Ş. Georgescu

发表

Upconversion from the 4I13/2 and 4I11/2 levels in Er:YAG

I. Ivanov, Ş. Georgescu, O. Toma, 2005 .

Intrinsic limits of the efficiency of erbium 3-/spl mu/m lasers

Ş. Georgescu, O. Toma, H. Totia, 2003 .

Mathematical modeling of 3-μm Erbium lasers

Ş. Georgescu, S. Georgescu, 2002 .

Absorption intensities and emission cross section of Er3+ in Sc2O3 transparent ceramics

A. Ikesue, C. Gheorghe, V. Lupei, 2008 .

Concentration quenching of the 4I92 level of Er3+ in laser crystals

R. Sherlock, T. Glynn, V. Lupei, 1994 .

Judd–Ofelt and energy-transfer analysis of Er3+ doped in CaSc2O4 ceramic samples

Ş. Georgescu, O. Toma, A. Ştefan, 2015 .

The influence of pump wavelength on Er:YAG Green-emitting laser characteristics

Ş. Georgescu, O. Toma, S. Georgescu, 2006, IEEE Journal of Quantum Electronics.

OPTICS – LASERS PUMP WAVELENGTHS FOR AN UPCONVERSION-PUMPED Er : YAG GREEN-EMITTING LASER

Ş. Georgescu, O. Toma, S. Georgescu, 2006 .

ESA processes responsible for infrared pumped, green and violet luminescence in low-concentrated Er: YAG

C. Naud, C. Florea, Ş. Georgescu, 2003 .

Excited-state-absorption in low concentrated Er : YAG crystals for pulsed and cw pumping

A. Petraru, C. Porte, C. Hapenciuc, 2001 .

Energy transfer between Nd3+ ions in YAG

V. Lupei, A. Lupei, Ş. Georgescu, 1986 .

Judd–Ofelt analysis of Er3+ ions in calcium lithium niobium gallium garnet

Ş. Georgescu, O. Toma, S. Georgescu, 2014 .

Upconversion luminescence in langatate ceramics doped with Tm3+ and Yb3+

C. Matei, R. Bȋrjega, Ş. Georgescu, 2014 .

Cooperative process in Y3Al5O12:Er3+ crystals

T. M. Murina, I. Ursu, A. Prokhorov, 1986 .

XRD and FTIR characterization of nanocrystalline YVO4: Eu derived by coprecipitation process

Ş. Georgescu, M. Bercu, S. Hodorogea, 2008 .

Population dynamics of the three‐micron emitting level of Er3+ in YAlO3

R. Sherlock, T. Glynn, V. Lupei, 1996 .

Luminescent Er3+ centers in CaSc2O4:Er3+:Yb3+ upconversion phosphor

Ş. Georgescu, O. Toma, Angela Enachi, 2021 .

Phonon sidebands of Eu3+ in BaGd2ZnO5

Ş. Georgescu, O. Toma, Angela Enachi, 2020 .

Judd–Ofelt analysis of Ho3+ doped in ceramic CaSc2O4

Ş. Georgescu, O. Toma, A. Ştefan, 2015 .

Nanocrystalline Er:YAG thin films prepared by pulsed laser deposition: An electron microscopy study

I. Mihailescu, G. Socol, C. Ristoscu, 2007 .

Infrared-excited bright green and red luminescence in La3Ga5.5Ta0.5O14 doped with erbium and ytterbium

C. Matei, L. Petrescu, R. Bȋrjega, 2012 .

Upconversion luminescence in CaSc2O4 doped with Er3+ and Yb3+

Ş. Georgescu, O. Toma, A. Ştefan, 2016 .

Energy transfer characteristics of the 4S32 level of Er3+ in Yag

T. M. Murina, I. Ursu, A. Prokhorov, 1989 .

EFFECTS OF THERMAL TREATMENT ON THE LUMINESCENCE OF YAG:Eu NANOCRYSTALS SYNTHESIZED BY A NITRATE- CITRATE SOL-GEL METHOD

Ş. Georgescu, O. Toma, A. Ştefan, 2005 .

A simple method for characterisation the up-conversion processes governing three-micron generation in concentrated erbium crystals

C. Hapenciuc, Ş. Georgescu, 2000 .

Intensity pump effects in the kinetics of level in ErAG

R. Sherlock, T. Glynn, V. Lupei, 1998 .

Spectroscopic determination of the figures of merit for 3 μm Er3+ lasers

R. Sherlock, T. Glynn, V. Lupei, 1994 .

Nonradiative transfer of excitation energy in crystals with the interaction of three optically active centers

T. M. Murina, A. Prokhorov, V. Lupei, 1990 .

Thermal effects on the quantum efficiency of 3 μm erbium lasers

R. Sherlock, T. Glynn, V. Lupei, 1995 .

Nonradiative Multiphoton Relacation and Energy Transfer from the Strongly Quenched High-Lying Levels of Nd3+ in Laser Crystals

T. Basiev, A. Dergachev, A. Lupei, 1989 .

Ultraviolet and visible up-conversion luminescence of Er3+/Yb3+ co-doped CaF2 nanocrystals in sol–gel derived glass-ceramics

M. Secu, C. Matei, R. Negrea, 2013 .

Violet and near-ultraviolet upconversion luminescence in La3Ga5.5Ta0.5O14 codoped with Er3+ and Yb3+

C. Matei, Ş. Georgescu, O. Toma, 2013 .

Judd-Ofelt analysis of Er-doped CaSc2O4 revisited

Ş. Georgescu, O. Toma, A. Ştefan, 2018, Journal of Luminescence.

Judd-Ofelt analysis of Eu3+ and Er3+ doped in ceramic BaGd2ZnO5

Ş. Georgescu, O. Toma, A. Ştefan, 2018, Journal of Luminescence.

OPTICAL AND MÖSSBAUER SPECTROSCOPY STUDIES ON YVO4:Eu NANOPHOSPHOR

S. Constantinescu, I. Bibicu, Ş. Georgescu, 2010 .

High-resolution spectroscopy of Nd3+ in YAlO3

V. Lupei, A. Lupei, Ş. Georgescu, 1992 .

Upconversion luminescence of Er3+/Yb3+ co-doped nanolangasite synthesized by a modified Pechini route

C. Matei, D. Berger, Ş. Georgescu, 2012, Journal of Sol-Gel Science and Technology.

Optical and Mossbauer studies on YAG:Eu nanocrystals synthesized by a sol-gel method

I. Bibicu, O. Toma, S. Georgescu, 2007, ROMOPTO International Conference on Micro- to Nano- Photonics.

MÖSSBAUER AND OPTICAL INVESTIGATION OF Eu:YAG NANOCRYSTALS SYNTHESIZED BY A SOL-GEL METHOD

S. Constantinescu, I. Bibicu, Ş. Georgescu, 2007 .

Structural and spectroscopical characterization of RE3+(RE = Er, Eu, Tb) doped nanocrystalline YAG produced by a sol-gel method

Ş. Georgescu, O. Toma, M. Bercu, 2006 .

SYNTHESIS BY A CITRATE SOL-GEL METHOD AND CHARACTERIZATION OF EU 3 +-DOPED YTTRIUM ALUMINUM GARNET NANOCRYSTALS

Ş. Georgescu, A. Ştefan, A. C. Chinie, 2022 .

Spectroscopy of Eu:YAG nanopowders

Ş. Georgescu, O. Toma, A. Ştefan, 2007 .

The effect of Nd concentration on the spectroscopic and emission decay properties of highly doped Nd:YAG ceramics

Yoichi Sato, Voicu Lupei, Aurelia Lupei, 2001 .

EFFECTS OF PARTICLE SIZE ON THE LUMINESCENCE OF YVO4:Eu NANOCRYSTALS

Ş. Georgescu, O. Toma, A. Voiculescu, 2008 .

Short Note Eu 3+ LUMINESCENCE IN As2S3 DOT NETWORK

M. Popescu, G. Pavelescu, F. Sava, 2011 .

Judd–Ofelt analysis of Tm3+ doped in CaSc2O4 ceramic samples

Ş. Georgescu, O. Toma, A. Ştefan, 2015 .

Judd–Ofelt analysis of Tm3+ in La3Ga5.5Ta0.5O14 ceramic with granular structure

C. Matei, Ş. Georgescu, O. Toma, 2015 .

High-resolution spectroscopy and emission decay in concentrated Nd:YAG ceramics

Yoichi Sato, Akio Ikesue, Voicu Lupei, 2002 .