Myroslav KOSTYRKO

 

PhD of physics and mathematics, Senior Researcher

Date of birth: October 20, 1961
Education:

1978-1981 - Studying in the University of Lviv, department of physics;
1981-1984 - Studying in the Moscow Engineering-Physical Institute (special department)
2000 - PhD. degree, dissertation - “Birefringence and gyrotropy of the LiNbO3 and NaBi(MoO4)2 crystals at axial-tensor deformations”;
Since 2001 - Scientific Secretary of the Vlokh Institute of Physical Optics;
2004 - Senior Researcher

Labour activity:  
1984 - Engineer of the L’viv State University;
1984-1987 - Post graduate student of The P.Lebedev Physical Institute (Moscow);
1988-1991 - Engineer of the “Polaron” plant;
1991-1993- Engineer of the “Positron” company;
1991- Engineer of the “Quarc” company;
1993 - 2001 - Junior Scientific Researcher, Scientific Researcher of the Institute of Physical Optics;

Selected scientific papers (1997-2010):

  1. Vlokh R., Kostyrko M., Skab I. The observation of “neutral” birefringence line in LiNbO3 crystals under torsion. Ferroelectrics, 1997, v.203, pp.113-117.
  2. Vlokh R.O, Kostyrko M.E., Skab I.P. Nondirect rotation of the optical indicatrix under the external influences. Ukr.Phys.J. 1997, v.42, N3, pp.311-313.
  3. Vlokh R.O., Kostyrko M.E., Skab I.P. Description of Gradients of Piezogyration and Piezooptics Caused by Twisting and Bending. Crystallography      Reports, 1997, v.42, N 6, pp.1011-1013. (Translated from Kristallografiya, 1997, v.42, N6,  pp.1087-1089).
  4. Vlokh R., Kostyrko M., Skab I. Principle and application of crystallo-optical effects induced by inhomogeneous deformation, Jap.J.Appl.Phys., 1998, v.37,  pp. 5418-5420.
  5. Vlokh R., Mys O., Andrushchak A., Kostyrko M. Combined peizoelectrooptical effect in LiNbO3 and LiTaO3 crystals, Ukr.J.Phys.Opt. 2002, v.3, N2,      p.115-118.
  6. Vlokh R., Krupych O.,  Kostyrko M., Netolya V., Trach I. Gradient thermooptical effect in LiNbO3 crystals, Ukr.J.Phys.Opt. 2001, v.2, N2, p.154-158.
  7. Vlokh R.,  Kostyrko M. Optical anisotropy in the nonuniform fields, Ukr.J.Phys.Opt. 2001, v.1, N2, p.65-89.
  8. Vlokh R., Kostyrko M., Krychkevych V. Symmetry analysis of photorefractive electrogyration and electrogyration study in the LiNbO3 crystals,      Ukr.J.Phys.Opt. 2001, v.2, N2, p.86-92.
  9. Krupych O., Kostyrko M., Vlokh R. Domain structure studying in the Pb3(PO4)2 crystals by imaging polarimeter, Ukr.J.Phys.Opt. 2001, v.2, N2, p.93-97;
  10. Vlokh R.,Kostyrko M. Estimation of the Birefringence Change in Crystals Induced by Gravitation Field , Ukr.J.Phys.Opt. 2005, v.6, N4, p.125-127
  11. R. Vlokh and M. Kostyrko Reflection of Light Caused by Gravitation Field of Spherically Symmetric Mass, Ukr.J.Phys.Opt. 2005, v.6, N3, p.120-123
  12. Vlokh R. and Kostyrko M. Optical-Gravitation Nonlinearity: A Change of Gravitational Coefficient G induced by Gravitation Field, Ukr.J.Phys.Opt. 2006,      v.7, N4, 179-182.
  13. Zapeka B., Kostyrko M. and Vlokh R. Coexistence of ordinary gyration and weak optical activity in crystals: eigen waves of a new type, Ukr.J.Phys.Opt.      2010, v.11, N2, p.119-125;
  14. Zapeka B., Kostyrko M. and Vlokh R. On the light refraction and polarisation in the presence of weak optical activity, Ukr.J.Phys.Opt. 2010, v.11, N1,     p.68-73.

Selected scientific papers (2015-2018):

  1. Zapeka, B., Kostyrko, M., Martynyuk-Lototska, I., Vlokh, R. Critical behaviour of Sn2P2S6 and Sn2P2(Se0.28S0.72)6crystals under high hydrostatic pressures. Philosophical Magazine, 2015, Vol. 95, Issue 4, pp. 382-393.
  2. Zapeka, B., Say, A., Vlokh, O., Kostyrko, M., Martynyuk-Lototska, I., Vlokh, R. Special points on the phase diagrams of langbeinites. The case of (x, T)-phase diagram of mixed K2xRb2(1−x)Cd2(SO4)3 crystals. Phase Transitions, 2015, Vol. 88, Issue 2, pp. 192-200.
  3. Mys, O., Kostyrko, M., Krupych, O., Vlokh, R. Anisotropy of acoustooptic figure of merit for teo2 crystals. 2. Anisotropic diffraction. Ukrainian Journal of Physical Optics, 2015, Vol. 16, No. 1, pp. 38-60.
  4. Mys, O., Kostyrko, M., Vasylkiv, Y., Vlokh, R. Anomalous behaviour of acoustooptic figure of merit under the conditions of collinear diffraction. Ukrainian Journal of Physical Optics, 2015, Vol. 16, No. 4, pp. 187-192.
  5. Mys, O., Kostyrko, M., Krupych, O., Vlokh, R. Spiral patterns in the anisotropy of acousto-optic figure of merit for LiNbO3 crystals: The case of anisotropic diffraction in the interaction plane XY. Ukrainian Journal of Physical Optics, 2016, Vol. 17, No. 1, pp. 1-9.
  6. Oksana Mys, Myroslav Kostyrko, and Rostyslav Vlokh Anisotropy of acousto-optic figure of merit for LiNbO3 crystals: anisotropic diffraction. Applied Optics, 2016, Vol. 55, Issue 9, pp. 2439-2450.
  7. Mys O., Martynyuk-Lototska I., Adamenko D., Kostyrko M. and Vlokh R. Anisotropy of acousto-optic figure of merit at the collinear acousto-optic diffraction in hexagonal CdS crystals. Ukrainian Journal of Physical Optics, 2018, Vol. 19, No. 3, pp. 165-178.
  8. Mys O., Kostyrko M., Adamenko D. and Vlokh R. Anisotropy of acousto-optic figure of merit in tetragonal crystals with accounting for non-orthogonality of acoustic eigenwave polarizations. 1. The cases of KH2PO4 and NH4H2PO4 crystals. Ukrainian Journal of Physical Optics, 2018, Vol. 19, No. 4, pp. 220-236.