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An optical tweezer for complex plasmas
American Institute of Physics | 2015|particles can be trapped in a laser beam comparable to optical tweezers known from colloidal suspensions. The trapping mechanism is discussed and ... -
An optical tweezer in asymmetrical vortex Bessel-Gaussian beams
American Institute of Physics | 2016|We study an optical micromanipulation that comprises trapping, rotating, and transporting 5-μm polystyrene microbeads
...Schlagwörter: Photonics, Plasmonics, Photovoltaics, Lasers, Optical Materials and Phenomena -
Single beam optical vortex tweezers with tunable orbital angular momentum
American Institute of Physics | 2014|We propose a single beam method for generating optical vortices with tunable optical angular momentum without altering the intensity
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Near-field enhanced optical tweezers utilizing femtosecond-laser nanostructured substrates
American Institute of Physics | 2015|We present experimental evidence of plasmonic-enhanced optical tweezers, of polystyrene beads in deionized water in the vicinity of
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A tunable line optical tweezers instrument with nanometer spatial resolution
American Institute of Physics | 2014|We describe a simple scanning-line optical tweezers instrument for measuring pair interactions between micrometer-sized colloidal
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Dynamic measurements and simulations of airborne picolitre-droplet coalescence in holographic optical tweezers
Freier ZugriffAmerican Institute of Physics | 2016|We report studies of the coalescence of pairs of picolitre aerosol droplets manipulated with holographic optical tweezers, probing the
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Quantitative characterization for dielectrophoretic behavior of biological cells using optical tweezers
American Institute of Physics | 2014|-electrode device, followed by direct measurement of DEP forces using optical tweezers. DEP behaviors of viable and nonviable yeast cells are ... -
Automatic real time evaluation of red blood cell elasticity by optical tweezers
American Institute of Physics | 2015|Optical tweezers have been used to trap, manipulate, and measure individual cell properties. In this work, we show that the association
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Measurements of the force fields within an acoustic standing wave using holographic optical tweezers
Freier ZugriffAmerican Institute of Physics | 2014|optical traps generated with holographic optical tweezers. A micro-sphere, which is optically trapped in three dimensions, can be moved through ... -
Crosstalk elimination in the detection of dual-beam optical tweezers by spatial filtering
American Institute of Physics | 2014|In dual-beam optical tweezers, the accuracy of position and force measurements is often compromised by crosstalk between the two
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Accurate measurement of force and displacement with optical tweezers using DNA molecules as metrology standards
American Institute of Physics | 2014|Optical tweezers facilitate measurement of piconewton-level forces and nanometer-level displacements and have broad applications in
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Direct measurement of the dielectrophoresis forces acting on micro-objects using optical tweezers and a simple microfluidic chip
American Institute of Physics | 2014|We constructed a reliable frequency-dependent dielectrophoretic (DEP) force measurement system based on optical tweezers and a
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Single-cell bacterium identification with a SOI optical microcavity
American Institute of Physics | 2016|Photonic crystals and microcavities act as on-chip nano-optical tweezers for identification and manipulation of biological objects
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Optical fiber antenna generating spiral beam shapes
American Institute of Physics | 2014|the orbital angular momentum, l = ±1, 2, carried by the output beam. Such beam can be very useful for optical tweezer, metal ... -
Direct optical monitoring of flow generated by bacterial flagellar rotation
American Institute of Physics | 2014|trapped next to each other in a dual beam optical tweezer. In this configuration, the particle serves as a sensitive detector where the fast ... -
Suppression of photothermal convection of microparticles in two dimensional nanoplasmonic optical lattice
American Institute of Physics | 2016|Photothermal convection has been a major obstacle for stable particle trapping in plasmonic optical tweezer at high optical power. Here
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Optical tweezing electrophoresis of single biotinylated colloidal particles for avidin concentration measurement
American Institute of Physics | 2015|We present a novel approach for label-free concentration measurement of a specific protein in a solution. The technique combines optical
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Study for optical manipulation of a surfactant-covered droplet using lattice Boltzmann method
Freier ZugriffAmerican Institute of Physics | 2014|tweezers as an external source. Two optical forces attracted a single droplet from the center to both sides. This resulted in an elliptical shape ... -
An in-vacuo optical levitation trap for high-intensity laser interaction experiments with isolated microtargets
Freier ZugriffAmerican Institute of Physics | 2015|working distances than commonly used by optical tweezer systems. A high speed (10 kHz) optical imaging and signal ... -
Independent trapping and manipulation of microparticles using dexterous acoustic tweezers
Freier ZugriffAmerican Institute of Physics | 2014|spheres. These capabilities bring the dexterity of acoustic tweezers substantially closer to that of optical tweezers. ... -
Adhesion of nanoparticles to polymer brushes studied with the ghost tweezers method
American Institute of Physics | 2015|simulations and an original “ghost tweezers” method that emulates lab experiments performed with optical or magnetic tweezers. The ghost tweezers ... -
A feasibility study of in vivo applications of single beam acoustic tweezers
American Institute of Physics | 2014|medicine. Several devices, including optical tweezers, atomic force microscope, micro-pipette aspirator, and standing surface wave type acoustic ... -
Comparison of plasmonic structures in terms of temperature increase under equivalent maximal trapping forces
American Institute of Physics | 2016|Plasmonic optical trapping is a new approach that can potentially overcome some of the limitations associated with conventional optical
...Schlagwörter: Photonics, Plasmonics, Photovoltaics, Lasers, Optical Materials and Phenomena -
Temperature dependence of equilibrium separation and lattice parameters of nematic boojum-colloids
American Institute of Physics | 2015|tweezer and measured the temperature dependence of the lattice parameters. We observe a structural transition in boojum colloidal crystal across ...Schlagwörter: STRUCTURAL, MECHANICAL, OPTICAL, AND THERMODYNAMIC PROPERTIES OF ADVANCED MATERIALS -
Fabrication of ring assemblies of nematic colloids and their electric response
American Institute of Physics | 2016|of the nematic field around the particles. Using optical tweezers, we have built two-dimensional colloidal assemblies with low packing ...Schlagwörter: STRUCTURAL, MECHANICAL, OPTICAL, AND THERMODYNAMIC PROPERTIES OF ADVANCED MATERIALS -
Nature of acoustic nonlinear radiation stress
American Institute of Physics | 2014|a wide range of industrial and biomedical active ultrasonic uses including jet engines, acoustic tweezers, cyanobacteria propulsion ...Schlagwörter: STRUCTURAL, MECHANICAL, OPTICAL, AND THERMODYNAMIC PROPERTIES OF ADVANCED MATERIALS -
Optically and elastically assembled plasmonic nanoantennae for spatially resolved characterization of chemical composition in soft matter systems using surface enhanced spontaneous and stimulated Raman scattering
American Institute of Physics | 2014|these particles. As the particles are reassembled and spatially translated by computer-controlled laser tweezers, we probe chemical composition ...Schlagwörter: Structural, Mechanical, Thermodynamic, and Optical Properties of Condensed Matter -
On-chip generation and control of the vortex beam
American Institute of Physics | 2016|momentum devices with multiple degrees of optical freedom, which can be used for optical tweezers, micronano imaging, information processing, and ... -
Optofluidic taming of a colloidal dimer with a silicon nanocavity
American Institute of Physics | 2014|We report here the optical trapping of a heterogeneous colloidal dimer above a photonic crystal nanocavity used as an on-chip optical
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The effect of boundary adaptivity on hexagonal ordering and bistability in circularly confined quasi hard discs
American Institute of Physics | 2014|employs an adaptive circular boundary, defined experimentally using holographic optical tweezers. We show that deformation of this boundary allows ... -
Laser-driven gel microtool for single-cell manipulation based on temperature control with a photothermal conversion material
American Institute of Physics | 2016|using the cell-adhesion property of the gel. The microtool is heated by trapping it with optical tweezers to make its surface cell-adhesive ... -
Probing interfacial dynamics and mechanics using submerged particle microrheology. II. Experiment
American Institute of Physics | 2014|water are trapped with an optical tweezer near the free surface of water, allowing the response functions of the particles to be measured as a ... -
Non-additivity of pair interactions in charged colloids
American Institute of Physics | 2016|like-charged particles, of species 1 and 2, with blinking optical tweezers. The measured forces are consistent with a Yukawa pair potential but ... -
Impurity-tuned non-equilibrium phase transition in a bacterial carpet
American Institute of Physics | 2016|investigated through a position-sensitive-diode implemented optical tweezers-microsphere assay. The collective flow increases abruptly as we increase ... -
Collective flow dynamics across a bacterial carpet: Understanding the forces generated
American Institute of Physics | 2014|. Collective flow dynamics across the bacterial carpets are probed with optical tweezers-microsphere assay. Around the center of a uniform bacterial ... -
Low-frequency dielectrophoretic response of a single particle in aqueous suspensions
Freier ZugriffAmerican Institute of Physics | 2016|We use optical tweezers-based dielectrophoresis (DEP) force spectroscopy to investigate the roles of the electrical double layer in the
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One-dimensional photonic crystal fishbone hybrid nanocavity with nanoposts
American Institute of Physics | 2014|environmental perturbations. Furthermore, capabilities of our proposed design in serving as optical sensors and tweezers for bio-sized nanoparticles are ... -
A self-filling microfluidic device for noninvasive and time-resolved single red blood cell experiments
Freier ZugriffAmerican Institute of Physics | 2016|oxygenation cycle of single functional RBCs by Raman microscopy without the limitations typically observed in optical tweezers based methods. Using ... -
Simple method to measure and analyze the fluctuations of a small particle in biopolymer solutions
American Institute of Physics | 2015|We developed a simple method to investigate the motion of a small particle in biopolymer solutions. Using optical tweezers with low
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Force-extension curves for broken-rod macromolecules: Dramatic effects of different probing methods for two and three rods
American Institute of Physics | 2015|atomic force microscopy and laser optical or magnetic tweezers apparatus stretching these rod-coil macromolecules are discussed. In addition, the ... -
Measuring kinetic energy changes in the mesoscale with low acquisition rates
American Institute of Physics | 2014|mesoscale, realized with a Brownian particle trapped with optical tweezers. Our estimation of the kinetic energy change allows to access to the full ... -
An optimized software framework for real-time, high-throughput tracking of spherical beads
Freier ZugriffAmerican Institute of Physics | 2014|Numerous biophysical techniques such as magnetic tweezers, flow stretching assays, or tethered particle motion assays rely on the
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Stochastic interactions of two Brownian hard spheres in the presence of depletants
American Institute of Physics | 2014|solutions. The hard spheres are hypothetically trapped by optical tweezers and allowed for random motion near the trapped positions. The ... -
Cell-cell proximity effects in multi-cell electroporation
Freier ZugriffAmerican Institute of Physics | 2014|. Experimentally, we used optical tweezers to accurately position two cells in a custom fluidic electroporation device and measured the threshold field for ... -
Probing the folded state and mechanical unfolding pathways of T4 lysozyme using all-atom and coarse-grained molecular simulation
American Institute of Physics | 2015|the WT and the CP variant observed in an optical tweezers study, the coarse-grained simulations based on the Go model or a modified elastic ... -
Identification and design of novel polymer-based mechanical transducers: A nano-structural model for thin film indentation
American Institute of Physics | 2014|(AFMs) or optical tweezers due to their probe sizes and sophisticated feedback mechanisms. An alternative transducer design relying on the ...
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