Wydział Fizyki Technicznej, Informatyki i Matematyki Stosowanej / Faculty of Technical Physics, Information Technology and Applied Mathematics / W7

Stały URI zbioruhttp://hdl.handle.net/11652/7

Przeglądaj

Filtry

2013 - 20142

Ustawienia

Autorsearch.filters.applied.operator.equals: search.filters.author.Izdebski, MarekTematsearch.filters.applied.operator.equals: search.filters.subject.aktywność optyczna

Wyniki wyszukiwania

Teraz wyświetlane 1 - 2 z 2
  • Pozycja
    Optimization of measurement conditions of Kerr constant in optical active liquids on the example of castor oil.
    (Wydawnictwo Politechniki Łódzkiej, 2014) Nowakowski, Krystian; Perek, Artur; Izdebski, Marek; Ledzion, Rafał; Górski, Piotr
    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 orientation of polarizer and of quarterwave plate and therefore they were non-equivalent when other, unwanted effects occurred. It was shown that the Kerr constant measurement performed with use of only one system configuration and one length of optical path may be strongly affected by other effects, however taking the arithmetic mean of two results obtained from appropriate system configurations significantly reduces this error. Theoretical dependences were fitted to the experimental results, which allowed for approximation of other constants, like dichroism, linear birefringence and optical activity induced by external electric field (electrogyration).
  • Pozycja
    Analysis of measurement of quadratic electro-optic effect in castor oil
    (Wydawnictwo Politechniki Łódzkiej, 2013) Izdebski, Marek; Ledzion, Rafał; Kucharczyk, Włodzimierz
    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 polarimetric technique. The analysis includes liquids belonging to ∞ ∞, ∞ 2 and ∞ Curie symmetry groups and the following phenomena were taken into account: natural optical activity, natural linear birefringence, dichroism, and the effects induced by an applied electric field – linear and quadratic electro-optic effects and linear and quadratic electrogyration. The presented example concerns numerical error analysis for measurement of the quadratic electro-optic effect in castor oil, which exhibits the symmetry ∞ 2 between a pair of plane-parallel electrodes.