VASYLKIV Yurii

Scientific researcher, PhD

Born on ----------------------------
Eucation and Experience:
2004 - Ivan Franko National University of Lviv, Faculty of Electronics (Bachelor in optics and radiophysics)
2005 - Ivan Franko National University of Lviv, Faculty of Electronics (Specialist in optics and radiophysics)
2005 - 2006 - Engineer in the Institute of Physical Optics
since 2006 - Scientific researcher in the Institute of Physical Optics
2010 - Ph.D. in optics, laser physics. Dissertation: “Optical and elastic anisotropy with accounting of gyration and piezo-induced and domain configurations” Advisor: Dr. R.Vlokh


Research skills and qualifications
• Modelling and numerical computations of physical processes
• Automation of the experiment

• Computer algebra and calculating software
• Programming ability in Delphi, C++
• Vector graphics basics

Selected journal articles:
  1. I.Skab, Yu.Vasylkiv, and R.Vlokh, (2012) Induction of optical vortex in the crystals subjected to bending stresses. Applied Optics 51 5797-5805
  2. Vasylkiv Yu., Savaryn V., Smaga I., Skab I. and Vlokh R., (2012) Polarisation singularities of optical beam propagating in imperfect quartz crystals. Ukr. J. of Phys. Opt. 13 204-206
  3. O.Krupych, Yu.Vasylkiv, O.Kvasnyuk, I.Skab and R.Vlokh, (2012) Appearance of optical singularities at the light propagation through glasses with residual stresses. Ukr. J. of Phys. Opt. 13 170-176
  4. I.Skab, Yu.Vasylkiv, O.Krupych, V.Savaryn, and R.Vlokh, (2012) Generation of doubly charged vortex beam by concentrated loading of glass disks along their diameter. Applied Optics 51 1631-1637
  5. Yu.Vasylkiv, O.Mys, B.Zapeka, and R.Vlokh, (2012) On the critical exponent of order parameter in Sn2P2S6 and Sn2P2(Se0.28S0.72)6 crystals. Ukr. J. of Phys. Opt. 13 135-141
  6. Yu.Vasylkiv, I.Skab, and R.Vlokh, (2012) Appearance of spiral patterns at the interference of spherical and vortex-bearing waves in the cases of torsion- and electric field-induced vortices in crystals. Ukr. J. of Phys. Opt. 13 51-53
  7. I.Skab, Yu.Vasylkiv, I.Smaga, and R.Vlokh, (2011) Spin-to-orbital momentum conversion via electro-optic Pockels effect in crystals. Phys. Rev. A 84 043815
  8. Yu.Vasylkiv, V.Savaryn, I.Smaga, O.Krupych, I.Skab and R.Vlokh, (2011) Studies of piezooptic coefficients in LiNbO3 crystals using a crystalline disk compressed along its diameter. Ukr. J. of Phys. Opt. 12 180-190
  9. Yu.Vasylkiv, O.Krupych, I.Skab and R.Vlokh, (2011) On the spin-to-orbit momentum conversion operated by electric field in optically active Bi12GeO20 crystals. Ukr. J. of Phys. Opt. 12 171-179
  10. I.Skab, Yu.Vasylkiv, V.Savaryn, and R.Vlokh, (2011) Optical anisotropy induced by torsion stresses in LiNbO3 crystals: appearance of an optical vortex. JOSA A 28 633-640
  11. I.Skab, Yu.Vasylkiv, and R.Vlokh, (2011) On the possibility of electrooptic operation by orbital angular momentum of light beams via Pockels effect in crystals. Ukr. J. of Phys. Opt. 12 156-164
  12. Yu.Vasylkiv, I.Skab and R.Vlokh, (2011) Measurements of piezooptic coefficients pi14 and pi25 in Pb5Ge3O11 crystals using torsion induced optical vortex. Ukr. J. of Phys. Opt. 12 101-108
  13. B.Zapeka, Yu.Vasylkiv, O.Mys, R.Vlokh, (2011) On the tricritical behaviour of the Sn2P2S6 crystals. Phase Transitions: A Multinational Journal 84 193-203
  14. Yu.Vasylkiv, V.Savaryn, I.Smaga, I.Skab, and R.Vlokh, (2011) On determination of sign of the piezo-optic coefficients using torsion method. Applied Optics 50 2512-2518
  15. I.Skab, Yu.Vasylkiv, B.Zapeka, V.Savaryn, and R.Vlokh, (2011) Appearance of singularities of optical fields under torsion of crystals containing three fold symmetry axes. JOSA A 28 1331-1340
  16. I.Skab, Yu.Vasylkiv, I.Smaga, V.Savaryn and R.Vlokh, (2011) On the method for measuring piezooptic coefficients pi25 and pi14 in the crystals belonging to point symmetry groups 3 and _3 Ukr. J. of Phys. Opt. 12 28-35
  17. I.Skab, I.Smaga, V.Savaryn, Yu.Vasylkiv, and R.Vlokh, (2011) Torsion method for measuring piezooptic coefficients. Crystal Research and Technology 46 23-36
  18. I.Skab, Yu.Vasylkiv, V.Savaryn, and R.Vlokh, (2010) Relations for optical indicatrix parameters in the conditions of crystal torsion. Ukr. J. of Phys. Opt. 11 193-240
  19. Yu.Vasylkiv, V.Savaryn, I.Smaga, I.Skab, and R.Vlokh, (2010) Determination of piezooptic coefficient π14 of LiNbO3 crystals under torsion loading. Ukr. J. of Phys. Opt. 11 156-164
  20. D.Adamenko, I.Klymiv, Yu.Vasylkiv, V.Duda, A.Ermakov, and R.Vlokh, (2009) Optical activity and the critical exponent of order parameter in lead germanate crystals. 2. Electrogyration and dielectric properties of Pb5Ge3O11:Cu2+. Ukr. J. of Phys. Opt. 10 194-200
  21. D.Adamenko, I.Klymiv, Yu.Vasylkiv, and R.Vlokh, (2009) Optical activity and critical exponent of the order parameter in lead germanate crystals. 1. The case of diffused phase transition in Pb5Ge3O11 doped with Cu, Ba and Si ions. Ukr. J. of Phys. Opt. 10 182-193
  22. Yu.Vasylkiv, O.Kvasnyuk, O.Krupych, O.Mys, O.Maksymuk, and R.Vlokh, (2009) Reconstruction of 3D stress fields basing on piezooptic experiment. Ukr. J. of Phys. Opt. 10 22-37
  23. Yu.Vasylkiv, M.Polomska, I.Teslyuk, Yu.Nastishin, and R.Vlokh, (2008) Temperature behavior of lysozyme crystals: polarization microscopy and micro-Raman studies. Soft Materials 6 129-139
  24. A.Say, Yu.Vasylkiv, I.Teslyuk, O.Vlokh, I.Martynyuk-Lototska, S.Sveleba, I.Girnyk, and R.Vlokh, (2008) Phase diagram and domain structure of the Rb2xTl2(1-x)Cd2(SO4)3 Solid Solutions. Phase Transitions 81 509–524
  25. R.Vlokh, Yu.Vasylkiv, D.Adamenko, O.Krupych, and O.G.Vlokh, (2008) Application of small-angular magnetooptic polarimetry for the study of magneto-gyration in (Ga0.3In0.7)2Se3, Bi12GeO20 and SiO2 crystals. J. Opt. A: Pure Appl. Opt. 10 5004-5012
  26. O.Mys, Yu.Vasylkiv, I.Martynyuk-Lototska, and R.Vlokh, (2007) Piezogyration effect in paratellurite crystals. Ukr. J. of Phys. Opt. 8 209-216
  27. Yu.Vasylkiv, M.Polomska, Yu.Nastishin, R.Vlokh, (2007) Temperature micro-Raman study of lysozyme crystals. Ukr. J. of Phys. Opt. 8 158-165
  28. Yu.Vasylkiv, Yu.Nastishin, and R.Vlokh, (2007) On the problem of phase transitions in lysozyme crystals. Ukr. J. of Phys. Opt. 8 83-87
  29. I.Teslyuk, Yu.Vasylkiv, Yu.Nastishin, and R.Vlokh, (2007) Structural Phase Transition in Lysozyme Crystals. Ferroelectrics 346 49-55
  30. O.Krupych, Yu.Vasylkiv, D.Adamenko, R.Vlokh, and O.Vlokh, (2006) Application of Small-Angular Magnetooptic Polarimetry for Study of Magnetogyration in (Ga0.3In0.7)2Se3 and SiO2 Crystals. Ukr. J. of Phys. Opt. 7 171-178
  31. A.Say, Yu.Vasylkiv, I.Girnyk, and R.Vlokh, (2006) On the “Forbidden” Ferroelastic Domain Structure in Rb2xTl2(1-x)Cd2(SO4)3 Crystals (x=0.1, 0.2 and 0.3). Optical Microscopic Observations. Ukr. J. of Phys. Opt. 7 108-115
  32. Yu.Vasylkiv, Yu.Nastishin, and R.Vlokh, (2006) Conoscopic Patterns for Optically Uniaxial Gyrotropic Crystals in the Vicinity of Isotropic Point. Ukr. J. of Phys. Opt. 7 89-99
REPORTS
"Optical vortex operation using ferroelectric materials", II Ukrainian-Polish-Lithuanian Meeting on Ferroelectric physics, 2012, Lviv, Ukraine
“On the appearance of singularities of optical field at the torsion of crystals”, The 10th International Conference ”Correlation Optics”, 2011, Chernivtsi, Ukraine
"Conoscopic patterns for optically uniaxial gyrotropic crystals in the vicinity of isotropic point", VIII Ukrainian-Polish and III East-European Meeting on Ferroelectrics Physics, 2006, Lviv, Ukraine