A
A. Spadło
Researcher at Military University of Technology in Warsaw
Publications - 41
Citations - 699
A. Spadło is an academic researcher from Military University of Technology in Warsaw. The author has contributed to research in topics: Liquid crystal & Birefringence. The author has an hindex of 13, co-authored 41 publications receiving 616 citations. Previous affiliations of A. Spadło include Technical University of Madrid.
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Influence of alkoxy chain length and fluorosubstitution on mesogenic and spectral properties of high tilted antiferroelectric esters
M. Żurowska,Roman Dąbrowski,Jerzy Dziaduszek,Katarzyna Garbat,M. Filipowicz,Marzena Tykarska,W. Rejmer,Krzysztof Czupryński,A. Spadło,Noureddine Bennis,José Manuel Otón +10 more
TL;DR: The synthesis and properties of a few dozen highly evolved analogues of (S)-MHPOBC are reported in this paper, as evidenced by polarized optical microscopy and differential scanning calorimetry, respectively.
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Synthesis, mesomorphic and optical properties of isothiocyanatotolanes
A. Spadło,Roman Da˛browski,M. Filipowicz,Zofia Stolarz,Jan Przedmojski,Sebastian Gauza,Claire Y. H. Fan,Shin-Tson Wu +7 more
TL;DR: The synthesis, mesomorphic properties and UV absorption spectra of laterally fluorine substituted, and the corresponding unsubstituted, 4′-alkyl-, 4''-alkoxy-, 4 ''-alkycyclohexyl]-hexyl, 4'']-bicyclo [2, 2, 2]octyl]-octyl- and 4''−hexyl-hexylethyl-4''-4 ''-isothiocyanatotolanes are described in this paper.
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High birefringence and high resistivity isothiocyanate‐based nematic liquid crystal mixtures
TL;DR: In this paper, the molecular structures and physical properties of several single and double-fluorinated isothiocyanatotolane compounds are reported and two eutectic mixtures comprising these compounds are formulated and their properties evaluated.
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Large Microwave Birefringence Liquid-Crystal Characterization for Phase-Shifter Applications
Frédéric Dubois,Freddy Krasinski,B. Splingart,Nicolas Tentillier,Christian Legrand,A. Spadło,Roman Dabrowski +6 more
TL;DR: In this paper, a large birefringence nematic liquid crystal (LBN) was used to improve the performance of a microwave liquid-crystal phase shifter.
Journal ArticleDOI
Mesomorphic, dielectric, and optical properties of fluorosubstituted biphenyls, terphenyls, and quaterphenyls
Przemysław Kula,A. Spadło,Jerzy Dziaduszek,M. Filipowicz,Roman Dąbrowski,Joanna Czub,Stanisław Urban +6 more
TL;DR: In this paper, the mesomorphic and physical behavior of four new liquid crystal materials with negative dielectric anisotropy (Δn) values of 3.25 were investigated.