1–20 of 25 hits
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    Optical tweezers with increased trapping efficiency

    Simpson, N.B. / Allen, L. / Padgett, M.J. | IEEE | 1997

    Transformation of Ginkgo biloba using optical tweezers and scissors

    Buer, C.S. / Gahagan, K.T. / Swartzlander, G.A. et al. | IEEE | 1997

    Manipulation of metallic particles in inverted optical tweezers

    O'Neil, A.T. / Padgett, M.J. | IEEE | 1999
    optical trap. These so called optical tweezers were invented over a decade ago, and have now found widespread use for biological purposes. Until ...

    Trapping and alignment of a microfibre using the discrete dipole approximation

    Nierninen, T.A. / Rubinsztein-Dunlop, H. / Heckenberg, N.R. | IEEE | 2001
    Optical tweezers can be used to trap, move, and rotate or align microscopic particles. Elongated particles are ideal candidates for ...

    Crystal structures within optical tweezers

    Leach, J. / Jordan, P. / Sinclair, G. et al. | IEEE | 2003
    We create microcrystal structures using holographic optical tweezers to position and hold objects in three dimensions. The structures can ...

    Current trend and recent progresses in optical trapping: from optical tweezers to single-particle spectroscopy and photonics force microscopy

    Chiou, A. | IEEE | 2003
    A brief overview of optical trapping is given followed by a few selected examples to highlight some recent progresses and the current trend ...

    Detection and identification of biological and nonbiological particles using optical tweezers and Raman spectroscopy sensors

    Changan Xie, / Yong-qing Li, | IEEE | 2003
    We report on an innovative optical sensor based on the combination of optical tweezers and Raman Spectroscopy that is highly sensitive and ...

    Simultaneous optical tweezing and laser-induced fluorescence of DAPI stained chromosomes

    Carruthers, A.E. / Lake, T.K. / Paterson, L. et al. | IEEE | 2003
    In this paper, we describe methods to increase the functionality of conventional optical tweezer techniques through the use of a 410 nm ...

    Advanced micromanipulation using Bessel beams

    McGloin, D. / Garces-Chavez, V. / Melville, H. et al. | IEEE | 2003
    Bessel beams can be used as optical tweezers, to trap and manipulate small particles, including biological specimens. Here we demonstrate ...

    Optical trapping and fluorescence detection of polystyrene beads in an all-optical-fiber platform

    Jensen-McMullin, C. / Lee, H.P. / Lyons, E.R. | IEEE | 2004
    We report the fabrication of an all-fiber, planar-design optical tweezers system used for trapping, excitation and fluorescence detection ...

    A rapid method for detection of recombinant proteins in single Pichia yeast cell with optical Raman-tweezers spectroscopy

    Changan Xie, / Yong Zhu, / Yong-qing Li, | IEEE | 2004
    Optical Raman-tweezers spectroscopy was used to detect recombinant proteins (somatolactin) produced in single Pichia yeast cells, in which ...

    Controlled spatial orientation of birefringent microscopic particles using optical trap with polarization grating

    Mohanty, S.K. / Divakar Rao, K. / Gupta, P.K. | IEEE | 2004
    We demonstrate that the use of polarization grating generated in a line optical tweezers can be a convenient approach for alignment of ...

    Trapping cavitation bubbles with a self-focused laser beam

    Jing Yong Ye, / Tse, C. / Guoqing Chang, et al. | IEEE | 2004
    contrast to conventional optical tweezers effect. ...

    Mapping of Three-Dimension Optical Force Field on Micro-particle in Optical Tweezers

    Ming-Tzo Wei, / Karmenyan, A. / Arthur Chiou, | IEEE | 2005
    tweezers to map the three-dimensional optical force field on these samples. For optical trapping with λ = 532nm, NA = 0.85, and total power ...

    White light supercontinuum optical tweezer

    Peng Li, / Kebin Shi, / Zhiwen Liu, | IEEE | 2005
    White light optical tweezer by using the supercontinuum generated from photonic crystal fiber is described. Optical scattering spectra of ...

    Laser tweezer controlled optical spatial filtering

    Birkbeck, A. L. / Zlatanovic, S. / Esener, S. C. | IEEE | 2005
    We present an optical spatial filtering device, integrated into a microfluidic system, and controlled by a laser tweezer. Optical spatial ...

    Integrated optical tweezers using arrayed waveguide grating

    Saida, T. / Shibata, T. / Ishii, M. et al. | IEEE | 2005
    We propose and fabricate planar waveguide type optical tweezers that use arrayed waveguide gratings as waveguide lenses. We confirm in ...

    Towards ultra-compact optical tweezers without external optics

    Kroner, A. / Rinaldi, F. / Kardosh, L. et al. | IEEE | 2005

    Multiple beam optical tweezers for spatially resolved Raman imaging

    Creely, C.M. / Singh, G.P. / Volpe, G. et al. | IEEE | 2005
    Multiple beam tweezers are demonstrated for Raman spectroscopy of living cells. Results are presented for time resolved Raman. Data for ...

    Pulsed optical tweezers for levitation and manipulation of stuck biological particles

    Ashok Ambardekar, A. / Yong-qing Li, | IEEE | 2005
    We report on optical levitation and manipulation of microscopic particles that are stuck on a glass surface with a pulsed optical tweezers ...