Recent Submissions

  • Photonic integrated circuits with bound states in the continuum: comment 

    Čtyroký, Jiří; Petráček, Jiří (Optica Publishing Group, 2022-06-21)
    We point out that the electro-optic modulation of the bound state in the continuum in a low-index dielectric-loaded slab LiNbO3 waveguide reported by Yu et al., [Optica 6, 1342 (2019)] is treated incorrectly. According to ...
  • Twisted Rainbow Light and Nature-Inspired Generation of Vector Vortex Beams 

    Bouchal, Petr; Bouchal, Zdeněk (Wiley-VCH GmbH, 2022-06-06)
    Twisted vector light beams (optical vortices) arise from a spiral modulation of the geometric (Pancharatnam-Berry) phase converting the light spin to the orbital angular momentum. The preferred geometric-phase elements ...
  • Advanced Microscopical Non-Invasive Examination of the Supposed Migrastatics for Impact on In Vitro Cell Migration 

    Šuráňová, Markéta; Zábranská, Magdaléna; Kolínková, Veronika; Muchová, Nikola; Jůzová, Veronika; Chmelík, Radim; Veselý, Pavel (European Conference of Oncology Pharmacy, 2022-07-02)
    Live H1299 lung carcinoma cells in vitro were exposed to selected drugs with a presumed antimigration activity that implies antimetastatic potential and time-lapse examined with Coherence Controlled Holography Microscopy ...
  • Cell type specificity of neurovascular coupling in cerebral cortex 

    Uhlířová, Hana; Klç, Kvlcm; Tian, Pfeifang; Thunemann, Martin; Desjardins, Michele; Saisan, Payam A.; Sakadžic, Sava; Ness, Torbjrn V; Mateo, Celine; Cheng, Qun; Weldy, Kimberly L.; Razoux, Florence; Vandenberghe, Matthieu; Cremonesi, Jonathan A; Ferri, Christopher GL; Nizar, Krystal; Sridhar, Vishnu B.; Steed, Tyler C.; Abashin, Maxim; Fainman, Yeshaiahu; Masliah, Eliezer; Djurovic, Srdjan; Andreassen, Ola A; Silva, Gabriel A.; Boas, David A.; Kleinfeld, David; Buxton, Richard B; Einevoll, Gaute T.; Dale, Anders M.; Devor, Anna (eLife Sciences Publications, 2016-05-31)
    Identification of the cellular players and molecular messengers that communicate neuronal activity to the vasculature driving cerebral hemodynamics is important for (1) the basic understanding of cerebrovascular regulation ...
  • Optical simulation of quantum mechanics on the Mobius strip, Klein's bottle and other manifolds, and Talbot effect 

    Bělín, Jakub; Tyc, Tomáš; Horsley, Simon A. R. (IOP Publishing, 2021-03-01)
    We analyse the evolution of the wavefunction of a quantum particle propagating on several compact manifolds, including the Klein bottle, Mobius strip and projective plane. We find analytically the stationary states and the ...
  • Lens stars and Platonic lenses 

    Bělín, Jakub; Courtial, Johannes; Tyc, Tomáš (Optical Society of America, 2021-12-06)
    Lens stars comprise identical ideal thin lenses arranged in a regular star shape centred on the common principal point. They satisfy the edge-imaging condition of transformation optics (TO) and are thus suitable as building ...
  • Phase of white light and its compatibility to the optical path 

    Bouchal, Petr; Chmelík, Radim; Bouchal, Zdeněk (Optical Society of America, 2021-03-12)
    The phase of monochromatic light directly relates to the optical path difference (OPD), but finding this connection for spectrally broadband light is challenging. Due to a missing concept of the compatibility between the ...
  • Computational image enhancement of multimode fibre-based holographic endo-microscopy: harnessing the muddy modes 

    Tučková, Tereza; Šiler, Martin; Flaes, Dirk E. Boonzajer; Jákl, Petr; Turtaev, Sergey; Krátký, Stanislav; Heintzmann, Rainer; Uhlířová, Hana; Čižmár, Tomáš (Optica Publishing Group, 2021-11-08)
    In imaging geometries, which employ wavefront-shaping to control the light transport through a multi-mode optical fibre (MMF), this terminal hair-thin optical component acts as a minimally invasive objective lens, enabling ...
  • Coherence gate manipulation for enhanced imaging through scattering media by non-ballistic light in partially coherent interferometric systems 

    Ďuriš, Miroslav; Chmelík, Radim (The Optical Society, 2021-09-15)
    Coherence gating is typically exploited for imaging through disordered media by least-scattered (ballistic) light. Ballistic light-based approaches produce clear images only when the proportion of ballistic to multiply ...
  • Single-Shot Three-Dimensional Orientation Imaging of Nanorods Using Spin to Orbital Angular Momentum Conversion 

    Fordey, Tomáš; Bouchal, Petr; Schovánek, Petr; Baránek, Michal; Bouchal, Zdeněk; Dvořák, Petr; Hrtoň, Martin; Rovenská, Katarína; Ligmajer, Filip; Chmelík, Radim; Šikola, Tomáš (American Chemical Society, 2021-08-25)
    The key information about any nanoscale system relates to the orientations and conformations of its parts. Unfortunately, these details are often hidden below the diffraction limit, and elaborate techniques must be used ...
  • Automated interpretation of time-lapse quantitative phase image by machine learning to study cellular dynamics during epithelial-mesenchymal transition 

    Štrbková, Lenka; Carson, Brittany B.; Vincent, Theresa; Veselý, Pavel; Chmelík, Radim (SPIE, 2020-08-31)
    Significance: Machine learning is increasingly being applied to the classification of microscopic data. In order to detect some complex and dynamic cellular processes, time-resolved live-cell imaging might be necessary. ...
  • Silicon waveguides with graphene: coupling of waveguide mode to surface plasmons 

    Čtyroký, Jiří; Petráček, Jiří; Kuzmiak, Vladimír; Kwiecien, Pavel; Richter, Ivan (IOP Publishing, 2020-08-18)
    Silicon waveguides with graphene layers have been recently intensively studied for their potential as fast and low-power electro-optic modulators with small footprints. In this paper we show that in the optical wavelength ...
  • High-Resolution Quantitative Phase Imaging of Plasmonic Metasurfaces with Sensitivity down to a Single Nanoantenna 

    Bouchal, Petr; Dvořák, Petr; Babocký, Jiří; Bouchal, Zdeněk; Ligmajer, Filip; Hrtoň, Martin; Křápek, Vlastimil; Faßbender, Alexander; Linden, Stefan; Chmelík, Radim; Šikola, Tomáš (American Chemical Society, 2019-01-02)
    Optical metasurfaces have emerged as a new generation of building blocks for multifunctional optics. Design and realization of metasurface elements place everincreasing demands on accurate assessment of phase alterations ...
  • The adhesion of normal human dermal fibroblasts to the cyclopropylamine plasma polymers studied by holographic microscopy 

    Štrbková, Lenka; Manakhov, Anton; Zajíčková, Lenka; Stoica, Adrian; Veselý, Pavel; Chmelík, Radim (Elsevier B.V., 2016-06-15)
    The understanding of cell–surface interactions plays an important role for the biomaterials development and bioengineering. Although it is already known that amine groups increase the cell adhesion and proliferation, the ...
  • Chk1 inhibition significantly potentiates activity of nucleoside analogs in TP53-mutated B-lymphoid cells 

    Zemanová, Jana; Hylse, Ondřej; Čolláková, Jana; Veselý, Pavel; Oltová, Alexandra; Borský, Marek; Zápražná, Kristína; Kašpárková, Marie; Janovská, Pavlína; Verner, Jan; Kohoutek, Jiří; Dzimková, Marta; Bryja, Vítězslav; Jašková, Zuzana; Brychtová, Yvona; Paruch, Kamil; Trbušek, Martin (Impact Journals, 2016-08-19)
    Treatment options for TP53-mutated lymphoid tumors are very limited. In experimental models, TP53-mutated lymphomas were sensitive to direct inhibition of checkpoint kinase 1 (Chk1), a pivotal regulator of replication. We ...
  • Neurovascular Network Explorer 2.0: A Database of 2-Photon Single Vessel Diameter Measurements from Mouse SI Cortexin Response To Optogenetic Stimulation 

    Uhlířová, Hana; Peifang, Tiam; Kilic, Kivilcim; Thunemann, Martin; Sridhar, Vishnu B.; Bartsch, Hauke; Dale, Anders M.; Devor, Anna; Saisan, Payam A. (Frontiers, 2017-02-01)
    Here, we present a novel database containing 2-photon data from our recently published experimental study (Uhlirova et al., 2016a) and a second generation of our GUI-based software engine that we call NNE 2.0. The data, ...
  • Automated alignment method for coherence-controlled holographic microscope 

    Dostál, Zbyněk; Slabý, Tomáš; Kvasnica, Lukáš; Lošťák, Martin; Křížová, Aneta; Chmelík, Radim (SPIE, 2015-10-28)
    Coherence-controlled holographic microscope (CCHM) was developed particularly for quantitative phase imaging and measurement of live cell dynamics, which is the proper subject of digital holographic microscopy (DHM). CCHM ...
  • Dual Targeting of BRAF and mTOR Signaling in Melanoma Cells with Pyridinyl Imidazole Compounds 

    Palušová, Veronika; Renzová, Tereza; Verlande, Amandine; Vaclová, Tereza; Medková, Michaela; Cetlová, Linda; Sedláčková, Miroslava; Hříbková, Hana; Slaninová, Iva; Krutá, Miriama; Rotrekl, Vladimír; Uhlířová, Hana; Křížová, Aneta; Chmelík, Radim; Veselý, Pavel; Krafčíková, Michaela; Trantírek, Lukáš; Schink, Kay Oliver; Uldrijan, Stjepan (MDPI, 2020-06-01)
    BRAF inhibitors can delay the progression of metastatic melanoma, but resistance usually emerges, leading to relapse. Drugs simultaneously targeting two or more pathways essential for cancer growth could slow or prevent ...
  • Phasor analysis of NADH FLIM identifies pharmacological disruptions to mitochondrial metabolic processes in the rodent cerebral cortex 

    Gómez, Carlos A.; Sutin, Jason; Wu, Weicheng; Fu, Buyin; Uhlířová, Hana; Devor, Anna; Boas, David A.; Sakadžic, Sava; Yaseen, Mohammad Abbas (PLOS, 2018-03-21)
    Investigating cerebral metabolism in vivo at a microscopic level is essential for understanding brain function and its pathological alterations. The intricate signaling and metabolic dynamics between neurons, glia, and ...
  • Quantitative phase imaging through scattering media by means of coherence-controlled holographic microscope 

    Kollárová, Věra; Čolláková, Jana; Dostál, Zbyněk; Veselý, Pavel; Chmelík, Radim (SPIE, 2015-11-01)
    A coherence-controlled holographic microscope (CCHM) enables quantitative phase imaging with coherent as well as incoherent illumination. The low spatially coherent light induces a coherence gating effect, which makes ...

View more