |
URSU, Ioan (autor)
,
LUPEI, A. (autor)
,
GEORGESCU, S. (autor)
,
LUPEI, Voicu (autor)
,
PROKHOROV, A.M. (autor)
,
THEKOV, V.I. (autor)
,
MURINA, T.M. (autor)
|
Temperature effects on the 4S3/2 luminescence decay of Er3+ in YAG |
|
643-561 |
|
|
articol de periodic |
1989 |
Revue Roumaine de Physique, 34-7-9 |
GEORGESCU, S. (autor)
,
IONESCU, C. (autor)
|
On the kinetics of 4III/2 level of Er3+ in YAG |
|
813-817 |
|
|
articol de periodic |
1989 |
Revue Roumaine de Physique, 34-7-9 |
URSU, Ioan (autor)
,
LUPEI, A. (autor)
,
GEORGESCU, S. (autor)
,
LUPEI, V. (autor)
|
Quenching processes of the 4S3/2 luminiscence of ER3+ in YANG at room temperature |
|
829-837 |
|
|
articol de periodic |
1991 |
Revue Roumaine de Physique, 36-9 |
URSU, Ioan (autor)
,
LUPEI, V. (autor)
,
LUPEI, A. (autor)
,
GEORGESCU, S. (autor)
|
Acceptor distribution and energy transfer processes |
|
633-648 |
|
|
articol de periodic |
2006 |
Romanian Journal of Physics, 51-5-6 |
TOMA, O. (autor)
,
GEORGESCU, S. (autor)
|
Pump wavengths for an upconversion-pumped Er:YAG green-emitting laser |
|
649-661 |
|
|
articol de periodic |
2006 |
Romanian Journal of Physics, 51-7-8 |
CHINIE, A.M. (autor)
,
GEORGESCU, S. (autor)
,
MATEESCU, A. (autor)
,
ȘTEFAN, A. (autor)
|
Thin films of YAG:Er |
|
827-831 |
|
|
articol de periodic |
2007 |
Romanian Journal of Physics, 52-3-4 |
CONSTANTINESCU, S. (autor)
,
GEORGESCU, S. (autor)
,
BIBICU, I. (autor)
,
CHINIE, A. (autor)
,
ȘTEFAN, A. (autor)
,
TOMA, O. (autor)
|
Mossbauer and oprical investigation of Eu:YAG nanocrystals syntrhesized by a sol-gel method |
|
295-307 |
|
|
articol de periodic |
2010 |
Romanian Journal of Physics, 55-7-8 |
GEORGESCU, S. (autor)
,
COTOI, E. (autor)
,
VOICULESCU, A. (autor)
,
TOMA, O. (autor)
,
MATEI, Cristian (autor)
|
Reflectance spectra of YVO4:Eu3+ phosphoros synthesized by direct precipitation |
|
750-757 |
|
|
articol de periodic |
2013 |
Romanian Journal of Physics, 58-1-2 |
VOICULESCU, A. (autor)
,
GEORGESCU, S. (autor)
,
MATEI, Cristian (autor)
,
STEFAN, A. (autor)
,
GHEORGHE, I. (autor)
,
ACHIM, A. (autor)
,
VOICU, F. (autor)
|
Infrared-excited red, green, violet and UV luminiscence from langasite crystal doped with Erbium and Ytterbium |
|
136-142 |
|
|
articol de periodic |
2013 |
Romanian Journal of Physics, 58-3-4 |
TOMA, O. (autor)
,
GEORGESCU, S. (autor)
|
Selectively exited Er3+ lumininiscence in Calcium Lithium Niobium Gallium Garnet |
|
365- |
|
|
articol de periodic |
2015 |
Romanian Journal of Physics, 60-3-4 |
VOICULESCU, A. (autor)
,
GEORGESCU, S. (autor)
,
MATEI, Cristian (autor)
,
ȘTEFAN, A. (autor)
,
TOMA, O. (autor)
|
Synthesis and characterization of La3Ga5.5Ta0.5O14 doped with holmium an Ytterbium |
|
495-501 |
|
|
articol de periodic |
2005 |
Romanian Reports in Physics, 57-2 |
CONSTANTINESCU, Șerban (autor)
,
GHEORGHE, L. (autor)
,
STOICESCU, C. (autor)
,
GEORGESCU, S. (autor)
,
TOMA, O. (autor)
,
BIBICU, I. (autor)
|
Growth and YRD, optical and Mossbauer investigations of Eu-doped trigonal La-gallosilicate craystals |
|
249-260 |
|
|
articol de periodic |
2005 |
Romanian Reports in Physics, 57-3 |
CHINIE, A. (autor)
,
ȘTEFAN, A. (autor)
,
GEORGESCU, S. (autor)
|
Synthesis by a citrate sol-gel method and characterization of Eu3+-doped yttrium aluminium garnet nanocrystals |
|
433-439 |
|
|
articol de periodic |
2008 |
Romanian Reports in Physics, 60-4 |
GEORGESCU, S. (autor)
,
COTOI, E. (autor)
,
VOICULESCU, A. (autor)
,
TOMA, O. (autor)
|
Effects of particle size on the luminescence of YVO4:Eu nanocrystals |
|
947-955 |
|
|
articol de periodic |
2010 |
Romanian Reports in Physics, 62-1 |
VOICULESCU, A. (autor)
,
COTOI, E. (autor)
,
TOMA, O. (autor)
,
GEORGESCU, S. (autor)
,
CONSTANTINESCU, S. (autor)
,
BIBICU, I. (autor)
|
Optical and Mossbauer spectroscopy studies on YVO4: Eu nanophosphor |
|
121-127 |
|
|
articol de periodic |
2010 |
Romanian Reports in Physics, 62-1 |
GEORGESCU, S. (autor)
,
VOICULESCU, A. (autor)
,
MATEI, Cristian (autor)
,
TOMA, O. (autor)
,
GHEORGHE, L. (autor)
,
ACHIM, A. (autor)
|
Reflectance measurements on Europium-doped langasite, langanite and langatate powders |
|
128-133 |
|
|
articol de periodic |
2012 |
Romanian Reports in Physics, 64-3 |
GEORGESCU, S. (autor)
,
VOICULESCU, A. (autor)
,
NĂSTASE, S. (autor)
,
TOMA, O. (autor)
,
MATEI, Cristian (autor)
,
BÎRJEGA, R. (autor)
|
Effect aluminium substitution on thee phase stability and luminiscence properties of Eu-doped langanite nano-powders synthesized by a citrate sol-gel method |
|
737-742 |
|
|
articol de periodic |
1980 |
Studii și Cercetări de Fizică, 32-7 |
BARNA, S. (autor)
,
DOLLINGHER, L. (autor)
,
GEORGESCU, S. (autor)
,
ISBĂȘESCU, M. (autor)
|
Sticla laser românească LR-19 |
|
793-812 |
|
|
articol de periodic |
1982 |
Studii și Cercetări de Fizică, 34-2 |
GEORGESCU, S. (autor)
,
CIUCU, C. (autor)
,
VOICU, L. (autor)
,
BARNA, S. (autor)
,
DOLLINGHER, L. (autor)
|
Analiza Judd-Ofert a unor sticle laser românești dopate cu neodim |
|
129-139 |
|
|
articol de periodic |
1986 |
Studii și Cercetări de Fizică, 38-7 |
VASILIU, Virgil (autor)
,
IANCUN. (autor)
,
BACHMANN, P. (autor)
,
GEORGESCU, S. (autor)
,
MOLDOVAN, C. (autor)
|
Echipament cu laser He-Ne pentru ghidarea frezelor de tăiere a marginilor cahlelor de teracotă |
|
691-693 |
|
|
articol de periodic |
1986 |
Studii și Cercetări de Fizică, 38-8 |
VASILIU, Virgil (autor)
,
BLAJ, V. (autor)
,
BACHMANN, P. (autor)
,
IANCU, N. (autor)
,
GEORGESCU, S. (autor)
,
GHILAR, P. (autor)
,
ȘERBAN, I. (autor)
|
Echipament de alimiere cu laser He-Ne |
|
774-776 |
|
|
articol de periodic |
1992 |
Studii și Cercetări de Fizică, 44-2 |
LUPEI, Voicu (autor)
,
LUPEI, Aurelia (autor)
,
GEORGESCU, S. (autor)
,
URSU, Ioan (autor)
|
Fundamental proceses in the laser emissionn of several solid state active crystals |
|
103-108 |
|