Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Madalin Greculeasa"'
Autor:
Gabriela Croitoru, Florin Jipa, Madalin Greculeasa, Alin Broasca, Flavius Voicu, Lucian Gheorghe, Nicolaie Pavel
Publikováno v:
Materials, Vol 17, Iss 8, p 1758 (2024)
Buried depressed-cladding waveguides were fabricated in 0.7-at.% Nd:Ca3Li0.275Nb1.775Ga2.95O12 (Nd:CLNGG) and 7.28-at.% Yb:CLNGG disordered laser crystals grown by Czochralski method. Circular waveguides with 100 μm diameters were inscribed in both
Externí odkaz:
https://doaj.org/article/a35e05ff524840f88821d06dd61fedbc
Publikováno v:
Crystals, Vol 13, Iss 2, p 169 (2023)
This paper reviews the progress in developing the LaxYySc4-x-y(BO3)4-LYSB and Yb-doped LaxYySc4-x-y(BO3)4-LYSB:Yb huntite-type crystals grown by the Czochralski method as new candidates for the next generation of nonlinear optical (NLO) and/or laser
Externí odkaz:
https://doaj.org/article/bc70b0930cc1435f865aeb60a2fb4866
Autor:
Cristina Gheorghe, Stefania Hau, Lucian Gheorghe, Flavius Voicu, Madalin Greculeasa, Alin Broasca, George Stanciu
Publikováno v:
Materials, Vol 16, Iss 1, p 269 (2022)
Spectroscopic characteristics of RE3+ ions (RE = Sm, Dy, and Pr) doped in partially disordered Ca3Nb1.6875Ga3.1875O12-CNGG and Ca3Li0.275Nb1.775Ga2.95O12-CLNGG crystals are reviewed in detail to assess their prospects as laser crystals with emission
Externí odkaz:
https://doaj.org/article/07de470f881a4f17aa704aabd2058aba
Autor:
Lucian Gheorghe, Alin Broasca, Madalin Greculeasa, Flavius Voicu, George Stanciu, Stefania Hau, Gabriela Croitoru, Catalina Alice Brandus, Cristina Gheorghe, Federico Khaled, Pascal Loiseau, Gérard Aka
Publikováno v:
Optical Materials: X, Vol 7, Iss , Pp 100052- (2020)
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 the development of new laser sources with emission in the near-infrared (NIR) or visible (VI
Externí odkaz:
https://doaj.org/article/d4fef7e043cd4451b357009427560dbc
Autor:
Catalina-Alice Brandus, Stefania Hau, Alin Broasca, Madalin Greculeasa, Flavius-Marian Voicu, Cristina Gheorghe, Lucian Gheorghe, Traian Dascalu
Publikováno v:
Materials, Vol 12, Iss 12, p 2005 (2019)
A 5.0-at.% Nd-doped La0.64Gd0.41Sc2.95(BO3)4 (Nd:LGSB) borate laser crystal was successfully grown by the Czochralski method, for the first time to our knowledge. The spectroscopic properties of the grown crystal are discussed and 1 µm laser emissio
Externí odkaz:
https://doaj.org/article/c16ded6b44a74cada9f516029ac5a874
Autor:
Cristina, Gheorghe, Stefania, Hau, Lucian, Gheorghe, Flavius, Voicu, Madalin, Greculeasa, Alin, Broasca, George, Stanciu
Publikováno v:
Materials (Basel, Switzerland). 16(1)
Spectroscopic characteristics of RE
Autor:
Alin Broasca, Madalin Greculeasa, Flavius Voicu, George Stanciu, Stefania Hau, Cristina Gheorghe, Lucian Gheorghe
Publikováno v:
Journal of Alloys and Compounds. 908:164633
Autor:
Gabriela Croitoru, Lucian Gheorghe, Alin Broasca, George A. Stanciu, S. Hau, Madalin Greculeasa, Flavius Voicu, Cristina Gheorghe, Catalina Alice Brandus
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
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 novel solid-state lasers. Recently it was demonstrated that the monoclinic structure (space gr
Autor:
F. Voicu, S. Hau, Monica Enculescu, George Stanciu, Alin Broasca, Lucian Gheorghe, Madalin Greculeasa, Cristina Gheorghe
Publikováno v:
Journal of Alloys and Compounds. 799:288-301
Spectroscopic characteristics of Pr3+ ions doped CNGG and CLNGG single crystals were investigated in order to assess their potential as laser materials for visible emission. The Judd-Ofelt intensity parameters for the f-f transitions of Pr3+ ions wer
Autor:
Alin Broasca, Ekaterina Yu. Bryleva, Lucian Gheorghe, Flavius Voicu, Madalin Greculeasa, K. N. Belikov, George Stanciu, Olga Gaiduk
Publikováno v:
ACS Applied Materials & Interfaces. 11:20987-20994
Nonlinear optical (NLO) crystals with incongruent melting of LaxYyScz(BO3)4 (x + y + z = 4) (LYSB)-type were grown for the first time, to the best of our knowledge, by the Czochralski method. A spe...