Dr. Vítězslav Karásek Profile

Dr. Vítězslav Karásek

Student at Institute of Scientific Instruments of the CAS vvi

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Author

Publications (29)

Proceedings Article | 5 December 2014 Paper

Particles in motion driven by optical binding

Vítězslav Karásek, Pavel Zemánek

Proceedings Volume 9441, 944103 (2014) https://doi.org/10.1117/12.2176044

KEYWORDS: Particles, Optical binding, Bessel beams, Scattering, Gaussian beams, Spherical lenses, Code division multiplexing, Light scattering, Laser scattering, Silica

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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

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 | 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 | 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 | 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

Optical sorting due to optical binding

Vítězslav Karásek, Pavel Zemánek

Proceedings Volume 8810, 881027 (2013) https://doi.org/10.1117/12.2023330

KEYWORDS: Particles, Optical binding, Bessel beams, Spherical lenses, Code division multiplexing, Computer simulations, Optical spheres, Optical sorting, Optical tweezers, Refractive index

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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

Optical binding of unlike particles

Vítězslav Karásek, Pavel Zemánek

Proceedings Volume 8697, 86970T (2012) https://doi.org/10.1117/12.2009226

KEYWORDS: Particles, Optical binding, Light scattering, Bessel beams, Optical tweezers, Optical spheres, Spherical lenses, Laser scattering, Code division multiplexing, Scattering

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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 | 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 | 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

Optimization of an object shape to achieve extremal axial optical force in a standing wave

J. Trojek, V. Karásek, P. Zemánek

Proceedings Volume 7400, 74000L (2009) https://doi.org/10.1117/12.826035

KEYWORDS: Refractive index, Optical spheres, Thin film coatings, Modulation, Code division multiplexing, Particles, Light scattering, Spherical lenses, Optical tweezers, Silica

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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 | 24 November 2008 Paper

Optimization of axial optical force acting on an array of overlapping spheres

J. Trojek, V. Karásek, P. Zemánek

Proceedings Volume 7141, 714114 (2008) https://doi.org/10.1117/12.822385

KEYWORDS: Optical spheres, Thin film coatings, Spherical lenses, Refractive index, Modulation, Optical tweezers, Particles, Physics, Biology, Electromagnetic scattering theory

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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 | 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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Proceedings Article | 12 April 2007 Paper

What is it optical binding and how to study this phenomena

Vítězlav Karásek, Pavel Zemánek

Proceedings Volume 6609, 660909 (2007) https://doi.org/10.1117/12.739376

KEYWORDS: Particles, Bessel beams, Optical binding, Code division multiplexing, Gaussian beams, Polarization, Optical spheres, Wavelets, Light scattering, Scattering

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Proceedings Article | 11 September 2006 Paper

Optical binding in non-diffracting beams

Vítězslav Karásek, Tomáš Čižmár, Pavel Zemánek

Proceedings Volume 6326, 632608 (2006) https://doi.org/10.1117/12.680612

KEYWORDS: Bessel beams, Optical binding, Gaussian beams, Particles, Nondiffracting beams, Polarization, Code division multiplexing, Axicons, Bessel functions, Beam splitters

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Proceedings Article | 20 April 2006 Paper

Multistability of optically bound objects

Vítězslav Karásek, Tomás Čižmár, Pavel Zemánek

Proceedings Volume 6195, 619509 (2006) https://doi.org/10.1117/12.662675

KEYWORDS: Optical spheres, Particles, Code division multiplexing, Optical binding, Gaussian beams, Polarization, Light scattering, Dielectrics, Convolution, Water

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Proceedings Article | 12 October 2005 Paper

Behavior of microparticles in laser interference field

Martin Šiler, Vítězslav Karásek, Tomáš Čižmár, Pavel Zemánek

Proceedings Volume 5958, 595834 (2005) https://doi.org/10.1117/12.623043

KEYWORDS: Particles, Refractive index, Spherical lenses, Optical spheres, Silica, Scattering, Water, Geometrical optics, Optical tweezers, Optical properties

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Proceedings Article | 12 October 2005 Paper

Optical binding in theory

Vítězslav Karásek, Pavel Zemánek

Proceedings Volume 5958, 59580N (2005) https://doi.org/10.1117/12.623052

KEYWORDS: Optical spheres, Particles, Optical binding, Code division multiplexing, Convolution, Refractive index, Light scattering, Matrices, Water, Fourier transforms

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Proceedings Article | 27 August 2005 Paper

Behavior of submicron colloids in two-dimensional optical lattice

Pavel Zemanek, Martin Siler, Vitezslav Karasek, Tomas Cizmar

Proceedings Volume 5930, 59301N (2005) https://doi.org/10.1117/12.615743

KEYWORDS: Optical spheres, Particles, Spherical lenses, Optical tweezers, Refractive index, Chemical species, Laser beam propagation, Motion controllers, Optical vortices, Crystals

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Proceedings Article | 27 August 2005 Paper

Optical binding of micron-size spheres

Vitezslav Karasek, Pavel Zemanek

Proceedings Volume 5930, 593029 (2005) https://doi.org/10.1117/12.615739

KEYWORDS: Optical spheres, Particles, Optical binding, Code division multiplexing, Convolution, Refractive index, Optical tweezers, Light scattering, Matrices, Water

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Proceedings Article | 18 October 2004 Paper

Behavior of colloidal microparticles in a planar 3-beam interference field

Pavel Zemanek, Vitezslav Karasek, Mojmir Sery

Proceedings Volume 5514, (2004) https://doi.org/10.1117/12.557183

KEYWORDS: Particles, Refractive index, Spherical lenses, Geometrical optics, Scattering, Optical spheres, Optical tweezers, Polarization, Liquids, Laser scattering

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Showing 5 of 29 publications

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