Search Results - "Hau, Stefania"

Optical study of SrLaGa3O7 ceramic samples doped with Er3+ and Yb3 by Voiculescu, Ana-Maria, Tihon, Cristina-Elena, Hau, Ştefania, Stanciu, George, Toma, Octavian

“…We present a preliminary study concerning the luminescence properties of polycrystalline ceramics with stoichiometric formula Sr(ErxYbyLa1-x-y)Ga3O7…”
Get full text

RE3+-Doped Ca3(Nb,Ga)5O12 and Ca3(Li,Nb,Ga)5O12 Crystals (RE = Sm, Dy, and Pr): A Review of Current Achievements by Gheorghe, Cristina, Hau, Stefania, Gheorghe, Lucian, Voicu, Flavius, Greculeasa, Madalin, Broasca, Alin, Stanciu, George

“…Spectroscopic characteristics of RE3+ ions (RE = Sm, Dy, and Pr) doped in partially disordered Ca3Nb1.6875Ga3.1875O12-CNGG and Ca3Li0.275Nb1.775Ga2.95O12-CLNGG…”
Get full text

Efficient 1 µm Laser Emission of Czochralski-Grown Nd:LGSB Single Crystal by Brandus, Catalina-Alice, Hau, Stefania, Broasca, Alin, Greculeasa, Madalin, Voicu, Flavius-Marian, Gheorghe, Cristina, Gheorghe, Lucian, Dascalu, Traian

“…A 5.0-at.% Nd-doped La Gd Sc (BO ) (Nd:LGSB) borate laser crystal was successfully grown by the Czochralski method, for the first time to our knowledge. The…”
Get full text

New Yb:LYSB bifunctional crystal for efficient near-infrared laser emission and self-frequency doubling conversion by Broasca, Alin, Greculeasa, Madalin, Voicu, Flavius, Hau, Stefania, Croitoru, Gabriela, Gheorghe, Cristina, Pavel, Nicolaie, Gheorghe, Lucian

Get full text

(INVITED) Czochralski-grown LaxGdyRzSc4-x-y-z(BO3)4 (R = Yb, Nd) crystals - A review of recent developments by Gheorghe, Lucian, Broasca, Alin, Greculeasa, Madalin, Voicu, Flavius, Stanciu, George, Hau, Stefania, Croitoru, Gabriela, Brandus, Catalina Alice, Gheorghe, Cristina, Khaled, Federico, Loiseau, Pascal, Aka, Gérard

“…Bifunctional crystals, in which the laser effect and a nonlinear optical (NLO) process, e.g. frequency doubling, can occur simultaneously, play a key role in…”
Get full text

Enhancement of the laser emission efficiency of Yb:Y2O3 ceramics via multi-step sintering method fabrication by Stanciu, George, Voicu, Flavius, Catalina-Alice Brandus, Tihon, Cristina, Hau, Stefania, Gheorghe, Cristina, Croitoru, Gabriela, Gheorghe, Lucian

Get full text

Effect of vacuum sintering on the microstructure and spectroscopic properties of Eu doped strontium titanate ceramics by Stanciu, Catalina, Hau, Stefania, Tihon, Cristina

“…In this work, we report on the optical properties of europium-doped SrTiO3, synthesized in situ via the sol-gel method as nanopowders and sintered ceramic…”
Get full text

Structural, microstructural characterization and luminescence spectroscopy of europium-doped strontium titanate prepared by the sol-gel method by Stanciu, Catalina, Hau, Stefania, Stanciu, George, Trusca, Roxana, Vasile, Bogdan Stefan, Tihon, Cristina

Get full text

Novel optical temperature sensors based on the emission of the Pr3+ ions doped Ca3(M,Ga)5O12 (M5+ = Nb, Ta) garnet phosphors by Gheorghe, Cristina, Hau, Stefania, Stanciu, George, Avram, Daniel, Broasca, Alin, Gheorghe, Lucian

“…Pr3+-doped Ca3(Nb,Ga)5O12 (Pr:CNGG) and Ca3(Ta,Ga)5O12 (Pr:CTGG) phosphors with garnet structure have been systematically investigated as optical thermometric…”
Get full text

Pr:LGSB as a new nonlinear optical crystal: Czochralski growth and optical characterization by Broasca, Alin, Greculeasa, Madalin, Voicu, Flavius, Stanciu, George, Hau, Stefania, Gheorghe, Cristina, Gheorghe, Lucian

“…Herein, we report on the Czochralski growth and optical characterization of Pr:LGSB as a new nonlinear optical (NLO) and laser crystal. Single crystals of…”
Get full text

Efficient near-infrared laser emission and nonlinear optical properties of a newly developed Yb:LYSB laser crystal by Broasca, Alin, Greculeasa, Madalin, Voicu, Flavius, Hau, Stefania, Croitoru, Gabriela, Gheorghe, Cristina, Pavel, Nicolaie, Gheorghe, Lucian

“…Herein, we report on the growth and characterization of La0.78Y0.32Yb0.04Sc2.86(BO3)4 (Yb:LYSB) crystal as bifunctional laser and nonlinear optical (NLO)…”
Get full text

LGYSB:NdHigh-Performance Lasing in the Near-Infrared Region by Broasca, Alin, Greculeasa, Madalin, Voicu, Flavius, Hau, Stefania, Gheorghe, Cristina, Croitoru, Gabriela, Pavel, Nicolaie, Stanciu, George, Petris, Adrian, Gheorghe, Petronela, Albota, Florin, Serban, Andreea, Gheorghe, Lucian

“…Three incongruent melting La w Nd x Gd y Y z Sc4–w–x–y–z (BO3)4 (LGYSB:Nd) crystals with different Y concentrations (z = 0.15, 0.05, and 0.025) have been grown…”
Get full text

RE 3+ -Doped Ca 3 (Nb,Ga) 5 O 12 and Ca 3 (Li,Nb,Ga) 5 O 12 Crystals (RE = Sm, Dy, and Pr): A Review of Current Achievements by Gheorghe, Cristina, Hau, Stefania, Gheorghe, Lucian, Voicu, Flavius, Greculeasa, Madalin, Broasca, Alin, Stanciu, George

“…Spectroscopic characteristics of RE ions (RE = Sm, Dy, and Pr) doped in partially disordered Ca Nb Ga O -CNGG and Ca Li Nb Ga O -CLNGG crystals are reviewed in…”
Get full text

RE[sup.3+]-Doped Ca[sub.3]: A Review of Current Achievements by Gheorghe, Cristina, Hau, Stefania, Gheorghe, Lucian, Voicu, Flavius, Greculeasa, Madalin, Broasca, Alin, Stanciu, George

“…Spectroscopic characteristics of RE[sup.3+] ions (RE = Sm, Dy, and Pr) doped in partially disordered Ca[sub.3]Nb[sub.1.6875]Ga[sub.3.1875]O[sub.12]-CNGG and…”
Get full text

Growth and characterization of 3.5 at.% Nd:LGSB bifunctional crystal by Broasca, Alin, Greculeasa, Madalin, Voicu, Flavius, Stanciu, George, Hau, Stefania, Gheorghe, Cristina, Brandus, Catalina-Alice, Pavel, Nicolaie, Enculescu, Monica, Gheorghe, Lucian

“…The performances of 3.5 at.% Nd:LGSB bifunctional laser and nonlinear optical (NLO) crystal were investigated. A high-quality single crystal with incongruent…”
Get full text

Enhancement of the laser emission efficiency of Yb:Y2O3 ceramics via multi-step sintering method fabrication by Stanciu, George, Voicu, Flavius, Brandus, Catalina-Alice, Tihon, Cristina-Elena, Hau, Stefania, Gheorghe, Cristina, Croitoru, Gabriela, Gheorghe, Lucian, Dumitru, Marius

“…Highly transparent 5.0 at.% Yb:Y2O3 ceramics were successfully fabricated by using an optimal content of La2O3 and ZrO2 sintering additives and multi-step…”
Get full text

Bifunctional LaxNdyGdzSc4−x−y−z(BO3)4 crystal: Czochralski growth, linear and nonlinear optical properties, and near-infrared laser emission performances by Greculeasa, Madalin, Broasca, Alin, Voicu, Flavius, Hau, Stefania, Croitoru, Gabriela, Stanciu, George, Gheorghe, Cristina, Pavel, Nicolaie, Gheorghe, Lucian

“…[Display omitted] •We report a novel laser and nonlinear optical crystal (LGSB:Nd).•Spectroscopic and nonlinear optical properties of LGSB:Nd crystal were…”
Get full text

Spectroscopic properties and laser performances of Yb:LGSB nonlinear optical crystal by Khaled, Federico, Loiseau, Pascal, Voicu, Flavius, Achim, Alexandru, Hau, Stefania, Gheorghe, Cristina, Croitoru, Gabriela, Pavel, Nicolaie, Gheorghe, Lucian, Aka, Gérard

“…Czochralski growth along with linear optical characterizations and near-infrared laser performances of ytterbium doped lanthanum and gadolinium scandium borate…”
Get full text

Enhancement of the laser emission efficiency of Yb:Y 2 O 3 ceramics via multi-step sintering method fabrication by Stanciu, George, Voicu, Flavius, Brandus, Catalina-Alice, Tihon, Cristina, Hau, Stefania, Gheorghe, Cristina, Croitoru, Gabriela, Gheorghe, Lucian

Get full text

RE-doped LGSB (RE = Nd, Yb) as New High Performance Near-Infrared Laser Crystals by Greculeasa, Madalin, Broasca, Alin, Voicu, Flavius, Hau, Stefania, Croitoru, Gabriela, Brandus, Catalina, Stanciu, George, Gheorghe, Cristina, Gheorghe, Lucian

“…The search for new laser gain media or the improvement of the actual ones based on new concepts, constitute a main research direction in the development of…”
Get full text