optical trapping
Adaptive optics in an optical trapping system for enhanced lateral trap stiffness at depth
... the optical trapping force, F, is characterized according to Hooke’s law, F = − kx, with x being the displacement of the particle from ...the optical trapping force relates to the intensity ...
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A minimally invasive optical trapping system to understand cellular interactions at onset of an immune response
... the optical trap and at which point the trapping force is equated to the viscous drag force determined using Stokes’ Law where F = −6πηaV and η the viscosity of the surrounding medium, a the diameter of the ...
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Optical trapping using cascade conical refraction of light
... Abstract: Cascade conical refraction occurs when a beam of light travels through two or more biaxial crystals arranged in series. The output beam can be altered by varying the relative azimuthal orientation of the two ...
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Optical trapping of ultrasmooth gold nanoparticles in liquid and air
... Optical manipulation of gold nanoparticles has emerged as an exciting avenue for studies in nanothermometry, cell poration, optical binding, and optomechanics. How- ever, conventional gold nanoparticles ...
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Optical trapping with superfocused high M2 laser diode beam
... diameter optical fiber with high- precision direct laser ...demonstrate optical trapping of 5-6 μm rat blood red cells in a water-heparin ...to optical trapping and manipulation of ...
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Plasmonic effects upon optical trapping of metal nanoparticles
... The presented models help to understand the basic principles of optical trapping. However, they do not explain every aspect of it. Especially optical trapping of metal nanoparticles as ...
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Macro optical trapping for sample confinement in light sheet microscopy
... imaging. Optical trapping involves generating forces via use of an optical gradient and scattering forces to trap microscopic ...of optical tweezers and light sheet microscopy has been ...
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Optical trapping with "on demand" two photon luminescence using Cr:LiSAF laser with optically addressed saturable Bragg reflector
... and/or optical tweezing of polymer microspheres consists of a diode-pumped Cr:LiSAF laser with optically addressed SBR for a fast switching between CW and ML modes of operation and a homemade optical ...
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Optical trapping: optical interferometric metrology and nanophotonics
... The optical power in each of the beam or trap can be controlled by rotating the ...the optical table, to reach the input beam port on the microscope ...this trapping system, one of the beam ...
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Applications of spatial light modulators in Raman spectroscopy
... for optical trapping[21]. LC-SLM cost is usually linked to optical throughput and pixel number, with the highest resolution and best performing models priced the 20-30k GBP ...
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Low-Power Far Field Nanonewton Optical Force Trapping Based on Far-Field Nanofocusing Plasmonic Lens
... nanonewton optical trapping force of subwavelength particles by using a far-field nanofocusing circular plasmonic ...strong optical trapping force can be ...plasmonic optical tweezers, ...
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Development of a graded index microlens based fiber optical trap and its characterization using principal component analysis
... two-dimensional optical trap. All optical components of the fiber trapping probe are commercially ...based trapping system with a long working ...the trapping probe does not inhibit the ...
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Analytical Model of Particle Motion in Optical Interference Landscapes and Laminar Flow
... in optical landscapes and laminar ...of optical trapping, optical potential energy landscapes, and ...create optical potential energy landscapes. Without optical trapping, ...
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Enhanced optical manipulation of cells using anti reflection coated microparticles
... punctate calcein AM staining or by fluorescence of propidium iodide within the nuclear region. We found >90% cell viability between the untreated cells and those treated with AR coated or polystyrene microparticles ...
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Single Cell Isolation Using Optical Tweezers
... 1064-nm wavelength optical trapping of Escherichia coli cells using on-chip single cell cultivation system. Quantum Dot-Based Thermal Spectroscopy and Imaging of Optically Trapped 628[r] ...
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Optical micromanipulation using dispersion compensated and phase shaped ultrashort pulsed lasers
... For our studies using Bessel beams, we built an upright axicon system, with the beam incident on the sample plane from above. The axicon system used the same 12fs 780nm, 80MHz laser source and pulse shaper as the ...
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Conical diffraction of linearly polarised light controls the angular position of a microscopic object
... many optical trapping techniques were used to manipulate microscopic ...an optical trap is formed using a tightly focused Gaussian laser beam in an optical microscope with high numerical ...
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Trapping of gold nanoparticle and polystyrene beads by dynamic optical tweezers
... as optical tweezers, it refers to three-dimensional optical trap generated from a focused laser beam passing through a high numerical aperture lens by a specific ...6]. Optical forces produced from ...
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Design of a high-performance optical tweezer for nanoparticle trapping
... Integrated optical nanotweezers offer a novel paradigm for optical trapping, as their ability to confine light at the nanoscale leads to extremely high gradient ...
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Surface enhanced Raman scattering measurement from a lipid bilayer encapsulating a single decahedral nanoparticle mediated by an optical trap
... the optical trapping laser ...the optical trapping of metallic Rayleigh particles and, using a similar approach to Ashkin et ...stable trapping of Rayleigh ...the optical trap ...
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