Oleh KRUPYCH

Doctor of physical and mathematical sciences

Senior Researcher

Date of birth: August 06, 1965

Education:
1990 - graduated from Physics Faculty of the Ivan Franko State University of Lviv with specialty "optical and optoelectronic devices".
1995-1998 Optics and laser physics postgraduate training at the Institute of physical optics, Lviv.
2003 - Ph.D degree in physics and mathematics; thesis: “Imaging polarimetry of non-homogeneous anisotropic media”.
2006 - Scientific title - Senior Research

Labour activity:
1990-1993 – Engineer, Institute of Applied Problems of Mathematics and Mechanics of the National Academy of Sciences, Lviv, Ukraine.
1993-1995 – Engineer of Institute of physical optics, Lviv
1995-1998 – PhD student on the Optics and Laser Physics Postgraduate Program.
1998-2001 – Junior scientific researcher.
2001-2003 – Scientific researcher.
2003-2005 – Head of the Laboratory of Polarimetry and Gradient Optics.
Since 2005 – Head of the Sector of Polarimetry and Gradient Optics.
2010 – Postdoctoral research fellow, Chemical Department, Marquette University, Milwaukee, Wisconsin, USA.

Areas of interest, contributions and skills

  • High accuracy polarimetry. Gyrotropic properties of single crystals and phase transitions study by mean of high-accuracy single-ray polarimetry. Acoustogyration effect study.
  • Imaging polarimeters design. Design developing, assembling, calibration and software developing for several imaging polarimeters, including Jones matrix imaging polarimeter, imaging null-polarimeter, Fourier imaging polarimeter, infrared imaging polarimeter, small-angular magnetooptic polarimeter.
  • Nonhomogeneous media study by imaging polarimetry. Measurement 2D distribution of non-homogeneous mechanical stresses in transparent solids. Domain structure in ferroic single crystals study. Gradient optical effects study. Study of photorefractive crystals laser damage.
  • Stress tensor field tomography. Application of the imaging polarimetry in photoelastic 3D tomography.
  • Micro- and macroscopic imaging spectrophotometry in visible and infrared range. Design developing, assembling, calibration and software developing for several imaging AOTF-based spectrophotometers.
  • Computer Programming. Pascal, C++ (MS Visual Studio 2008) – computer controlled devices, including stepper motors, AOTFs, CCD and FPA cameras etc; image acquisition and analysis, solving of linear and non-linear equation systems, experimental data fitting, 3D graphing.

    • Selected publications
    1. Berezhnoi I.V., Vlokh O.G., Krupych O.M., Shopa Ya.I. (1988) Gyrotropic properties of Rochelle-salt crystals. – Optika anizotropnykh sred (Optics of anisotropic media) Proc. of All-Union workshop, Moscow, 90-92 (in Russian).
    2. Berezhnyi I.V., Vlokh O.G., Krupych O.M. (1990) Gyrotropy of deuterated Rochelle-salt crystals. Ukr. Phys. J. 35, 41-44 (in Ukrainian).
    3. Berezhna S.Yu., Berezhnyi I.V., Krupych O.M., Vlokh O.G. (1997) On the Application of Polarimetry Technique in Optical Computerized Tomography of Anisotropic Media. in Polarimetry and Ellipsometry, M. Pluta, T.R. Wolinski, Editors, Proc. SPIE 3094, 169-174.
    4. O.M. Krupych, I.V. Berezhnyi. (1998) Automated Jones Matrix Imaging Polarimeter. Visnyk (Herald) of Lviv State University "Lviv Politekhnik", Series "Automation, Measurement, Operation", 348, 3-11 (in Ukrainian).
    5. O.M. Krupych, I.V. Berezhnyi. (1998) Measurements Distribution of Anisotropy Parameters by Mean of Automated Jones Matrix Imaging Polarimeter. Visnyk (Herald) of Lviv State University "Lviv Politekhnik", Series "Automation, Measurement, Operation", 348, 12-16 (in Ukrainian).
    6. O. Krupych, S. Berezhna, I. Berezhnyi, M. Takashi. (2000) Whole-field Mapping in Polarization's Studies by Use of Null Polarimetry. Proc. SPIE 4148, 216-222.
    7. A.S. Andrushchak, V.F. Adamiv, O.M. Krupych, I.Yu. Martynyuk-Lototska, Ya.V. Burak, R.O. Vlokh. (2000) Anisotropy of Piezo- and Elastooptical Effect in beta-BaB2O4 Crystals. Ferroelectrics 238, 299-305.
    8. O. Krupych, O.G. Vlokh, R.O. Vlokh. (2000) The Studies of Domain Structure in Ferroics by Imaging Polarimetry. The Case of Rochelle Salt. Ukr. J. Phys. Opt. 1(1), 35-39.
    9. Krupych O.M., Kostyrko M.E., Vlokh R.O. (2001) Domain structure studying in the Pb3(PO4)2 crystals by the imaging polarimeter. Ukr. J. Phys. Opt. 2(2), 93-97.
    10. Vlokh R., Krupych O., Kostyrko M., Netolya V., Trach I. (2001) Gradient thermooptical effect in LiNbO3 crystals. Ukr. J. Phys. Opt. 2(3), 154-158.
    11. Vlokh R., Krupych O., Maksymuk O. (2003) Possible Principles of Optical 3D Tensor Stress Field Tomography. Ukr. J. Phys. Opt. 4(1), 41-47.
    12. Vlokh R., Volyar A., Mys O., Krupych O. (2003) Appearance of Optical Vortex at Conical Refraction. Examples of NaNO2 and YFeO3 Crystals. Ukr. J. Phys. Opt. 4(2), 90-93.
    13. Krupych O., Girnyk I., Trach I., Vlokh R., Vlokh O. (2003) Thermal Expansion and Phase Transformation Observation in Cs2BX4 (B=Hg, Cd; X=Br, Cl) Crystals. 1. Cs2HgCl4 Crystals. Ukr. J. Phys. Opt. 4(4), 155-160.
    14. I.Girnyk, O.Krupych, I.Martunyuk-Lototska, F.Motsnyi, R.Vlokh. (2003) Phase Coexistence in Cs3Bi2I9 Ferroelastics: Optical, Dilatation and Ultrasonic Velocity Studies. Ukr. J. Phys. Opt. 4(4), 165-169.
    15. Krupych O., Smaga I., Vlokh R. (2003) Determination of 2D Stress Distribution in Semiconductor Glass As2Se3 with Infrared Imaging Polarimeter. Ukr. J. Phys. Opt. 4(4), 187-191.
    16. Krupych O., Girnyk I., Trach I., Martunyuk-Lototska I., Vlokh R., Vlokh O. (2004) Thermal Expansion and Phase Transformation Observation in Cs2BX4 (B=Hg, Cd; X=Br, Cl) Crystals 2. Cs2HgBr4 and Cs2CdBr4 crystals. Ukr. J. Phys. Opt. 5(1), 8-13.
    17. I. Martunyuk-Lototska, O. Mys, O. Krupych, V. Adamiv, Ya. Burak, R. Vlokh, W. Schranz. (2004) Elastic, Piezooptic and Acoustooptic Properties of Borate Crystals (BaB2O4, Li2B4O7 and CsLiB6O10). Integrated Ferroelectrics 63, 99-103.
    18. Krupych O., Adamiv V., Dyachok Ya., Burak Ya., Vlokh R. (2004) Study of Laser-Induced Damage of Improved Strontium-Doped alpha-BaB2O4 Single Crystals. Ukr. J. Phys. Opt. 5(4), 115-117.
    19. Krupych O., Smaga I., Vlokh R. (2005) Studies of Optical Damage in Photorefractive Single LiNbO3 Crystals using Imaging Polarimetry. Ukr. J. Phys. Opt. 6(4), 146-149.
    20. Krupych O., Vasylkiv Yu., Adamenko D., Vlokh R., Vlokh O. (2006) Application of Small-Angular Magnetooptic Polarimetry for Study of Magnetogyration in (Ga0.3In0.7)2Se3 and SiO2 Crystals. Ukr. J. Phys. Opt. 7(4), 171-178.
    21. Krupych O., Adamenko D., Say A., Klymiv I., Vlokh R., Vlokh O. (2007) Studies of magnetogyration in cubic Bi12GeO20 crystals using small-angular magnetooptic polarimetry. Ukr. J. Phys. Opt. 8(1), 25-30.
    22. Vlokh R., Krupych O., Martynyuk-Lototska I. (2007) On the acoustogyration diffraction of light. Ukr. J. Phys. Opt. 8(3), 143-157.
    23. R.O. Vlokh; D.I. Adamenko; O.M. Krupych; O.G. Vlokh. (2007) Small-Angular Polarimetric Magnetooptical Mapping and the Problem of Magnetogyration. Ferroelectrics 348, 48-57.
    24. O. Krupych, Ya. Dyachok, I. Smaga, R.O. Vlokh (2008) Morphology of laser-induced damage of lithium niobate and KDP crystals. Optica Applicata 38(3), 567-574.
    25. O. Krupych, D. Adamenko, O. Mys, A. Grabar, R. Vlokh (2008) Faraday effect in Sn2P2S6 crystals. Appl. Opt. 47, 6040-6045.
    26. Vasylkiv Yu., Kvasnyuk O., Krupych O., Mys O., Maksymuk O., Vlokh R. (2009) Reconstruction of 3D Stress Fields Basing on Piezooptic Experiment. Ukr. J. Phys. Opt. 10(1), 22-37.
    27. Martynyuk-Lototska, I.Y., Mys, O.G., Akimov, S.V., Krupych, O.M., Vlokh, R.O. (2010) Acoustogyration diffraction of optical waves: Case of SiO2 and TeO2 crystals. Opto-electronics Review 18(2), 137-149.
    28. Adamiv, V., Teslyuk, I., Dyachok, Ya., Romanyuk, G., Krupych, O., Mys, O., Martynyuk-Lototska, I., Burak, Ya., Vlokh, R. (2010) Synthesis and optical characterization of LiKB4O7, Li2B6O10, and LiCsB6O10 glasses. Appl. Opt. 49(28), 5360-5365.
    29. Vasylkiv, Yu., Krupych, O., Skab, I., Vlokh, R. (2011) On the spin-to-orbit momentum conversion operated by electric field in optically active Bi12GeO20 crystals. Ukr. J. Phys. Opt. 12(4), 171-179.
    30. Vasylkiv, Yu., Savaryn, V., Smaga, I., Krupych, O., Skab, I., Vlokh, R. (2011) Studies of piezooptic coefficients in LiNbO3 crystals using a crystalline disk compressed along its diameter. Ukr. J. Phys. Opt. 12(4), 180-190.
    31. Savaryn, V., Skab, I., Krupych, O., Vlokh, R. (2012) The method for measuring piezooptic coefficients of crystals using a crystalline disk loaded along its diameter. Ukr. J. Phys. Opt. 13(2), 82-123.
    32. Skab, I., Vasylkiv, Y., Krupych, O., Savaryn, V., Vlokh, R. (2012) Generation of doubly charged vortex beam by concentrated loading of glass disks along their diameter. Appl. Opt. 51(11), 1631-1637.
    33. Krupych, O., Vasylkiv, Y., Kvasnyuk, O., Skab, I., Vlokh, R. (2012) Appearance of optical singularities at the light propagation through glasses with residual stresses. Ukr. J. Phys. Opt. 13(4), 171-176.
    34. Savaryn, V., Vasylkiv, Y., Krupych, O., Skab, I., Vlokh, R. (2013) Polarization singularities of optical fields caused by structural dislocations in crystals. Journal of Optics (United Kingdom) 15(4), 044023.
    35. Krupych, O., Savaryn, V., Krupych, A., Klymiv, I., Vlokh, R. (2013) Determination of piezo-optic coefficients of crystals by means of four-point bending. Appl. Opt. 52(17), 4054-4061.
    36. Mys, O., Kostyrko, M., Smyk, M., Krupych, O., Vlokh, R. (2014) Anisotropy of acousto-optic figure of merit in optically isotropic media. Appl. Opt. (20), 4616-4627.
    37. Krupych, O., Savaryn, V., Vlokh, R. (2014) Precise determination of full matrix of piezo-optic coefficients with a four-point bending technique: the example of lithium niobate crystals. Appl. Opt. (10), B1-B7.
    38. Savaryn, V., Krupych, O., Vlokh, R. (2014) Refined measurements of piezooptic coefficient π66 for the lithium niobate crystals, using a crystalline disk compressed along its diameter. Ukr. J. Phys. Opt. 15(1), 30-37.
    39. Mys, O., Kostyrko, M., Smyk, M., Krupych, O., Vlokh, R. (2014) Anisotropy of acoustooptic figure of merit for TeO2 crystals. 1. Isotropic diffraction. Ukr. J. Phys. Opt. 15(3), 132-154.
    40. Savaryn, V., Krupych, O., Skab, I., Vlokh, R. (2014) Reinvestigation of piezooptic anisotropy appearing in a crystalline disk loaded along its diameter. Ukr. J. Phys. Opt. 15(2), 84-95.
    41. Kvasnyuk, O., Vasylkiv, Yu., Krupych, O., Vlokh, R. (2014) Preferable geometrical parameters of samples for piezooptic experiments. Ukr. J. Phys. Opt. 15(4), 195-206.
    42. Dudok, T.H., Krupych, O.M., Savaryn, V.I., Cherpak, V.V., Fechan, A.V., Gudeika, D., Grazulevicius, J. V., Pansu, B., Nastishin, Y.A. (2014) Lasing in a cholesteric liquid crystal doped with derivative of triphenylamine and 1,8-naphthalimide, and optical characterization of the materials. Ukr. J. Phys. Opt. 15(3), 162-172.
    43. Dudok, T.H., Savaryn, V.I., Krupych, O.M., Fechan, A.V., Lychkovskyy, E., Cherpak, V.V., Pansu, B., Nastishin, Yu.A. (2015) Lasing in imperfectly aligned cholesterics. Appl. Opt. 54(33), 9644-9653.
    44. Mys, O., Kostyrko, M., Krupych, O., Vlokh, R. (2015) Anisotropy of the acousto-optic figure of merit for LiNbO3 crystals: Isotropic diffraction. Appl. Opt. 54(27), 8176-8186.
    45. Martynyuk-Lototska, I., Kushnirevych, M., Zapeka, B., Krupych, O., Kokhan, O., Pogodin, A., Peresh, E., Mys, O., Vlokh, R. (2015) Acoustic anisotropy of acoustooptic Tl3AsS4 crystals. Appl. Opt. 54(6), 1302-1308.
    46. Martynyuk-Lototska, I., Mys, O., Kushnirevych, M., Krupych, O., Vlokh, R. (2015) Acoustic anisotropy for acoustooptic NaBi(MoO4)2 crystals. Ukr. J. Phys. Opt. 16(2), 69-76.
    47. Mys, O., Kostyrko, M., Krupych, O., Vlokh, R. (2015) Anisotropy of acoustooptic figure of merit for TeO2 crystals. 2. anisotropic diffraction. Ukr. J. Phys. Opt. 16(1), 38-60.
    48. Krupych, O., Mys, O., Kryvyy, T., Adamiv, V., Burak, Ya., Vlokh, R. (2016) Photoelastic properties of lithium tetraborate crystals. Appl. Opt. 55(36), 10457-10462.
    49. Mys, O., Krupych, O., Vlokh, R. (2016) Anisotropy of an acousto-optic figure of merit for NaBi(MoO4)2 crystals. Appl. Opt. 55(28), 7941-7955.
    50. Kryvyy, T., Mys, O., Krupych, O., Vlokh, R. (2016) The anisotropy of acoustooptic figure of merit for the collinear diffraction in LiNbO3 crystals. Ukr. J. Phys. Opt. 17(4), 176-187.
    51. Mys, O., Krupych, O., Vlokh, R. (2017) Anisotropy of acoustooptic figure of merit in KH2PO4 crystals. Ukr. J. Phys. Opt. 18(2), 83-94.
    52. Krupych, O., Vasylkiv, Yu., Kryvyy, T., Skab, I., Vlokh, R. (2017) Topological defects of optical indicatrix orientation in optically biaxial crystals. The case of light propagation in the directions close to the optic axes. Ukr. J. Phys. Opt. 18(3), 131-138.
    53. Mys, O., Adamenko, D., Krupych, O., Vlokh, R. (2018) Effect of deviation from purely transverse and longitudinal polarization states of acoustic waves on the anisotropy of acousto-optic figure of merit: The case of Tl3AsS4 crystals. Appl. Opt. 57(28), 8320-8330.
    54. Nastishin, Yu.A., Savaryn, V.I., Lychkovskyy, E., Yakovlev, M.Yu., Vankevych, I., Krupych, O.M., Hrabchak, V.I., Boiko, O., Nazarenko, V.G., Lavrentovich O.D. (2018) Effect of UV-light irradiation on phase diagram of lyotropic chromonic liquid crystal. J. Mol. Liq. 267, 96-99.
    55. Mys, O., Krupych, O., Vlokh, R. (2018) Anisotropy of acousto–optic figure of merit in lithium tetraborate crystals. J. Mod. Opt. 65(12), 1486-1494.