Dr. Oto Brzobohatý Profile

Dr. Oto Brzobohatý

at Institute of Scientific Instruments of the CAS vvi

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Author

Publications (36)

Proceedings Article | 1 August 2021 Presentation + Paper

Optically bound matter levitated in vacuum

Vojtěch Svak, Jana Flajšmanová, Lukáš Chvátal, Martin Šiler, Alexandr Jonáš, Jan Ježek, Stephen Simpson, Pavel Zemánek, Oto Brzobohatý

Proceedings Volume 11798, 117980Q (2021) https://doi.org/10.1117/12.2596308

KEYWORDS: Optical binding, Optical tweezers, Optical spheres, Oscillators, Modulation, Thermography, Spatial light modulators, Atmospheric particles, Optomechanical design

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Proceedings Article | 24 February 2020 Presentation + Paper

Vacuum optomechanics of optically levitated objects: determination of nonlinear properties of the optical trap

Martin Siler, Jana Flajsmanova, Vojtech Svak, Petr Jakl, Stephen Simpson, Radim Filip, Oto Brzobohaty, Pavel Zemanek

Proceedings Volume 11297, 112970I (2020) https://doi.org/10.1117/12.2546009

KEYWORDS: Oscillators, Optical tweezers, Nanoparticles, Optomechanical design, Laser scattering, Scattering, Quantum physics, Stochastic processes

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Proceedings Article | 24 February 2020 Presentation + Paper

Non-conservative instabilities in optical vacuum traps

V. Svak, Y. Arita, S. Simpson, O. Brzobohatý, M. Šiler, P. Jákl, J. Kaňka, P. Zemánek, K. Dholakia

Proceedings Volume 11297, 112970F (2020) https://doi.org/10.1117/12.2545948

KEYWORDS: Particles, Optical spheres, Polarization, Gaussian beams, Thermography, Optical tweezers, Spherical lenses, Free space optics, Astronomical imaging, Physics

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Proceedings Article | 18 December 2018 Paper

Motion of optically levitated nanoparticle in nonlinear regime

Jana Damková, Martin Šiler, Petr Jákl, Radim Filip, Oto Brzobohatý, Pavel Zemánek

Proceedings Volume 10976, 109760G (2018) https://doi.org/10.1117/12.2518115

KEYWORDS: Nonlinear optics, Data acquisition, Quantum physics, Aspheric lenses, Silicon

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Proceedings Article | 18 December 2018 Paper

Anomalous shift of the most probable position of a particle in an unstable optically created potential

Martin Šiler, Luca Ornigotti, Oto Brzobohatý, Petr Jákl, Artem Ryabov, Viktor Holubec, Pavel Zemánek, Radim Filip

Proceedings Volume 10976, 109760E (2018) https://doi.org/10.1117/12.2518123

KEYWORDS: Particles, Stochastic processes, Statistical analysis, Numerical analysis, Physics, Holography, Optical tweezers, Computing systems

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Proceedings Article | 24 April 2018 Paper

Motion of optically bound particles in tractor beam

Jana Damková, Lukáš Chvátal, Jan Ježek, Jindřich Oulehla, Oto Brzobohatý, Pavel Zemánek

Proceedings Volume 10712, 107120Y (2018) https://doi.org/10.1117/12.2319363

KEYWORDS: Particles, Optical binding, Holography, Video microscopy, Light scattering, Mie scattering, Holograms, Gaussian beams

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Proceedings Article | 24 April 2018 Paper

Underdamped and overdamped dynamics of objects in nonlinear optical potentials

Oto Brzobohaty, Stephen Simpson, Martin Siler, Petr Jakl, Jana Damkova, Vojtech Svak, Alejandro Arzola, Karen Volke-Sepulveda, Radim Filip, Pavel Zemanek

Proceedings Volume 10712, 107120Z (2018) https://doi.org/10.1117/12.2319285

KEYWORDS: Particles, Thermography, Optical tweezers, Nonlinear dynamics, Quantum optics, Control systems, Thermodynamics, Stochastic processes, Cadmium, Nonlinear optics

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Proceedings Article | 23 December 2016 Paper

Optical binding of particle pairs in retro-reflected beam geometry

Jana Damková, Lukáš Chvátal, Oto Brzobohatý, Pavel Zemánek

Proceedings Volume 10142, 101420Q (2016) https://doi.org/10.1117/12.2263360

KEYWORDS: Optical binding, Particles, Holography, Video microscopy, Optical spheres, Holograms, Mie scattering, Polarization, Gaussian beams, Wave propagation

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Proceedings Article | 16 September 2016 Presentation + Paper

Characterizing particle pairs optically bound in "tractor beam"

Jana Damková, Lukáš Chvátal, Oto Brzobohatý, Vojtěch Svak, Martin Šiler, Stephen Simpson, Pavel Zemánek

Proceedings Volume 9922, 99221Q (2016) https://doi.org/10.1117/12.2237572

KEYWORDS: Optical binding, Gaussian beams, Particles, Optical spheres, Holograms, Holography, Video microscopy, Polarization, Wave propagation, Mirrors

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Proceedings Article | 25 August 2015 Presentation + Paper

Rotational behavior of oblate golden nanoparticles in circularly polarized dual beam optical trap

Martin Šiler, Lukáš Chvátal, Oto Brzobohatý, Alejandro Arzola, Petr Jákl, Stephen Simpson, Pavel Zemánek

Proceedings Volume 9548, 95481E (2015) https://doi.org/10.1117/12.2188159

KEYWORDS: Particles, Optical tweezers, Gaussian beams, Nanoparticles, Beam propagation method, Radio propagation, Wave propagation, Laser scattering, Scattering, Dielectrics

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Proceedings Article | 6 January 2015 Paper

Rotation of dielectric disks in focused vortex beams

Lukáš Chvátal, Alejandro Arzola, Oto Brzobohatý, Petr Jákl, Pavel Zemánek

Proceedings Volume 9450, 94501U (2015) https://doi.org/10.1117/12.2070472

KEYWORDS: Particles, Electroluminescent displays, Dielectrics, Objectives, Spherical lenses, Water, Refractive index, Optical tweezers, Optical vortices, Electromagnetism

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Proceedings Article | 5 December 2014 Paper

Behaviour of a non-spherical metal nanoparticle in an optical trap

Oto Brzobohatý, Martin Šiler, Lukáš Chvátal, Vítězslav Karásek, Pavel Zemánek

Proceedings Volume 9441, 944102 (2014) https://doi.org/10.1117/12.2176013

KEYWORDS: Nanoparticles, Gold, Particles, Optical tweezers, Optical spheres, Plasmons, Scattering, Metals, Polarization, Absorption

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Proceedings Article | 5 December 2014 Paper

Liquid crystal emulsion micro-droplet WGM resonators

Jan Ježek, Zdeněk Pilát, Oto Brzobohatý, Alexandr Jonáš, Mehdi Aas, Alper Kiraz, Pavel Zemánek

Proceedings Volume 9441, 944108 (2014) https://doi.org/10.1117/12.2176025

KEYWORDS: Liquid crystals, Optical tweezers, Microfluidics, Optical fibers, Liquids, Active optics, Channel projecting optics, Fiber lasers, Crystals, Resonators

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Proceedings Article | 5 December 2014 Paper

Tractor beam in micro-scale

O. Brzobohatý, V. Karásek, M. Šiler, L. Chvátal, T. Čižmár, P. Zemánek

Proceedings Volume 9441, 944104 (2014) https://doi.org/10.1117/12.2176010

KEYWORDS: Particles, Gaussian beams, Beam propagation method, Polarization, Optical spheres, Laser beam propagation, Spherical lenses, Mirrors, Dielectrics, Solar sails

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Proceedings Article | 16 September 2014 Paper

Micro-particles self-arrangement in shapeable counter-propagating beams

Oto Brzobohatý, Jan Kaňka, Lukáš Chvátal, Pavel Zemánek, Daniel Ou-Yang

Proceedings Volume 9164, 91642L (2014) https://doi.org/10.1117/12.2060294

KEYWORDS: Particles, Waveguides, Gaussian beams, Optical tweezers, Beam shaping, Cameras, Lenses, Spatial light modulators, Telescopes, Mirrors

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Proceedings Article | 16 September 2014 Paper

Anomalous behavior of a three-dimensional, optically trapped, super-paramagnetic particle

Martin Siler, Petr Jákl, Oto Brzobohatý, Jan Jezek, Pavel Zemánek

Proceedings Volume 9164, 916436 (2014) https://doi.org/10.1117/12.2062148

KEYWORDS: Particles, Optical tweezers, Magnetism, Refractive index, Iron, Oxides, Polymers, Atmospheric particles, Microscopes, Water

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Proceedings Article | 4 March 2014 Paper

Droplet resonator based optofluidic microlasers

Alper Kiraz, Alexandr Jonáš, Mehdi Aas, Yasin Karadag, Oto Brzobohatý, Jan Ježek, Zdeněk Pilát, Pavel Zemánek, Suman Anand, David McGloin

Proceedings Volume 8960, 896015 (2014) https://doi.org/10.1117/12.2041447

KEYWORDS: Optical tweezers, Liquids, Resonators, Laser resonators, Venus, Fluorescent proteins, Aerosols, Water, Active optics, Refractive index

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Proceedings Article | 25 February 2014 Paper

Single-beam trapping using laser beams focused by low and high numerical apertures: angular spectrum approach

Martin Siler, Oto Brzobohaty, Petr Jakl, Vitezslav Karasek, Pavel Zemanek

Proceedings Volume 8999, 899904 (2014) https://doi.org/10.1117/12.2039094

KEYWORDS: Particles, Objectives, Optical tweezers, Refractive index, Spherical lenses, Nanoparticles, Electromagnetic scattering theory, Microscopes, Diffraction, Beam propagation method

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Proceedings Article | 25 February 2014 Paper

Optical trapping of non-spherical plasmonic nanoparticles

Oto Brzobohatý, Martin Šiler, Lukáš Chvátal, Vítězslav Karásek, Pavel Zemánek

Proceedings Volume 8999, 899909 (2014) https://doi.org/10.1117/12.2041199

KEYWORDS: Nanoparticles, Gold, Particles, Optical tweezers, Optical spheres, Plasmons, Scattering, Plasmonics, Absorption, Metals

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Proceedings Article | 12 September 2013 Paper

Experimental demonstration of optical transport, sorting and self arrangement using a "tractor beam"

O. Brzobohatý, V. Karásek, M. Šiler, L. Chvátal, T. Čižmár, P. Zemánek

Proceedings Volume 8810, 881003 (2013) https://doi.org/10.1117/12.2023955

KEYWORDS: Particles, Polarization, Beam propagation method, Gaussian beams, Photons, Optical spheres, Adaptive optics, Optical tweezers, Mirrors, Dielectrics

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Proceedings Article | 12 September 2013 Paper

Tunable optofluidic microlasers based on optically stretched emulsion droplets

Mehdi Aas, Alexandr Jonáš, Alper Kiraz, Oto Brzobohatvý, Jan Ježek, Zdeněk Pilát, Pavel Zemánek

Proceedings Volume 8810, 88101Y (2013) https://doi.org/10.1117/12.2024252

KEYWORDS: Optical fibers, Liquids, Optical tweezers, Water, Refractive index, Microfluidics, Active optics, Temperature metrology, Microscopes, Thermal effects

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Proceedings Article | 5 March 2013 Paper

Single laser beam based passive optical sorter

O. Brzobohatý, V. Karasek, M. Šiler, L. Chvatal, T. Cizmar, P. Zemanek

Proceedings Volume 8637, 863715 (2013) https://doi.org/10.1117/12.2004370

KEYWORDS: Particles, Polarization, Gaussian beams, Mirrors, Photons, Optical spheres, Scattering, Beam propagation method, Wave propagation, Switching

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Proceedings Article | 18 December 2012 Paper

Dynamic size tuning of multidimensional optically bound matter

Oto Brzobohatý, Vítězslav Karásek, Martin Šiler, Pavel Zemánek

Proceedings Volume 8697, 86970U (2012) https://doi.org/10.1117/12.2001101

KEYWORDS: Particles, Gaussian beams, Spatial light modulators, Bessel beams, Phase shift keying, Spiral phase plates, Optical binding, Optical tweezers, Spatial filters, Beam propagation method

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Proceedings Article | 10 October 2012 Paper

Optical manipulation of airborne particles using flexible dual-beam trap

Oto Brzobohatý, Martin Šiler, Pavel Zemánek

Proceedings Volume 8458, 84582C (2012) https://doi.org/10.1117/12.929751

KEYWORDS: Particles, Spatial light modulators, Optical tweezers, Atmospheric particles, Gaussian beams, Optical manipulation, Liquids, Computing systems, Human-machine interfaces, Solids

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Proceedings Article | 10 October 2012 Paper

Rotation of microscopic discs by the angular momentum of light

Alejandro Arzola, Martin Šiler, Oto Brzobohatý, Petr Jákl, Pavel Zemánek

Proceedings Volume 8458, 84582U (2012) https://doi.org/10.1117/12.930029

KEYWORDS: Particles, Polarization, Photodiodes, Spatial light modulators, Objectives, Beam propagation method, Spherical lenses, Video microscopy, Signal detection, Image processing

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Proceedings Article | 11 October 2011 Paper

Advanced optical manipulation with tailored counter-propagating laser beams

Oto Brzobohatý, Tomas Čižmár, Vitezslav Karásek, Pavel Zemánek

Proceedings Volume 8306, 83061D (2011) https://doi.org/10.1117/12.911992

KEYWORDS: Particles, Gaussian beams, Spatial light modulators, Optical tweezers, Computing systems, Bessel beams, Optical manipulation, Human-machine interfaces, Microfluidics, Beam shaping

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Proceedings Article | 9 September 2011 Paper

Demonstration of multi-dimensional optical binding in counter-propagating laser beams with variable beam properties

Oto Brzobohaty, Vítezslav Karásek, Tomáš Čižmár, Pavel Zemánek

Proceedings Volume 8097, 80970U (2011) https://doi.org/10.1117/12.893624

KEYWORDS: Particles, Gaussian beams, Bessel beams, Optical binding, Spatial light modulators, Phase shift keying, Optical tweezers, Spatial filters, Beam propagation method, CCD cameras

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Proceedings Article | 8 September 2011 Paper

Modelling of optical trapping

Martin Šiler, Vítězslav Karásek, Oto Brzobohatý, Tomáš Čižmár, Pavel Zemánek

Proceedings Volume 8007, 80071C (2011) https://doi.org/10.1117/12.905438

KEYWORDS: Particles, Bessel beams, Optical tweezers, Axicons, Electromagnetism, Radio propagation, Gaussian beams, Refractive index, Geometrical optics, Modeling

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Proceedings Article | 15 December 2010 Paper

Flexible dual-beam geometry for advanced optical micromanipulation experiments

Oto Brzobohatý, Tomáš Čižmár, Kishan Dholakia, Pavel Zemánek

Proceedings Volume 7746, 77461C (2010) https://doi.org/10.1117/12.882124

KEYWORDS: Particles, Spatial light modulators, Gaussian beams, Phase shift keying, Optical tweezers, Computing systems, Visualization, Microfluidics, Human-machine interfaces, Spatial filters

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Proceedings Article | 28 August 2010 Paper

Formation of one-dimensional optically bound structures of polystyrene particles near the surface

Oto Brzobohatý, Vítězslav Karásek, Pavel Zemánek, Tomáš Čižmár, Kishan Dholakia

Proceedings Volume 7762, 776212 (2010) https://doi.org/10.1117/12.860364

KEYWORDS: Particles, Mirrors, Optical binding, Optical tweezers, Gaussian beams, Code division multiplexing, Optical testing, Astronomical imaging, Glasses, Objectives

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Proceedings Article | 20 August 2009 Paper

Particles collective effects in counter-propagating Bessel beams

Pavel Zemánek, Oto Brzobohatý, Vítìzslav Karásek, Jan Trojek

Proceedings Volume 7400, 74001K (2009) https://doi.org/10.1117/12.826236

KEYWORDS: Particles, Bessel beams, Optical binding, Polarization, Nanoparticles, Optical tweezers, Optical spheres, Beam propagation method, Axicons, Wave propagation

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Proceedings Article | 20 November 2008 Paper

One-dimensional long-range self-arranged optically bound structures

Oto Brzobohatý, Vítìzslav Karàsek, Tomáš Čižmár, Pavel Zemánek, Veneranda Garcés-Chávez, Kishan Dholakia

Proceedings Volume 7141, 714113 (2008) https://doi.org/10.1117/12.822384

KEYWORDS: Particles, Bessel beams, CCD cameras, Optical tweezers, Wavelets, Modulation, Axicons, Code division multiplexing, Optical binding, Beam propagation method

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Proceedings Article | 20 November 2008 Paper

Quasi-Bessel beam generated by oblate-tip axicon

Oto Brzobohatý, Tomáš Cižmár, Pavel Zemánek

Proceedings Volume 7141, 714126 (2008) https://doi.org/10.1117/12.822425

KEYWORDS: Axicons, Beam propagation method, Beam shaping, Modulation, Telescopes, Wave propagation, Gaussian beams, Diffraction, Optical testing, Bessel beams

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Proceedings Article | 18 November 2008 Paper

Optically bound chain of microparticles

Pavel Zemánek, Oto Brzobohaty, Vítezslav Karásek, Tomás Cizmár, Veneranda Garcés-Chávez, Kishan Dholakia

Proceedings Volume 7138, 713825 (2008) https://doi.org/10.1117/12.818076

KEYWORDS: Particles, Bessel beams, Beam propagation method, Optical binding, Optical tweezers, Modulation, Code division multiplexing, Wavelets, Axicons, CCD cameras

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Proceedings Article | 12 September 2008 Paper

Laser beam interference and its applications in optical micromanipulation

Tomáš Čižmár, Pavel Zemánek, Martin Šiler, Veneranda Garcés-Chávez, Kishan Dholakia, Věra Kollárová, Zdeněk Bouchal

Proceedings Volume 7062, 70620U (2008) https://doi.org/10.1117/12.794523

KEYWORDS: Particles, Bessel beams, Optical tweezers, Gaussian beams, Wave propagation, Mirrors, Axicons, Nondiffracting beams, Laser scattering, Scattering

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Proceedings Article | 9 September 2008 Paper

Stability and dynamics of self-arranged structures in longitudinal optical binding

Oto Brzobohatý, Vítezslav Karásek, Tomáš Čižmár, Pavel Zemánek, Veneranda Garcés-Chávez, Kishan Dholakia

Proceedings Volume 7038, 70380O (2008) https://doi.org/10.1117/12.794681

KEYWORDS: Particles, Bessel beams, Optical binding, Beam propagation method, Optical tweezers, Wavelets, Modulation, Axicons, CCD cameras, Code division multiplexing

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Showing 5 of 36 publications

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