Search Results - "Heckenberg, N R"

Optical alignment and spinning of laser-trapped microscopic particles by Friese, M. E. J, Nieminen, T. A, Heckenberg, N. R, Rubinsztein-Dunlop, H

“…Light-induced rotation of absorbing microscopic particles by transfer of angular momentum from light to the material raises the possibility of optically driven…”
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Dynamical tunnelling of ultracold atoms by Rubinsztein-Dunlop, H, Rolston, S. L, Heckenberg, N. R, Helmerson, K, Phillips, W. D, McKenzie, C, Hensinger, W. K, Upcroft, B, Häffner, H, Milburn, G. J, Browaeys, A

“…The divergence of quantum and classical descriptions of particle motion is clearly apparent in quantum tunnelling between two regions of classically stable…”
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Optical shield: measuring viscosity of turbid fluids using optical tweezers by Lee, M P, Curran, A, Gibson, G M, Tassieri, M, Heckenberg, N R, Padgett, M J

“…The viscosity of a fluid can be measured by tracking the motion of a suspended micron-sized particle trapped by optical tweezers. However, when the particle…”
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Calculation of the T-matrix: general considerations and application of the point-matching method by Nieminen, T.A, Rubinsztein-Dunlop, H, Heckenberg, N.R

“…The T-matrix method is widely used for the calculation of scattering by particles of sizes on the order of the illuminating wavelength. Although the extended…”
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Multipole expansion of strongly focussed laser beams by Nieminen, T.A, Rubinsztein-Dunlop, H, Heckenberg, N.R

“…Multipole expansion of an incident radiation field—that is, representation of the fields as sums of vector spherical wavefunctions—is essential for theoretical…”
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Optical measurement of microscopic torques by Nieminen, T. A., Heckenberg, N. R., Rubinsztein-dunlop, H.

“…In recent years there has been an explosive development of interest in the measurement of forces at the microscopic level, such as within living cells, as well…”
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Numerical modelling of optical trapping by Nieminen, T.A., Rubinsztein-Dunlop, H., Heckenberg, N.R., Bishop, A.I.

“…Optical trapping is a widely used technique, with many important applications in biology and metrology. Complete modelling of trapping requires calculation of…”
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Optical Particle Trapping with Higher-order Doughnut Beams Produced Using High Efficiency Computer Generated Holograms by He, H., Heckenberg, N.R., Rubinsztein-Dunlop, H.

“…Laser beams containing higher-order phase singularities can be produced with high efficiency computer generated holograms made with very simple equipment…”
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Calculation and optical measurement of laser trapping forces on non-spherical particles by Nieminen, T.A., Rubinsztein-Dunlop, H., Heckenberg, N.R.

“…Optical trapping, where microscopic particles are trapped and manipulated by light is a powerful and widespread technique, with the single-beam gradient trap…”
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Phase-transition-like properties of double-beam optical tweezers by Stilgoe, A B, Heckenberg, N R, Nieminen, T A, Rubinsztein-Dunlop, H

“…We report on double-beam optical tweezers that undergo previously unknown phase-transition-like behavior resulting in the formation of more optical traps than…”
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Optically Written Waveguide in an Atomic Vapor by Truscott, A. G., Friese, M. E. J., Heckenberg, N. R., Rubinsztein-Dunlop, H.

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Versatile two-dimensional potentials for ultra-cold atoms by Schnelle, S K, van Ooijen, E D, Davis, M J, Heckenberg, N R, Rubinsztein-Dunlop, H

“…We propose and investigate a technique for generating smooth two-dimensional potentials for ultra-cold atoms based on the rapid scanning of a far-detuned laser…”
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Micromanipulation of chloroplasts using optical tweezers by Bayoudh, S., Mehta, M., Rubinsztein‐Dunlop, H., Heckenberg, N. R., Critchley, C.

“…This paper describes experiments using optical tweezers to probe chloroplast arrangement, shape and consistency in cells of living leaf tissue and in…”
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Effects associated with bubble formation in optical trapping by Berry, D. W., Heckenberg, N. R., Rubinszteindunlop, H.

“…Heating of absorbing particles in a liquid medium by an optical trapping beam may lead to bubble formation. Powerful currents, which we identify as due to…”
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Orientation of biological cells using plane-polarized gaussian beam optical tweezers by Bayoudh, S., Nieminen, T. A., Heckenberg, N. R., Rubinsztein-dunlop, H.

“…Optical tweezers are widely used for the manipulation of cells and their internal structures. However, the degree of manipulation possible is limited by poor…”
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Laser cooling of a solid from ambient temperature by Rayner, A., Friese, M. E. J., Truscott, A. G., Heckenberg, N. R., Rubinsztein-dunlop, H.

“…A 250 μm diameter fibre of ytterbium-doped ZBLAN was cooled by 13 K from room temperature. The cooling was performed in vacuum to limit the thermal load on the…”
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Topological charge and angular momentum of light beams carrying optical vortices by Soskin, M. S., Gorshkov, V. N., Vasnetsov, M. V., Malos, J. T., Heckenberg, N. R.

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Direct observation of transfer of angular momentum to absorptive particles from a laser beam with a phase singularity by He, H, Friese, ME, Heckenberg, NR, Rubinsztein-Dunlop, H

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Optical angular-momentum transfer to trapped absorbing particles by Friese, ME, Enger, J, Rubinsztein-Dunlop, H, Heckenberg, NR

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erratum Optical alignment and spinning of laser-trapped microscopic particles by Friese, M. E. J, Nieminen, T. A, Heckenberg, N. R, Rubinsztein-Dunlop, H

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