Скаб Ігор Петрович

Заступник директора
(червень 2010 р.)

доктор фізико-математичних наук (2013 р.)

Народився 12.10.1964 року (м. Львів)
Громадянство: українець
Сімейний стан: одружений, має дві доньки

Освіта:
1981 – 1987 р.р. –Львівський державний університет ім. Ів. Франка, фізичний факультет (спеціальність: оптичні і оптико-електронні системи);
1996 – кандидатська дисертація “Особливості ефектів інтерференції та дифракції світла з врахуванням гіротропії кристалів”
2000 – присвоєно звання старшого наукового співробітника
2004 – 2006 р.р. – Львівська державна фінансова академія (спеціальність: фінанси);
2013 – докторська дисертація “Ефекти параметричної сингулярної кристалооптики, індуковані аксіально-симетричними полями”

Трудова діяльність:
1987 – 1989 інженер-оптик, інженер 2-ї кат. Львівського філіалу Київського науково-дослідного інституту гідро приладів.
1989 – 1992 інженер 2-ї кат., молодший науковий співробітник, науковий співробітник Науково-дослідної частини Львівського державного університету ім. Ів. Франка.
1992 – 2004 науковий співробітник, вчений секретар, провідний науковий співробітник Інституту фізичної оптики МОН України.
2004 – 2010 заступник голови правління, голова правління ПАТ Страхова компанія «Ренесанс».
З червня 2010 р. – заступник директор Інституту фізичної оптики МОН України.

Монографії:

Влох Р.О., Скаб І.П., Васильків Ю.В. Монографія “Параметрична сингулярна оптика” Львів: ІФО імені О.Г. Влоха МОН України, 2015.

Наукові праці:

1989
  1. Vlokh R.O., Pyatak Y.A., Skab I.P. Acoustogyration diffraction of light in quartz crystals. Izv. AN SSSR, ser.phys., 1989, v.53, N7, p.1339-1341.
  2. Vlokh R.O., Pyatak Y.A., Skab I.P. Torsion-gyration effect. Ukr.Fiz.Zhurn., 1989, v.34, N7, p. 845-846.
  3. Vlokh R.O., Pyatak Y.A., Skab I.P. Quadratic electro-gyration effect in TeO2 crystals. Kristallografiya, 1989, v.34, N2, p.498.
1990
  1. Vlokh R., Vlokh O., Pyatak Y., Skab I. Acoustogyration diffraction of light. Ferroelectrics, 1990, v.110, p.1117-1121.
  2. Vlokh R.O., Parkhomenko O.V., Pyatak Yu.A., Skab I.P.  Anizotropy of refraction of the circular polarized waves in gyrotropic crystals. Ukr.Fiz.Zhurn. 1990, 35, 680-682.
1991
  1. Vlokh R.O., Pyatak Y.A., Skab I.P. The collinear acoustogyration interaction between ultrasonic and light. Dop. AN URSR, 1991, N7, p.39-41.
  2. Vlokh R.O., Pyatak Y.A., Skab I.P. Conoscopic patterns in gyrotropic crystals with isotropic point. Phys.Sol.Stat., 1991, v. 33, N9, p.2720-2724.
  3. Vlokh R.O., Pyatak Y.A., Skab I.P. Piezo-gyration in the enantiomorphic quartz crystals. Opt.Spectr.,  1991, v.70, N7, p.243-244.
  4. Vlokh R.O., Pyatak Y.A., Skab I.P. The elasto-optic effect in LiNbO3 crystals under the torsion, Phys.Sol.Stat., 1991, v.33, N8, p.2467-2470.
  5. Vlokh R.O., Pyatak Y.A., Skab I.P. Refractive and gyrotropic properties of LiNbO3 crystals under the torsion. Kristallografiya, 1991, v.36, N5, p.1318-1319.
1992
  1. Vlokh R., Pyatak Y., Skab I. Elasto-optic effect in LiNbO3 under the crystal bending. Ferroelectrics, 1992, v.126, pp.239-242.
  2. Vlokh R., Pyatak Y., Skab I. The refraction anisotropy and the interference of the circular polarized optical waves in gyrotropic crystals. Ferroelectrics, 1992, v.126, p.243-246.
  3. Vlokh R., Pyatak Y., Skab I. Conoscopic patterns in the gyrotropic crystals with isotropic point. Ukr.Fiz.Zhurn. 1992. 37, 365-367.
  4. Vlokh R.O., Skab I.P. Light diffraction on the domain structure in Ba2NaNb5O15, and Cd2(MoO4)3. Phys.Sol.Stat. 1992. 3250-3255.
  5. Vlokh R., Pyatak Y., Skab I. On the method of orientation of middle-syngonies crystals. Ukr.Fiz.Zhurn., 1992,  37, 207-210.
1993
  1. Vlokh R.O., Skab I.P. Two-beams refraction of circular polarized light waves. Ukr.Fiz.Zhurn., 1993, v.38, N8,  p.988-989.
1994
  1. Vlokh R.O., Skab I.P. The light diffraction on the domain structure Ba2NaNb5O15 and Cd2(MoO4)2 crystals, Phys.Sol.Stat., 1994.
  2. Vlokh R., Gotra Z., Pyatak Y., Skab I. Elasto-optic and elasto-gyration light diffraction by the domain structure of Ba2NaNb5O15 crystals. Ferroelectrics, 1994, v. 157, p.147-152.
1995
  1. Vlokh R.O., Gotra Z.Y., Kovpak O.V., Skab I.P. Piezo-gyration in K2Cd2(SO4)3 ferroelastic crystal. Ukr.Fiz.Zhurn., 1995, v.40, N 4, p.342-344.
1997
  1. Vlokh O., Vlokh R., Skab I., Popel E. Elasto-optic light diffraction on the domain structure of Pb3(PO4)2 ferroelastic crystals. Ferroelectrics, 1997, v.191, p. 219-223.
  2. Vlokh R., Kostyrko M., Skab I. The observation of “neutral” birefringence line in LiNbO3 crystals under torsion. Ferroelectrics, 1997, v.203, p.113-117.
  3. Vlokh R.O, Kostyrko M.E., Skab I.P. Nondirect rotation of the optical indicatrix under the external influences. Ukr.Fiz.Zhurn., 1997, v.42, N3, p.311-313.
  4. Vlokh R.O., Kostyrko M.E., Skab I.P. Description of gradients of piezo-gyration and piezo-optics caused by twisting and bending. Crystallography Reports, 1997, v.42, N 6, p.1011-1013. (Translated from Kristallografiya, 1997, v.42, N6,  p.1087-1089).
1998
  1. Vlokh R., Y.Uesu, Y.Yamada, I.Skab, O.V.Vlokh. Appearance of paraelastic phase as ferroelastic domain walls in K2Cd2(SO4)3 single crystals. J.Phys.Soc.Japan, 1998, v.67, N10,  p.3335-3337.
  2. Vlokh R., Kostyrko M., Skab I. Principle and application of crystallo-optical effects induced by inhomogeneous deformation. Jap.J.Appl.Phys., 1998, v.37,  p. 5418-5420.
  3. Vlokh R.,  Czapla Z.,  Kosturek B.,  Skab I.,  Vlokh O. V., Girnyk I. Phase diagram and heterophase structure of the K2Cd2xMn2(1-x)(SO4)3 solid solutions. Ferroelectrics, 1998, V.219, No. 1, P. 243 – 250.
2000
  1. Vlokh R., Skab I., Gyrnik I., Czapla Z., Dacko S., Kosturek B. The domain structure of the Rb2Cd2(SO4)3 and Tl2Cd2(SO4)3 langbeinite crystals.1.The domain structure in the ferroelastic phase of th Tl2Cd2(SO4)3 crystals, Ukr.J.Phys.Opt. 2000, v.1, N1, p.28-51.
  2. Rostyslav Vlokh,  Igor Skab,  Oxana Vlokh,  Yoshiaki Uesu, Yasasuda Yamada. Domain structure in the ferroelastic langbeinite K2Cd1.6Mn0.4 (SO4)3. Ferroelectrics, V.242, No. 1, P. 47 – 52.
  3. Vlokh  R. Skab  I. Guzandrow  A. Mogylyak  I. Smagliy S. Uesu Y. The temperature isotropic point inside ferroelectric phase of Rb2Cd2(SO4)3 crystals. Ferroelectrics, 2000, V. 237, No. 1 P. 185 – 191.
  4. Rostyslav Vlokh,  Orest Vlokh,  Andriy Kityk,  Igor Skab,  Igor Girnyk,  Zbignev Czapla,  Boguslav Kosturek, Slawomir Dacko. The isolated point on the concentration-temperature phase diagram of K2Cd2XMn2(l-X)(SO4)3 crystals Ferroelectrics, 2000, V.237, No. 1, P. 177 – 183.
2001
  1. Vlokh R., Skab I., Gyrnik I., Czapla Z., Dacko S., Kosturek B. The domain structure of the Rb2Cd2(SO4)3 and Tl2Cd2(SO4)3 langbeinite crystals.2.The domain structure in the ferroelectric-ferroelastic phase of Rb2Cd2(SO4)3 crystals. Ukr.J.Phys.Opt. 2001, v.2, N2, p.103-106.
  2. Vlokh R., Vlokh O., Skab I. and Uesu Y. Thick domain boundaries in ferroelastic K2Mn2(SO4)3  crystals. Ukr.J.Phys.Opt. 2001, v.2, 148-149.
2002
  1. Vlokh R., Vlokh O., Skab I., Gyrnik I. Optical properties of Langbeinites. Ukr.J.Phys.Opt. 2002, v.3, N2, p.144-154.
  2. R.Vlokh, O.V.Vlokh, I.Skab, I.Girnyk. Optical Properties of Langbeinites (II. Domain structure observation). Ukr.J.Phys.Opt.    2002, v3, 215-230.
  3. R.Vlokh, O.V.Vlokh, I.Skab, I.Girnyk .Optical Properties of Langbeinites (III. Birefringence study at phase transitions and Raman scattering spectrums).  Ukr.J.Phys.Opt.    2002, v3, 231-241.
2004
  1. Vlokh R., Girnyk I., Vlokh O.V., Skab I., SayA. and Y.Uesu Once More About the “Forbidden” Domain Structure and the Isolated Point in K2Cd2xMn2(1-x)(SO4)3 Langbeinites.  Ukr.J.Phys.Opt. 2004, v.5, 141-146.
2010
  1. Yu, V., Savaryn, V., Smaga, I., Skab, I., Vlokh, R. Determination of piezooptic coefficient p14 of LiNbO3 crystals under torsion loading. 2010. Ukrainian Journal of Physical Optics 11 (3), pp. 156-164
  2. Skab I., Vasylkiv Yu. V., Savaryn V., Vlokh R. Relations for optical indicatrix parameters in the conditions of crystal torsion. 2010. Ukrainian Journal of Physical Optics 11 (4), pp. 193-240
2011
  1. I. Skab, I. Smaga, V. Savaryn, Yu. Vasylkiv, and R. Vlokh.Torsion method for measuring piezooptic coefficients.  Crystal Research and Technology. – 2011. – Vol. 46. – Issue 1. – P. 23-36.
  2. Ihor Skab, Yurij Vasylkiv, Ihor Smaga, and Rostyslav Vlokh. Spin-to-orbital momentum conversion via electro-optic Pockels effect in crystals.  Phys. Rev. A. – 2011. – Vol. 84. – Issue 4. – 11 pages.
  3. Skab I., Vasylkiv Yu., Smaga I., Savaryn V. and Vlokh R. On the method for measuring piezooptic coefficients p25 and p14 in the crystals belonging to point symmetry groups 3 and  .  Ukrainian Journal of Physical Optics  – 2011. – Vol. 12. – N1. – P. 28-35.
  4. On the possibility of electrooptic operation by orbital angular momentum of light beams via Pockels effect in crystals. / Ukrainian Journal of Physical Optics. – 2011. – Vol. 12. – N3. – P. 127-136. // Skab I.P., Vasylkiv Yu.V. and Vlokh R.O.
  5. Vasylkiv Yu., Krupych O., Skab I. and Vlokh R. On the spin-to-orbit momentum conversion operated by electric field in optically active Bi12GeO20 crystals.  Ukrainian Journal of Physical Optics. – 2011. – Vol. 12. – N4. – P.171-179.
  6. Vasylkiv Yu., Savaryn V., Smaga I., Krupych O., Skab I. and Vlokh R. Studies of piezooptic coefficients in LiNbO3 crystals using a crystalline disk compressed along its diameter.  Ukrainian Journal of Physical Optics– 2011. – Vol. 12. – N 4.  – P.180-190.
  7. Yurij Vasylkiv, Viktoriya Savaryn, Ihor Smaga, Ihor Skab, and Rostyslav Vlokh. On determination of sign of the piezooptic coefficients using torsion method. Applied Optics. – 2011. – Vol. 50. – Issue 17. – P. 2512-2518.
  8. Ihor Skab, Yurij Vasylkiv, Viktoriya Savaryn, and Rostyslav Vlokh. Optical anisotropy induced by torsion stresses in LiNbO3 crystals: appearance of an optical vortex.  JOSA A. – 2011. - Vol. 28. - Issue 4. - P. 633-640.
  9. Ihor Skab, Yurij Vasylkiv, Bohdan Zapeka, Viktoriya Savaryn, and Rostyslav Vlokh. Appearance of singularities of optical fields under torsion of crystals containing threefold symmetry axes.  JOSA A. – 2011. – Vol. 28. – Issue 7. – P. 1331-1340.
  10. Vasylkiv Yu., Skab I., and Vlokh R. Measurements of piezooptic coefficients p14 and p25 in Pb5Ge3O11 cystals using torsion induced optical vortex.  Ukrainian Journal of Physical Optics– 2011. – Vol. 12. – N 2. – P. 101-108.
  11. Krupych O., Savaryn V., Skab I. and Vlokh R. Interferometric measurements of piezooptic coefficients by means of four-point bending method.  Ukrainian Journal of Physical Optics – 2011. – Vol. 12. – N3. – P.150-159.
  12. Mys O., Skab I., Martynyuk-Lototska I. and Vlokh R. Generation of helical acoustic modes using anisotropic crystals.  Ukrainian Journal of Physical Optics. Supplement 2: Scientific Horizons. – 2011. – Vol. 12. – Suppl. 2 Sc. Horiz. – P. S47-S54.
2012
  1. Skab Ihor, Vlokh Rostyslav,  Spin-to-orbit conversion at acousto-optic diffraction of light: conservation of optical angular momentum . Applied Optics, Vol. 51 Issue 10, pp.C22-C26 (2012)
  2. Skab Ihor, Vasylkiv Yurij, Vlokh Rostyslav, Induction of optical vortex in the crystals subjected to bending stresses. Applied Optics, Vol. 51 Issue 24, pp.5797-5805 (2012)
  3. Ihor Skab, Yuriy Vasylkiv, Oleh Krupych, Viktoriya Savaryn, and Rostyslav Vlokh   Generation of doubly charged vortex beam by concentrated loading of glass disks along their diameter. Applied Optics, Vol. 51, Issue 11, pp. 1631-1637 (2012)
  4. Skab I., Vlokh R.  On the conservation of optical angular momentum at acoustogyration diffraction of light  Ukr. J. Phys. Opt. 2012, 13, 1-3
  5. Vasylkiv Yu., Skab I. and Vlokh R. 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. Phys. Opt. 2012, 13, 51-53
  6. Savaryn V., Skab I., Krupych O. and Vlokh R. The method for measuring piezooptic coefficients of crystals using a crystalline disk loaded along its diameter Ukr. J. Phys. Opt. 2012, 13, 82-123
  7. Krupych O., Vasylkiv Yu., Kvasnyuk O., Skab I. and Vlokh R. Appearance of optical singularities at the light propagation through glasses with residual stresses Ukr. J. Phys. Opt. 2012, 13, 170-176
  8. Vasylkiv Yu., Savaryn V., Smaga I., Skab I. and Vlokh R. Polarisation singularities of optical beam propagating in imperfect quartz crystals. Ukr. J. Phys. Opt. 2012, 13, 204-206
  9. Skab I. Optical anisotropy induced by torsion stresses in the crystals belonging to point symmetry groups 3 and -3. Ukr. J. Phys. Opt. 2012, 13, 158-164.
  10. Skab I., Vasylkiv Y., Vlokh R. Electrooptical method for generating of optical vortices. International Conference on Oxide Materials for Electronic Engineering (OMEE 2012), 2012, Article number 6464796, P. 183-184.
  11. Krupych O., Savaryn V., Skab I., Vlokh R. New method for piezooptic coefficients measurements based on four-point bending. International Conference on Oxide Materials for Electronic Engineering (OMEE 2012), 2012, Article number  6464797, P. 181-182.
2013
  1. V. Savaryn, Yu. Vasylkiv, O. Krupych, I. Skab and R. Vlokh. Polarization singularities of optical fields caused by structural dislocations in crystals. Journal of Optics. 2013. Vol. 15, Issue 4. – 044023. – 9 pp.
  2. Yu. Vasylkiv, I. Skab, R. Vlokh. Efficiency of electrooptic spin-to-orbital angular momentum conversion in crystals. Optical Materials. 2013. Vol. 35, Issue 12. – P. 2496-2501.
  3. Vasylkiv Yu., Skab I. and Vlokh R. Efficiency of spin-to-orbit conversion in crystals subjected to torsion stresses. Ukrainian Journal of Physical Optics.2013. Vol. 14. – Issue 1. – P. 50-56.
  4. Vasylkiv Yu., Smaga I., Skab I. and Vlokh R. Efficient materials for spin-to-orbit angular momentum conversion using bending technique. Ukrainian Journal of Physical Optics. 2013. Vol. 14. – Issue 4. – P. 200-209.
  5. Влох Р.О., Саварин В.І., Крупич О.М., Васильків Ю.В., Скаб І.П. Метод дослідження п'єзооптичних коефіцієнтів. Патент України на корисну модель №76390, 10.01.2013, бюл. № 1.
2014
  1. Yurij Vasylkiv, Ihor Skab, and Rostyslav Vlokh 2014. Generation of double-charged optical vortices on the basis of electro-optic Kerr effect. Applied Optics. Vol. 53, Issue 10,  P. B60-B73.
  2. Yuriy Vasylkiv, Ihor Skab, Mykola Smyk, and Rostyslav Vlokh. 2014. Topological defects of optical indicatrix orientation in stressed glasses: spatial distribution of optical anisotropy parameters.  Applied Optics. Vol. 53, Issue 18,  P. 3967–3975.
  3. Y. Vasylkiv, M. Smyk, I. Skab and R. Vlokh. 2014. Torque-operated gradient-index axicon.  Ukrainian Journal of Physical Optics, Vol. 15,  Issue 1,  P. 9-16.
  4. V. Savaryn, O. Krupych, I. Skab and R. Vlokh. 2014. Reinvestigation of piezooptic anisotropy appearing in a crystalline disk loaded along its diameter.  Ukrainian Journal of Physical Optics Vol. 15,  Issue 2,  P. 84-95.
  5. Vasylkiv Yurij, Skab Ihor, Vlokh Rostyslav. 2014. Crossover regime of optical vortices generation via electro-optic nonlinearity: the problem of optical vortices with the fractional charge generated by crystals, J.Opt.Soc.Am. A, Vol. 31, Issue 9, P.1936-1945.
  6. Vasylkiv Yu., Kryvyy T., Skab I. and Vlokh R. 2014. Behavior of topological defects of optical indicatrix orientation in cubic single crystals under conically distributed electric field.  1. The electric field and the optical beam parallel to the three-fold symmetry axis. Ukr. J. Phys. Opt. Vol. 15, P.184-194
2015
  1. Yuriy Vasylkiv, Dmitro Adamenko, Oleksiy Kvasnyuk, Ihor Smaga, Ihor Skab, Yaroslav Shopa, Rostyslav Vlokh. Torsion-induced optical rotation in isotropic glass media. / Applied Optics. – 2015. – Vol. 54. – No. 9. – P. 2356-2361.
  2. V Savaryn, Yu Vasylkiv, O Krupych, I Skab, R Vlokh. Corrigendum: Polarization singularities of optical fields caused by structural dislocations in crystals (2013 J. Opt. 15 044023). / Journal of Optics. – Vol. 17. – Issue 8. – Pages 089501.
  3. Savaryn V., Vasylkiv Yu., Skab I. and Vlokh R. Topological defects of optical indicatrix orientation associated with the edge structural dislocations in crystals. / Ukrainian Journal of Physical Optics– 2015. – Vol. 16. – Issue 3. – P. 138-146.
  4. Savaryn V., Vasylkiv Yu., Skab I. and Vlokh R. Topological defects of optical anisotropy parameters caused by the screw dislocations of crystalline structure. / Ukrainian Journal of Physical Optics – 2015. – Vol. 16. – Issue 4. – P. 171-177.
  5. Yu. Vasylkiv, T. Kryvyy, I. Skab and R. Vlokh. Behaviour of topological defects of optical indicatrix orientation in cubic, hexagonal, trigonal and tetragonal crystals under conically distributed electric field. 2. The electric field and the optical beam parallel to the principal crystallographic directions. / Ukrainian Journal of Physical Optics – 2015. – Vol. 16. – Issue 1. – P. 1-16.
2016
  1. Yu. Vasylkiv, Igor Skab, Rostyslav Vlokh. Identification of the topological defects of o-tical indicatrix orientation in CaB4O7 glasses.  Journal of Optics. – 2016. – Vol. 17. –– 084006.
  2. Yu. Vasylkiv, T. Kryvyy, I. Skab and R. Vlokh. Conditions of appearance of the topological defects of optical indicatrix orientation in the glasses with residual stresses: Moveent of the defects under application of external mechanical stress to CaB4O7 glasses. U-rainian Journal of Physical Optics.– 2016. – Vol. 17. – Issue 2. – P. 65-74.
  3. Yu. Vasylkiv, T. Kryvyy, I. Skab and R. Vlokh.Conditions of appearance of the topolo-ical defects of optical indicatrix orientation in the glasses with residual stresses: Moveent of the defects under application of external mechanical stress to CaB4O7 glasses: E-rata.  Ukrainian Journal of Physical Optics.– 2016. – Vol. 17. – Issue 4. – P. 167-168.
2017
  1. Vasylkiv Yu., Skab I. and Vlokh R. 2017. Topological defects caused by inhomogeneity of optical activity. Ukr. J. Phys. Opt. 18 95-101.
  2. Krupych O., Vasylkiv Yu., Kryvyy T., Skab I. and 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. 18 131-138.
  3. Vasylkiv Yu., Kryvyy T., Skab I. and Vlokh R. 2017. Conditions of appearance of the topological defects of optical indicatrix orientation in the glasses with residual stresses: Movement of the defects under application of external mechanical stress to CaB4O7 glasses: Errata. Ukr. J. Phys. Opt. 17 167-168.
  4. Yu. Vasylkiv, T. Kryvyy, I. Skab, and R. Vlokh. 2017. Electro-optically induced topological reactions of optical indicatrix orientation and polarization state defects. Applied Optics. Vol. 56, Issue 35, pp. 9613-9619 .
  5. Влох Р.О., Скаб І.П., Васильків Ю.В., Смик М.В. Спосіб формування оптичних пучків Бесселя за допомогою градієнтного аксікона з керованою фокусною відстанню. Патент України на винахід № 114788, 10.08.2017, бюл. № 15.
2018
  1. Iryna Martynyuk-Lototska, Yurii Vasylkiv, Taras Dudok, Ihor Skab, Rostyslav Vlokh. Acoustooptic operation of optical vortex beams.  Optik.  2018.  Vol. 155.  P. 179-184.
  2. Vasylkiv Yu., Kryvyy T., Abbasov I., Boyko V., Skab I. and Vlokh R. Torsion induced optical “triaxiality” in LiNbO3 crystals.  Ukrainian Journal of Physical Optics.  2018.  Vol. 19.  Issue 1.  P. 20-26.
  3. Vasylkiv Yu., Martynyuk-Lototska I., Skab, I., Vlokh, R. Generation of an optical vortex array in the course of acousto-optic diffraction. Applied Optics. 2018. Vol. 57, Issue 35, P. 10284-10289.