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Prof. univ. dr. Valentin BARNA
Prof. univ. dr. Valentin BARNA
University of Bucharest - Faculty of Physics, Romania
Verified email at g.unibuc.ro - Homepage
Title
Cited by
Cited by
Year
Random lasing and weak localization of light in dye-doped nematic liquid crystals
G Strangi, S Ferjani, V Barna, A De Luca, C Versace, N Scaramuzza, ...
Optics express 14 (17), 7737-7744, 2006
1802006
Morphological and Structural Analysis of Polyaniline and Poly(o-anisidine) Layers Generated in a DC Glow Discharge Plasma by Using an Oblique Angle …
B Butoi, A Groza, P Dinca, A Balan, V Barna
Polymers 9 (12), 732, 2017
1642017
Color-tunable organic microcavity laser array using distributed feedback
G Strangi, V Barna, R Caputo, A De Luca, C Versace, N Scaramuzza, ...
Physical review letters 94 (6), 063903, 2005
1342005
Thermal behavior of random lasing in dye doped nematic liquid crystals
S Ferjani, V Barna, A De Luca, C Versace, N Scaramuzza, R Bartolino, ...
Applied physics letters 89 (12), 2006
622006
Thermo-recurrent nematic random laser
S Ferjani, A De Luca, V Barna, C Versace, G Strangi
Optics Express 17 (3), 2042-2047, 2009
542009
Random lasing in freely suspended dye-doped nematic liquid crystals
S Ferjani, V Barna, A De Luca, C Versace, G Strangi
Optics letters 33 (6), 557-559, 2008
522008
Statistical analysis of random lasing emission properties in nematic liquid crystals
S Ferjani, L Sorriso-Valvo, A De Luca, V Barna, R De Marco, G Strangi
Physical Review E 78 (1), 011707, 2008
372008
Periodic and aperiodic liquid crystal-polymer composite structures realized via spatial light modulator direct holography
M Infusino, A De Luca, V Barna, R Caputo, C Umeton
Optics Express 20 (21), 23138-23143, 2012
362012
Using tracker as video analysis and augmented reality tool for investigation of the oscillations for coupled pendula
S Trocaru, C Berlic, C Miron, V Barna
Romanian reports in Physics 72 (1), 16, 2020
302020
Arduino and tracker video–didactic tools for study of the kater pendulum physical experiment
B Chiriacescu, FS Chiriacescu, C Miron, C Berlic, V Barna
Romanian Reports in Physics 72 (1), 1-14, 2020
292020
Distributed feedback micro-laser array: helixed liquid crystals embedded in holographically sculptured polymeric microcavities
V Barna, R Caputo, A De Luca, N Scaramuzza, G Strangi, C Versace, ...
Optics Express 14 (7), 2695-2705, 2006
272006
Direct measurement of surface-induced orientational order parameter profile above the nematic-isotropic phase transition temperature
JH Lee, TJ Atherton, V Barna, A De Luca, E Bruno, RG Petschek, ...
Physical review letters 102 (16), 167801, 2009
262009
Optical nanotomography of anisotropic fluids
A De Luca, V Barna, TJ Atherton, G Carbone, ME Sousa, C Rosenblatt
Nature Physics 4 (11), 869-872, 2008
252008
Molecular simulation of the free surface order in NLC samples
N Scaramuzza, C Berlic, ES Barna, G Strangi, V Barna, AT Ionescu
The Journal of Physical Chemistry B 108 (10), 3207-3210, 2004
252004
Biolasing from Individual Cells in a Low‐Q Resonator Enables Spectral Fingerprinting
D Septiadi, V Barna, D Saxena, R Sapienza, D Genovese, L De Cola
Advanced Optical Materials 8 (6), 1901573, 2020
222020
Analytical approach for type-II semiconductor spherical core–shell quantum dots heterostructures with wide band gaps
TO Cheche, V Barna, YC Chang
Superlattices and Microstructures 60, 475-486, 2013
222013
Nanoscale alignment and optical nanoimaging of a birefringent liquid
V Barna, A De Luca, C Rosenblatt
Nanotechnology 19 (32), 325709, 2008
222008
Band edge and defect modes lasing due to confinement of helixed liquid crystals in cylindrical microcavities
V Barna, S Ferjani, A De Luca, R Caputo, N Scaramuzza, C Versace, ...
Applied Physics Letters 87 (22), 2005
202005
Theoretical approach for type-i semiconductor spherical core-shell quantum dots heterostructure with wide band gaps
TO Cheche, V Barna, I Stamatin
Journal of Optoelectronics and Advanced Materials 15 (7-8), 615-620, 2013
162013
Role of Delocalized Electrons in Polyaniline− Nematogen Cyanobiphenyls Interaction
AL Alexe-Ionescu, AT Ionescu, ES Barna, V Barna, N Scaramuzza
The Journal of Physical Chemistry B 108 (26), 8894-8899, 2004
162004
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