Prof. Slobodan Žumer Profile

Prof. Slobodan Žumer

Scientific Advisor at Jozef Stefan Institute

SPIE Involvement:

Author

Area of Expertise:

liquid crystals: theory & simulations , nematic colloids , polimer dispersed liquid crystals , liquid crystal elastomers: theory & simulations , elelectro-optics

Publications (24)

Proceedings Article | 18 June 2024 Presentation

Unwound chiral nematics as a playground for optical and topological solitons

Guilhem Poy, Slobodan Žumer

Proceedings Volume PC13016, PC130160G (2024) https://doi.org/10.1117/12.3021795

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Proceedings Article | 3 October 2022 Presentation + Paper

Scattering-based microscope imaging of light beams in soft birefringent media with orientational fluctuations

Guilhem Poy, Slobodan Žumer

Proceedings Volume 12207, 1220708 (2022) https://doi.org/10.1117/12.2632215

KEYWORDS: Scattering, Microscopes, Optical solitons, Solitons, Point spread functions, Liquid crystals, Laser scattering, Visualization, Objectives, Light scattering

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Proceedings Article | 3 October 2022 Presentation

Light-flow control by topological solitons in frustrated cholesteric liquid crystals (Conference Presentation)

Andrew Hess, Guilhem Poy, Jung-Shen Tai, Ivan Smalyukh, Slobodan Zumer

Proceedings Volume PC12207, PC1220707 (2022) https://doi.org/10.1117/12.2632187

KEYWORDS: Solitons, Liquid crystals, Electro optical modeling, Thin films, Telecommunications, Refractive index, Refraction, Physics, Photonics, Numerical simulations

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Proceedings Article | 2 September 2021 Presentation + Paper

Chirality-enhanced nonlinear optical response of frustrated liquid crystals

Guilhem Poy, Slobodan Zumer

Proceedings Volume 11807, 1180708 (2021) https://doi.org/10.1117/12.2593920

KEYWORDS: Liquid crystals, Solitons, Beam propagation method, Optical solitons, Anisotropy, Waveguide modes, Wave propagation, Optical simulations

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Proceedings Article | 1 March 2019 Paper

Theoretical study on optical properties of liquid crystalline Skyrmion lattice

Jun-ichi Fukuda, Slobodan Žumer

Proceedings Volume 10941, 1094108 (2019) https://doi.org/10.1117/12.2507520

KEYWORDS: Liquid crystals, Microscopes, Maxwell's equations, Dielectrics, Optical properties, Crystals, Liquids, Crystallography, Refractive index

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Proceedings Article | 13 October 2016 Presentation + Paper

Unveiling details of defect structures in chiral and achiral nematic droplets by improving simulations of optical images

Urban Mur, Simon Čopar, Miha Ravnik, Miha Čančula, Slobodan Žumer

Proceedings Volume 9940, 99400V (2016) https://doi.org/10.1117/12.2239585

KEYWORDS: Polarization, Optical simulations, Microscopy, Optical microscopy, Photomicroscopy, Liquid crystals, Phase shifts, Birefringence, Confocal microscopy, Polarizers

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Proceedings Article | 23 March 2016 Paper

Photonic crystals, light manipulation, and imaging in complex nematic structures

Miha Ravnik, Mitja Štimulak, Urban Mur, Miha Čančula, Simon Čopar, Slobodan Žumer

Proceedings Volume 9769, 97690B (2016) https://doi.org/10.1117/12.2214550

KEYWORDS: Photonic crystals, Liquid crystals, Finite-difference time-domain method, Birefringence, Numerical modeling, Polarization, Dielectrics, Geometrical optics, Photomicroscopy, Dielectric polarization, Phase shifts

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Proceedings Article | 5 October 2015 Open Access

Complex topological structures of frustrated liquid crystals with potential for optics and photonics (Presentation Recording)

Slobodan Žumer, Miha Čančula, Simon Čopar, Miha Ravnik

Proceedings Volume 9565, 95650W (2015) https://doi.org/10.1117/12.2190237

KEYWORDS: Geometrical optics, Photonics, Liquid crystals, Particles, Optical tweezers, Modeling, Finite-difference time-domain method, Beam propagation method, Video, Current controlled current source

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Proceedings Article | 11 March 2015 Open Access

Nematic topological line defects as optical waveguides

Miha Čančula, Miha Ravnik, Slobodan Žumer

Proceedings Volume 9384, 938402 (2015) https://doi.org/10.1117/12.2079096

KEYWORDS: Polarization, Liquid crystals, Finite-difference time-domain method, Modulation, Radio propagation, Light wave propagation, Waveguides, Birefringence, Beam propagation method, Maxwell's equations

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Proceedings Article | 7 October 2014 Open Access

Imaging and visualization of complex nematic fields

Slobodan Žumer, Miha Čančula, Simon Čopar, Miha Ravnik

Proceedings Volume 9182, 91820C (2014) https://doi.org/10.1117/12.2062468

KEYWORDS: Visualization, Particles, Microscopy, Polarization, Liquid crystals, Phase modulation, Luminescence, Confocal microscopy, Single sideband modulation, Multiphoton fluorescence microscopy

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Proceedings Article | 19 February 2014 Paper

Nematic colloidal tilings as photonic materials

M. Ravnik, J. Dontabhaktuni, M. Cancula, S. Zumer

Proceedings Volume 9004, 90040C (2014) https://doi.org/10.1117/12.2044586

KEYWORDS: Liquid crystals, Particles, Finite-difference time-domain method, Diffraction, Crystals, Photonic crystals, Geometrical optics, Polarization, Modeling, Distortion

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Proceedings Article | 11 October 2012 Paper

Complex field-induced nematic defect structures in Laguerre-Gaussian optical tweezers

Slobodan Žumer, Tine Porenta, Miha Ravnik

Proceedings Volume 8475, 84750V (2012) https://doi.org/10.1117/12.930450

KEYWORDS: Dielectric polarization, Optical tweezers, Liquid crystals, Particles, Polarization, Absorption, Dielectrics, Gaussian beams, Refractive index, Doping

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Proceedings Article | 11 February 2012 Paper

Simulation of a cholesteric blue phase in a thin cell: exotic defect structures and their response to an electric field

Jun-ichi Fukuda, Slobodan Zumer

Proceedings Volume 8279, 82790V (2012) https://doi.org/10.1117/12.912825

KEYWORDS: Liquid crystals, Computer simulations, Physics, Temperature metrology, Anisotropy, Dielectrics, Condensed matter, Systems modeling, Oxygen, Polymers

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Proceedings Article | 17 September 2011 Paper

Confined blue phases: trapping of colloidal particles in disclination superstructures

Slobodan Zumer, Miha Ravnik, Jun-ichi Fukuda

Proceedings Volume 8114, 811403 (2011) https://doi.org/10.1117/12.893160

KEYWORDS: Particles, Liquid crystals, Crystals, Photonic crystals, Molecular self-assembly, Liquids, Phase shift keying, Physics, Plasmonics, Polymers

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Proceedings Article | 18 August 2010 Paper

Blue phases as templates for 3D colloidal photonic crystals

Slobodan Zumer, Miha Ravnik, Tine Porenta, Gareth Alexander, Julia Yeomans

Proceedings Volume 7775, 77750H (2010) https://doi.org/10.1117/12.860718

KEYWORDS: Particles, Liquid crystals, Crystals, Photonic crystals, Liquids, Charged particle optics, 3D modeling, Double patterning technology, Molecular self-assembly, Polymers

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Proceedings Article | 21 August 2009 Paper

Colloidal structures and interactions in a nematic liquid crystal

Miha Skarabot, Miha Ravnik, Uros Tkalec, Matjaz Humar, Slobodan Zumer, Andriy Nych, Ulyana Ognysta, Vassili Nazarenko, Igor Musevic

Proceedings Volume 7414, 74140M (2009) https://doi.org/10.1117/12.827981

KEYWORDS: Particles, Liquid crystals, Crystals, Saturn, Optical tweezers, Nanoparticles, Photonic crystals, Diffraction, Molecular self-assembly, Molecules

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Proceedings Article | 29 August 2008 Paper

Optical manipulation of nematic colloids: wires, superstructures, and 2D crystals

Igor Muševič, Miha Škarabot, Miha Ravnik, Uroš Tkalec, Andriy Nych, Ulyana Ognysta, Vassili Nazarenko, Slobodan Žumer

Proceedings Volume 7038, 70381A (2008) https://doi.org/10.1117/12.796066

KEYWORDS: Particles, Liquid crystals, Crystals, Saturn, Optical tweezers, Molecules, Binary data, Optical manipulation, Silica, Optical spheres

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Proceedings Article | 29 January 2008 Paper

Nematic colloidal assemblies: towards photonic crystals and metamaterials

Slobodan Žumer, Igor Muševic, Miha Ravnik, Miha Škarabot, Igor Poberaj, Dušan Babič, Uroš Tkalec

Proceedings Volume 6911, 69110C (2008) https://doi.org/10.1117/12.769070

KEYWORDS: Particles, Crystals, Liquid crystals, Polarization, Photomicroscopy, Photonic crystals, Metamaterials, Visualization, Optical tweezers, Optical properties

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Proceedings Article | 4 May 2007 Paper

Self-assembly in nematic colloids

Igor Muševič, Miha Škarabot, Miha Ravnik, Uroš Tkalec, Igor Poberaj, Dušan Babič, Slobodan Žumer

Proceedings Volume 6587, 658704 (2007) https://doi.org/10.1117/12.724547

KEYWORDS: Particles, Liquid crystals, Crystals, Molecular self-assembly, Optical tweezers, Photonic crystals, Laser crystals, Silica, Liquid crystal lasers, Directed self assembly

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Proceedings Article | 15 September 2006 Paper

Laser trapping of low refractive index colloidal particles in a nematic liquid crystal

Igor Muševič, Miha Škarabot, Miha Ravnik, Igor Poberaj, Dušan Babič, Natan Osterman, Andriy Nych, Ulyana Ognysta, Vassili Nazarenko, Slobodan Žumer

Proceedings Volume 6332, 63320V (2006) https://doi.org/10.1117/12.680971

KEYWORDS: Particles, Liquid crystals, Optical trapping, Refractive index, Dielectric polarization, Optical tweezers, Dielectrics, Refraction, Distortion, Silica

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Proceedings Article | 1 February 1998 Paper

Deuteron NMR study of an 8CB liquid crystal confined to porous glass

A. Zidansek, S. Kralj, G. Lahajnar, Slobodan Zumer, Robert Blinc

Proceedings Volume 3318, (1998) https://doi.org/10.1117/12.299982

KEYWORDS: Liquid crystals, Glasses, Shape memory alloys, Tin, Surface properties, Spectroscopy, Matrices, Liquids, Chromium, Systems modeling

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Proceedings Article | 1 January 1998 Paper

Dimerization in trans-4-butyl-cyclohexane carboxylic acid and in its mixture with 12% cis-isomer observed via 1H- and 2H-NMR

Sofia Torgova, D. Abramic, Alfredo Strigazzi, Slobodan Zumer

Proceedings Volume 3319, (1998) https://doi.org/10.1117/12.301319

KEYWORDS: Hydrogen, Temperature metrology, Molecules, Microscopy, Liquid crystals, Infrared spectroscopy, Chemical analysis, Dysprosium, Physics, Thermodynamics

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Proceedings Article | 4 April 1994 Paper

Captured liquid crystalline order in polymer networks

Gregory Crawford, R. Polak, A. Scharkowski, Liang-Chy Chien, Slobodan Zumer, J. William Doane

Proceedings Volume 2175, (1994) https://doi.org/10.1117/12.172126

KEYWORDS: Polymers, Liquid crystals, Photopolymerization, Liquids, Microscopes, Optical microscopy, Microscopy, Spherical lenses, Crystals, Capillaries

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Proceedings Article | 1 April 1990 Paper

Director configurations and configuration transitions in PDLC material

John Erdmann, Slobodan Zumer, Brian Wagner, J. William Doane

Proceedings Volume 1257, (1990) https://doi.org/10.1117/12.19928

KEYWORDS: Polymers, Liquid crystals, Computer simulations, LCDs, Polarization, Polyurethane, Dielectrics, Temperature metrology, Spherical lenses, Crystals

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Showing 5 of 24 publications

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