Professor Dimana Nazarova, PhD

Head of Department "Optical Metrology and Holography"

Institute of Optical Materials and Technologies

“Acad. J. Malinowski”, Bulgarian Academy of Sciences,

e-mail: dimana@iomt.bas.bg

2009 – PhD in Physics, Central Laboratory of Optical Storage and Processing of Information – Bulgarian Academy of Sciences, Sofia (Bulgaria)

1999 - Master degree “Finance”, University of National and World Economy-Sofia (Bulgaria)

1992 - Master degree in Physics (“Engineering Physics”, specialization: “Applied Optics), Sofia University “St. Kl. Ohridski”, Sofia, Bulgaria

2020 – present Institute of Optical Materials and Technologies – Bulgarian Academy of Sciences, Professor.

2011 – present Institute of Optical Materials and Technologies – Bulgarian Academy of Sciences, Assoc. Professor.

2012 – present Institute of Optical Materials and Technologies – Bulgarian Academy of Sciences, Assoc. Professor, Chair of The General Assembly of IOMT

2016 – present Institute of Optical Materials and Technologies – Bulgarian Academy of Sciences, Assoc. Professor, Head of department:“Optical metrology and holography”

2010 – 2011 Institute of Optical Materials and Technologies – Bulgarian Academy of Sciences, Research associate, physicist

2008 – 2010 Central Laboratory of Optical Storage and Processing of Information – Bulgarian Academy of Sciences, Research associate, physicist

2003 – 2008 Central Laboratory of Optical Storage and Processing of Information – Bulgarian Academy of Sciences, physicist

Diffractive optical elements, photoinduced anisotropy, polarimetry, azopolymers, optical data storage, hybrid and nanocomposite materials. Holographic recording - polarization and art holography. Surface and localized plasmon polariton resonances.

Total number of publications: 119

Publications with impact factor or impact rang: 92

Total number of citations (self-citations excluded): 258

Н index (according to Scopus or Web of Science): 9

Supervisor of the following PhD students: Georgi Mateev, Blaga Blagoeva (IOMT-BAS)

Course, taught for the PhD Center of BAS: "Light-sensitive materials for optical recording: reversible, irreversible and of a new type of organic-inorganic composites”

12 students (3bachelor, 2master, 7student internships)

32 scientific projects: projects coordinator - 4; national projects member - 14; international projects member - 14; Contracts with enterprises and of the implemented technological solutions - 2.

Projects coordinator:

·  DN 18/5 „New azo materials and application of their photophysical properties as reversible optical recording devices“,coordinator for IOMT, 2017- 2020.

·   DN 08/10 “Reversible polarization holographic recording in anisotropic azopolymer based nanocomposites”, , coordinator, 2016-2018.

·  ДКОСТ 01/7 from 15.08.2016 „Advances in Optofluidics: Integration of Optical Control and Photonics with Microfluidics“, coordinator - 2015-2016.

·     BG051PO001-3.3.07-0002 „Student internships“

Projects member:

·  Н 38/15 from 17.12.2019, "Tunable optical elements based on holographic, computer generated and chiral structures";

BG16 1P0003-1.2.04, number: 1.2.04-0034-C0001, “Development of applied research in IOMT through the development of high-tech optical materials for advanced applications”

BG05M20P001-1.001, "National centre for mechatronics and clean technologies"

·  DN 08/13 "Holographic imaging, beam shaping and speckle metrology with computer generated holograms", 2016-2018.

· DTK 02/50, FNI, “Grip phenomena and their impact on longtime reliability of nanosized structures metal electrode / high-k dielectric”

·  DFNP-17-57 „Improving the parameters of photoinduced birefringence by introducing nanoparticles of TiO2 into azopolymers”, 2017-2019.

· DFNI T02/26 , FNI, "New hybrid structures based on photorefractive crystal-liquid crystal and graphene"

·   DN 18/8 „Biochip based on new plasma structures and nano-structured bio-recognition elements“

· DN 17/7 „Optical and quantum-electronic elements and devices based on wedge interference structures for laser and optoelectronic techniques, optical communications, metrology and spectral analysis“

· DM 08/01”Surface relief formation study on polarization holographic recording”, 2016-2018.

· ТК-09-0002 “Trapping phenomena and their implications on long term reliability of nano-dimensional metallic electrode / high-k dielectric structures”

Experience in international projects

3 COST scientific program: MP0604, COST Action P8, COST Action MP1205

"HoloWave" project, SFI SIRG Ireland from 04.2020 to 2024

„High-Resolution Digital Holography - A Modern Signal Processing Approach project“- Tampere Finland

„Holographic Technoligy Demonstratоr“ - Tampere Finland

Contracts with enterprises and of the implemented technological solutions;

·   "BIC-Bulgarian Publishing Company" AD for developing a methodology for hologram recording with a increase in natural size.

·   "Ballistic Sell" Ltd to develop a methodology for holograms recording of metal and clay artefacts;

OSA and SPIE

1.      Stoykova, E., Blagoeva, B., Berberova-Buhova, N., Levchenko, M., Nazarova, D., Nedelchev, L., Park, J.. Intensity-based dynamic speckle method using JPEG and JPEG2000 compression. Applied Optics, 61, 5, OPTICA publishing group (formerly OSA), 2022

2.      Minkov, D, Nedelchev, L, Angelov, G, Marquez, E, Blagoeva, B, Mateev, G, Nazarova, D. Hybrid dispersion model characterization of PAZO polymer thin films over the entire transmittance spectrum measured in the UV/VIS/NIR spectral region. Materials, 15, 23, MDPI, 2022

3.      Stoykova, E., Nazarova, D., Nedelchev, L., Blagoeva, B., Berberova, N., Hong, K., Park, J.. Quantization of dynamic speckle patterns with spatially varying statistics. Applied Optics, 60, 4, Optical Society of America (OSA), 2021

4.      Stoilova, A., Mateev, G., Nazarova, D., Nedelchev, L., Stoykova, E., Blagoeva, B., Berberova, N., Georgieva, S., Todorov, P.. Polarization holographic gratings in PAZO polymer films doped with particles of biometals. Journal of Photochemistry and Photobiology A: Chemistry, 411, Elsevier, 2021

5.      Berberova-Buhova, N., Nedelchev, L., Mateev, G., Stoykova, E., Strijkova, V., Nazarova, D.. Influence of the size of Au nanoparticles on the photoinduced birefringence and diffraction efficiency of polarization holographic gratings in thin films of azopolymer nanocomposites. Optical Materials, 121, Elsevier, 2021

6.      Blagoeva, B., Nedelchev, L., Nazarova, D., Stoykova, E., Park, J.. Reversible supramolecular chiral structures induced in azopolymers by elliptically polarized light: Influence of the irradiation wavelength and intensity. Applied Optics, 61, 5, OPTICA publishing group (formerly OSA), 2021

7.      Nedelchev, L., Mateev, G., Strijkova, V., Salgueiriño, V., Schmool, D., Berberova-Buhova, N., Stoykova, E., Nazarova, D.. Tunable Polarization and Surface Relief Holographic Gratings in Azopolymer Nanocomposites with Incorporated Goethite (α-FeOOH) Nanorods. Photonics, 8, MDPI, 2021

8.      Georgiev, A, Yordanov, D, Dimov, D, Zhivkov, I, Nazarova, D, Weiter, M. Azomethine phthalimides fluorescent E→Z photoswitches. Journal of Photochemistry and Photobiology A: Chemistry, 393, 112443, Elsevier, 2020

9.      Nazarova, D., Mateev, G., Nedelchev, L., Stoykova, E., Blagoeva, B., Berberova, N., Hong, K., Park, J.. Polarization holographic gratings with enhanced parameters recorded in azopolymer based nanocomposite materials. Optik - International Journal for Light and Electron Optics, 226, 2, Elsevier, 2020

10.  Stoykova, E, Nazarova, D, Nedelchev, L, Ivanov, B, Blagoeva, B, Oh, K, Park, J. Dynamic speckle analysis with coarse quantization of the raw data. Applied Optics, 59, 9, OSA Publishing, 2020

11.  L. Nedelchev, E. Stoykova, G. Mateev, B. Blagoeva, A. Otsetova, D. Nazarova, K. Hong, J. Park, Photoinduced chiral structures in case of polarization holography with orthogonally linearly polarized beams. Optics Communications, vol. 461, pp. 125269: 1-5, 2020.

12.  E. Stoykova, D. Nazarova, L. Nedelchev, B. Ivanov, B. Blagoeva, K. Oh, J. Park, Dynamic speckle analysis with coarse quantization of the raw data. Applied Optics, vol. 59, pp. 2810-2819, 2020.

13.  Georgiev A., Dimov D., Stoilova A., Markova F., Nazarova D.. Vapour deposited nanocomposite films of perylene bis azo-imides with improved photoresponsiveness by visible light. Optical Materials, 89, Elsevier, 2019.

14.  L. Nedelchev, D. Ivanov, B. Blagoeva, D. Nazarova “Optical anisotropy induced at five different wavelengths in azopolymer thin films: Kinetics and spectral dependence”, Journal of Photochemistry and Photobiology A: Chemistry, vol. 376, pages 1-6, 2019.

15.  R. Harizanova, V. Gaydarov, G. Zamfirova, E. Stoykova, D. Nazarova, B. Blagoeva, L. Nedelchev “Probing of the mechanical properties and monitoring of the drying process of azopolymer thin films for optical recording”, Thin Solid Films, vol. 687, pages 137441-1-137441-8, 2019.

16.  Stoilova, A. Georgiev, L. Nedelchev, D. Nazarova, D. Dimov “Structure-property relationship and photoinduced birefringence of the azo and azo-azomethine dyes thin films in PMMA matrix”, Optical Materials, vol. 87, pages 16-23, 2019.

17.  L. Nedelchev, D. Ivanov, N. Berberova, V. Strijkova, D. Nazarova “Polarization holographic gratings with high diffraction efficiency recorded in azopolymer PAZO”, Optical and Quantum Electronics, vol. 50, pages 212-1-212-9, 2018.

18.  N. Berberova, D. Daskalova, V. Strijkova, D. Kostadinova, D. Nazarova, L. Nedelchev, E. Stoykova, V. Marinova, C. H. Chi, S. H. Lin “Polarization holographic recording in thin films of pure azopolymer and azopolymer based hybrid materials”, Optical Materials, vol. 64, pages 212-216, 2017.

19.  D. I. Nazarova, L. L. Nedelchev, P. S. Sharlandjiev, V. D. Dragostinova “Anisotropic hybrid organic/inorganic (azopolymer/SiO2 NP) materials with enhanced photoinduced birefringence”, Applied Optics, vol. 52, no. 22, page E28 - E33, 2013.

20.  L. Nedelchev, D. Nazarova, V. Dragostinova, D. Karashanova, “Increase of photoinduced birefringence in a new type of anisotropic nanocomposite: azopolymer doped with ZnO nanoparticles”, Optics Letters, vol. 37, no. 13, page 2676 – 2678, 2012.