Criterii căutate


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  • 33 de articole
Tip Anul Publicație și Volum/Nr. Realizatori Titlul articolui Secțiunea Pagina Limba
articol de periodic 1966 Revue Roumaine de Physique, 11-9-10 URSU, Ioan (autor) , LUPEI, Voicu (autor) , LUPEI, A. (autor) Forbidden hyperfine transitions in the ESR spectra of Mn2+ in calcite 875-883
articol de periodic 1968 Revue Roumaine de Physique, 13-4 LUPEI, Voicu (autor) , LUPEI, A. (autor) , URSU, Ioan (autor) Spin hamiltonian description of the ESR spectra of the 6S5/2 ions in trigonal crystalline fields 327-336
articol de periodic 1970 Revue Roumaine de Physique, 15-10 LUPEI, A. (autor) Covalency of the d-orbitals and the anisotropic hyperfine structure 1297-1212
articol de periodic 1970 Revue Roumaine de Physique, 15-5 URSU, Ioan (autor) , LUPEI, A. (autor) , LUPEI, Voicu (autor) An I= 3/2 ESR center in u.v. - irradiated realgar poeder 569-572
articol de periodic 1973 Revue Roumaine de Physique, 18-4 LUPEI, A. (autor) , MCMILLAN, J.A. (autor) Optical and EPR spectra of Cu2+ in NH4Cl 437-441
articol de periodic 1974 Revue Roumaine de Physique, 19-3 LUPEI, A. (autor) , MCMILLAN, J.A. (autor) Hyperfine structure in EPR spectrum of V2- in SrF2 286-277
articol de periodic 1975 Revue Roumaine de Physique, 20-1 LUPEI, A. (autor) , LUPEI, Voicu. (autor) , ȘTEFĂNESCU, A. (autor) , DOMȘA (autor) Intensity of the hyperfine lines of Mn2+ in NH4Cl 59-66
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 1977 Revue Roumaine de Physique, 22-8 LUPEI, Voicu (autor) , LUPEI, A. (autor) EPR of 5f ion in CaF2 869-870
articol de periodic 1977 Revue Roumaine de Physique, 22-9 LUPEI, A. (autor) , LUPEI, Voicu (autor) Hyperfine parameters for a trigonal U5+ center in CaF2 1005-1007
articol de periodic 1978 Revue Roumaine de Physique, 23-4 LUPEI, Voicu (autor) , LUPEI, A. (autor) EPR of a rhombic U3+ center in air heated CaF2 363-367
articol de periodic 1978 Revue Roumaine de Physique, 23-7-8 URSU, Ioan (autor) , LUPEI, Voicu (autor) , LUPEI, A. (autor) High valency uranium in fluorite 673-681
articol de periodic 1979 Revue Roumaine de Physique, 24-3-4 URSU, Ioan (autor) , LUPEI, Voicu (autor) , LUPEI, A. (autor) , VOICU, I. (autor) Use of EPR hyperfine structure in determination of Uranium isotopic abundances 229-234
articol de periodic 1981 Revue Roumaine de Physique, 26-1 LUPEI, A. (autor) , TOȚIA, H. (autor) , LUPU, C. (autor) Kinetics population and decay of Er3+ luminiscence in LaF2 by steady state method 93-95
articol de periodic 1981 Revue Roumaine de Physique, 26-2 LUPEI, A. (autor) , TOȚIA, H. (autor) A steady state method to estimate lifetimes and nonradiative decay in a luimiscent system 161-
articol de periodic 1983 Revue Roumaine de Physique, 28-4 LUPEI, A. (autor) , LUPEI, Voicu (autor) The nature of luminiscent transitions of the main U6+ center in NaF 367-370
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 1985 Revue Roumaine de Physique, 30-3 LUPEI, A. (autor) , LUPEI, Voicu (autor) , URSU, Ioan (autor) On the vibrational structure of U6+ centers in LiF 257-263
articol de periodic 1987 Revue Roumaine de Physique, 32-1-2 URSU, Ioan (autor) , LUPEI, A. (autor) , LUPEI, Voicu (autor) , IONESCU, C. (autor) , DOMȘA, F. (autor) , VOICI, L. (autor) , RĂDULESCU, O. (autor) Detection pf uranium traces in water by laser excited fluorescence 201-204
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 1988 Revue Roumaine de Physique, 33-8 LUPEI, A. (autor) , LUPEI, Voicu (autor) , IONIȚĂ-MÎNZATU, V. (autor) , DOMȘA, F. (autor) , BUDĂU, P. (autor) , STOICESCU, C. (autor) Q-switching of a CW pimped YAG: Nd laser 1217-1219
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 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 1993 Romanian Journal of Physics, 38-8 LUPEI, Voicu. (autor) , LUPEI, A. (autor) , BONEA, S. (autor) , NANAU, P. (autor) , BOLOG, M. (autor) The sensitization of Tm3+ emission with Fe3+ ions in YAG 759-767
articol de periodic 1995 Romanian Journal of Physics, 40-6-7 LUPEI, Voicu (autor) , LUPEI, A. (autor) , URSU, I. (autor) Intrinsic limitations of emission quantum effiency of YAG: ND 575-585
articol de periodic 1996 Romanian Journal of Physics, 41-5-6 LUPEI, Voicu. (autor) , LUPEI, A. (autor) , PETRARU, A. (autor) Fast energy transfer effects on the sensitization of Tm3+ laser active systems 399-416
articol de periodic 2009 Romanian Journal of Physics, 54-9-10 LUPEI, A. (autor) , ACHIM, A. (autor) , LUPEI, V. (autor) , GHEORGHE, C. (autor) , GHEORGHE, L. (autor) , HAU, S. (autor) Re3+ doped SrWO4 as laser and nonlinear active crystals 919-928
articol de periodic 2010 Romanian Reports in Physics, 62-3 LUPEI, Voicu (autor) , LUPEI, A. (autor) , IKESUE, A. (autor) , GHEORGHE, C. (autor) , FAU, S. (autor) Sensitization of Yb3+ emission in laser oxide ceramics 429-443
articol de periodic 2011 Romanian Reports in Physics, 63-3 LUPEI, A. (autor) , LUPEI, Voicu (autor) , GHEORGHE, C. (autor) , IKESUE, A. (autor) Spectroscopic investigation of Sm3+ in YAG ceramic 817-822
articol de periodic 1988 Studii și Cercetări de Fizică, 40-5-7 URSU, Ioan (autor) , LUPEI, A. (autor) , LUPEI, Voicu (autor) , GEORGESCU, Ș. (autor) Aplicații ale laserilor în spectroscopia solidelor 437-460