Now showing items 1-19 of 19

    • Analysis of measurement of quadratic electro-optic effect in castor oil 

      Izdebski, Marek; Ledzion, Rafał; Kucharczyk, Włodzimierz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2013)
      This works presents an extended theoretical analysis of the response of experimental setup to an applied electric field during measurements of electro-optic coefficients in optically active liquids using an optical ...
    • Analytical kinetic block model of crystal-mother-phase multilayer interface. 

      Organiściak, Maciej; Izdebski, Marek; Ledzion, Rafał (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2015)
      Simple kinetic block model of multilayer crystal-mother-phase interface is proposed. The model leads to a system of differential equations which can be solved without the need to run Monte Carlo simulations. The proposed ...
    • Application of electrooptic modulators for divergent light beam 

      Izdebski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2009)
      Analysis of electrooptic modulators of the light strength working with divergent light beam is performed numerically employing the Jones matrices method. The approach allows to consider small inaccuracies in cutting and ...
    • Conductivity in cured epoxy resins containing a biphenyl unit 

      Włodarska, Magdalena; Izdebski, Marek; Bąk, Grzegorz; Mossety-Leszczak, Beata; Galina, Henryk (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      Conductivity of two epoxy matrices based on the same monomer was compared. The epoxy monomer had symmetric structure and contained the biphenyl group which induced additional phase transitions in the pure material. Two ...
    • Electrooptic modulation of light beams deviated far from normal incidence 

      Izdebski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2008)
      It is shown that the electrooptic modulation of the phase difference for the light beams propagating oblique through the crystalline plane-parallel plate appears not only as the direct result of the field-induced changes ...
    • Estimations of the magnitude of the fourth-order electrooptic effect in KDP-type crystals 

      Ledzion, Rafał; Izdebski, Marek; Górski, Piotr; Kucharczyk, Włodzimierz (Lodz University of Technology PressWydawnictwo Politechniki Łódzkiej, 2013)
      An attempt to measure the fourth-order electrooptic effect in KH2PO4(KDP) and NH4H2PO4(ADP) is presented. Contrary to previously reported results of the order of magnitude 10-30m4V-4, the fourth-order coefficient |g111111- ...
    • Frequency dependence of the Kerr constant in nynas nytro 3000 oil determined by the polarimetric method 

      Poborska, Julita; Dąbrówka, Dominika; Chwirot, Maksymilian; Ledzion, Rafał; Izdebski, Marek; Kucharczyk, Włodzimierz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2018)
      Frequency dependence of the Kerr constant in nynas nytro 3000 oil determined by the polarimetric method A frequency dependence of the Kerr constant K in transformer oil Nynas Nytro 3000 within a frequency range 117-5017 ...
    • The impact of aromatic additives on kerr effect in rapeseed oil. 

      Komenda, Anna; Górski, Piotr; Ledzion, Rafał; Izdebski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2015)
      The Kerr constant and quadratic electro-optic effect were determined for a few different rapeseed oils. The aim of the study was to investigate if aromatic additives in the oil influence its optical properties. Moreover, ...
    • Influence of electrode material spacing between electrodes on measurement of Kerr constant in castor oil. 

      Perek, Artur; Ledzion, Rafał; Izdebski, Marek; Nowakowski, Krystian; Górski, Piotr (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2014)
      The influence of the electrode material and of the spacing between electrodes on Kerr constant in castor oil is investigated. It is shown that the spacing of the electrodes influences the measurement of Kerr constant whereas ...
    • Modification of Bragg-Williams approximation applied in Jackson's model of crystal growth 

      Izdebski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      Results of Monte Carlo simulations for single-layer solid-fluid interface were compared with Bragg-Williams approximation, which describes the number of bonds between solid and fluid cells in Jackson's crystal growth model. ...
    • Modulation technique used for measurement of very weak linear birefringence and dichroism in liquids on the example of castor oil between metal electrodes. 

      Izdebski, Marek; Ledzion, Rafał (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology Press, 2014)
      A technique for measurement of very weak linear birefringence of the order of 10-7and dichroism in liquids is proposed. The method is based on the polarimetric technique. A characteristic feature is that the experimental ...
    • On the contribution of the quadratic electrooptic effect to the nonlinear response proportional to the fourth power of modulating field 

      Izdebski, Marek; Kucharczyk, Włodzimierz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2007)
      It is shown that the fourth-order electrooptic effect cannot be measured without a background of the contribution that is proportional to the square of the quadratic electrooptic coefficient. The contribution manifests on ...
    • On the nature temperature dependence of intrinsic quadratic electrooptic coefficients in KDP-type crystals 

      Kucharczyk, Włodzimierz; Ledzion, Rafał; Górski, Piotr; Izdebski, Marek (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2010)
      It is shown that the fourth-order electrooptic effect may be responsible for the temperature dependence of the quadratic electrooptic coefficients defined in terms of polarization. An example is given for the ammonium ...
    • On the possibility of measurements of nonlinear electrooptic effects in 432 symmetry crystals 

      Kucharczyk, Włodzimierz; Górski, Piotr; Izdebski, Marek; Ledzion, Rafał (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2011)
      It is shown that despite the fact that in 432 point group crystals the linear electrooptic effect is vetoed by symmetry there are configurations for which the third-order effect may appear. The results obtained indicate ...
    • Optimization of measurement conditions of Kerr constant in optical active liquids on the example of castor oil. 

      Nowakowski, Krystian; Perek, Artur; Izdebski, Marek; Ledzion, Rafał; Górski, Piotr (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology Press, 2014)
      The results of measurements of Kerr constant in castor oil, obtained by dynamic-polarimetric method are presented. Variable optical path length and four measurement setup configurations were used. They differed by the ...
    • Study of electrically induced orientational ordering in mineral oils on the example of orlen oil trafo en. 

      Izdebski, Marek; Adamus, Monika; Jóźwiak, Ewelina; Ledzion, Rafał (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2016)
      A simple model of orientational ordering of molecules in the liquid under the influence of an applied sinusoidal electric field of low frequency is presented. The predicted theoretical dependencies of linear birefringence ...
    • Temperature dependence of the Kerr constant of fomblin M03. 

      Ledzion, Rafał; Górski, Piotr; Izdebski, Marek; Kucharczyk, Włodzimierz (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2016)
      The Kerr constant B of perfluoropolyether Fomblin M03 has been determined within the temperature range 295-370K. At 300K the constant B was found to be equal to 2.8·10-15 m/V2. The measurements indicate that B varies ...
    • Verification of one-dimensional models describing anisotropy of step growth 

      Izdebski, Marek; Ledzion, Rafał (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2017)
      Models that allow to obtain directional dependencies of normal velocity of a straight step on the (001) face of Kossel crystal and its edge free energy are reviewed. The dependencies were considered in a wide range of ...
    • What is the symmetry of castor oil between metal electrodes? 

      Izdebski, Marek; Ledzion, Rafał; Górski, Piotr (Wydawnictwo Politechniki ŁódzkiejLodz University of Technology. Press, 2012)
      Presented experimental data show that castor oil between metal flat electrodes can not be satisfactorily described as an isotropic liquid of ∞ ∞ symmetry, even in the absence of an electric field between the electrodes. ...