Professor Tsvetanka Babeva, PhD

Director of Institute of Optical Materials and Technologies “Acad. J. Malinowski”, Bulgarian Academy of Sciences,

e-mail: babeva@iomt.bas.bg

phone: 359 884 220351

PhD in Physics: Central Laboratory of Photoprocesses, Bulgarian Academy of Sciences, Sofia, Bulgaria (2003)

Master in Physics: Sofia State University, Faculty of Physics, Major “Applied Optics”, MSc; (1994)

Deputy Director of Institute of Optical Materials and Technologies, “Acad. J. Malinowski”, Bulgarian Academy of Sciences, Sofia, Bulgaria, (2014-2018)

Associated Professor, Institute of Optical Materials and Technologies

“Acad. J. Malinowski”, Bulgarian Academy of Sciences, Sofia, Bulgaria, (2010-2016)

Research fellow, Central Laboratory of Photoprocesses, Bulgarian Academy of Sciences, Sofia, Bulgaria, (2009 –2010)

Arnold F. Graves Postdoctoral fellow, Centre for Industrial and Engineering Optics, Dublin Institute of Technology, Dublin, Ireland, (2007 -2009).

Research associate, Central Laboratory of Photoprocesses, Bulgarian Academy of Sciences, Sofia, Bulgaria, (1998 –2007)

Physicist, Central Laboratory of Photoprocesses, Bulgarian Academy of Sciences, Sofia, Bulgaria, (1995 –1998)

Thin films optics, UV-VIS-NIR Spectroscopy, Multilayered systems,Optical coatings, Acrylamide-based photopolymers, Computer simulations, Bragg stacks, optical sensors, sol-gel, spin-coating, electrospraying, mesoposrous thin films

• more than 80 research articles in international peer-reviewed journals with IF and SJR
• more than 25 conference proceedings (full length),
• 1 book chapter
• more than 100 participations in international and national conferences
• more than 450 citations, H-index = 12
• Co-editor of Intech book;
• Editor of special issue in Coating journal

• Supervisor of 3 PhD students (two successfully defended PhD thesises, one finishing October 2020)
• Supervisor of postdoctoral researcher
• Supervisor of 4 students (bachelor, master, Eureka and Erasmus)
• Lecturer in PhD school of Bulgarian Academy of Sciences

Coordinator for IOMT in Centre for Excellence "Mechatronics and clean technologies";

Project leader and team member in more than 25 scientific projects funded by NATO – CLG, Bi-lateral programs with Czech Republic and France, COST, Operational Programmes “Development of human resources” and “Development of competitiveness of Bulgarian economy, National Science Fund etc.

OSA

Arnold F. Graves fellowship

1. K. Lazarova, R. Georgiev, M. Vasileva, B. Georgieva, M. Spassova, N. Malinowski and T. Babeva, “One-dimensional PMMA-V2O5photonic crystals used as color indicators of chloroform vapors”, Opt Quant Electron,48:310(2016).
2. R. Georgiev, B. Georgieva, M. Vasileva, P. Ivanov and T. Babeva, “Optical properties of sol-gel Nb2O5films with tunable porosity for sensing applications”, Advances in Condensed Matter Physics, 2015, 403196, (2015).
3. K.Lazarova, B Georgieva, M Spasova and T Babeva, “Preparation and characterization of mesoporous Nb2O5films for sensing applications”, Journal of Physics: Conference series, 558,012042, (2014)
4. D. Cody, E. Mihaylova, L. O’Neill, T. Babeva, H. Awala, R. Retoux, S. Mintova, I. Naydenova,” Effect of zeolite nanoparticles on the optical properties of diacetone acrylamide-based photopolymer”, Optical materials, 37, 181-187, (2014)
5. K. Lazarova. H. Awala, S.Thomas, M. Vasileva, S. Mintova and T. Babeva, “Vapor responsive one-dimensional photonic crystals from zeolite nanoparticles and metal oxide films for optical sensing”, Sensors, 14, 12207-12218, (2014).
6. T. Babeva, H. Awala,M.Vasileva,J.El Fallah,K. Lazarova,Sebastien ThomasandS. Mintova, “Zeolite films as building blocks for antireflective coatings and vaporresponsive Bragg stacks”, Dalton Trans., 43, 8868-8876, (2014),
7. K. Lazarova, M. Vasileva, G. Marinov and T. Babeva, "Optical characterization of sol-gel derived Nb2O5thin films", Optics & Laser Technology, 58, 114–118, (2014).
8. T. Babeva, K. Lazarova, M. Vasileva, B. Gospodinov and J. Dikova, "Fabrication and characterization of high refractive index optical coatings by sol-gel method for photonic applications", Bulgarian Chemical Communications,Volume 45, Special Issue B, 28-32, (2013).
9. T. Babeva, H. Awala, M. Vasileva, J. El Fallah, K. Lazarova and S. Mintova, " Pure silica MFI zeolite films as antireflection coatings", Bulgarian Chemical Communications, Volume 45, Special Issue B, 18-22, (2013)
10. K. Lazarova, M. Vasileva, G. Marinov and T. Babeva, " Sol-gel derived Nb2O5thin films for photonic applications", Bulgarian Chemical Communications,Volume 45, Special Issue B,23-27, (2013).
11. J. Dikova, I. Vlaeva, Tz.Babeva, T.Yovcheva and S Sainov, "Optical and holographic properties of nano-sized As2S3films", Optics and Lasers in Engineering,50, 838–843, (2012)
12. G. Marinov, J. Tasseva, R.Todorov, T.Babeva, “Onedimensional Photonic Crystals Comprising Organic and Inorganic Polymers”, Comptes rendus de l’Academie bulgare des Sciences, Vol 65, No7, pp.927-932, (2012).
13. T. Babeva, R. Todorov, B.Gospodinov, N. Malinowski, J. El Fallah and S. Mintova, “Nanosized MEL zeolite and GeSe2chalcogenide layers as functional building blocks of tunable Bragg stacks”, J. Mater. Chem.,22, 18136-18138, (2012).
14. T. Babeva, G. Marinov, J. Tasseva, A. Lalova and R. Todorov, “One dimensional photonic crystals from As2S3and PMMA films for photonic and sensor applications”, Journal of Physics: Conference series, 398, 012025, (2012)
15. B. Gospodinov, J. Dikova, S. Mintova and T. Babeva, “Tunable Bragg stacks from sol-gel derived Ta2O5and MEL zeolite films”, Journal of Physics: Conference series, 398, 012026, (2012)
16. I. Naydenova, E. Leite, T. Babeva, N. Pandey, T. Baron, T. Yovcheva, S. Sainov, S. Martin, S. Mintova, V. Toal, “Optical properties of photopolymerisable nanocomposites containing nanosized molecular sieves”, Journal of Optics, 13, 044019, (2011).
17. T. Babeva, I. Naydenova, D. Mackey, S. Martin, and Vincent Toal, “Two-way diffusion model for short-exposure holographic grating formation in acrylamide based photopolymer”, J. Opt. Soc. Am. B, 27 (2), 197 -203, (2010).
18. E. Leite, T. Babeva, E.-P. Ng, V. Toal, S. Mintova, and I. Naydenova, “Optical Properties of Photopolymer Layers Doped with Aluminophosphate Nanocrystals”, Journal of Physical Chemistry C, 114(39), 16767 –16775, (2010)
19. T. Babeva, D.Mackey, I.Naydenova, S.Martin and V.Toal, “Study of the photoinduced surface relief modulation in photopolymers caused by illumination with a Gaussian beam of light”, Journal of Optics, 12, 124011, (2010).
20. M. Mahmud, I. Naydenova, T. Babeva, R. Jallapuram, S. Martin and V. Toal,“Determination of threshold exposure and intensity for recording holograms in thick green-sensitive acrylamide-based photopolymer”, Applied Optics, 49 (28), 5276-5283, (2010).
21. T. Babeva, D. Mackey, I. Naydenova, S. Martin, and V. Toal, “Surface Relief Profile of Photopolymerisable Systems in a Single Illuminated Spot”, AIP Conference Proceedings, Vol. 1288, 43-46, (2010)