Dr. Timo A. Nieminen Profile

Dr. Timo A. Nieminen

QEII Research Fellow at Univ of Queensland

SPIE Involvement:

Author

Publications (58)

Proceedings Article | 4 October 2024 Presentation

Tracking active matter particles with DeepTrack

Patrick Grant, Timo Nieminen, Alexander Stilgoe, Halina Rubinsztein-Dunlop

Proceedings Volume PC13118, PC131180A (2024) https://doi.org/10.1117/12.3027939

KEYWORDS: Particles, Engineering, Data modeling, Video microscopy, Systems modeling, Software development, Optical lithography, Motion models, Motion detection, Machine learning

Read Abstract +

Proceedings Article | 30 September 2024 Presentation

Sculpted light and all optically driven micro and nanomachines

Halina Rubinsztein-Dunlop, Itia Favre-Bulle, Mark Watson, Patrick Grant, Timo Nieminen, Alexander Stilgoe

Proceedings Volume PC13126, PC131260F (2024) https://doi.org/10.1117/12.3030461

KEYWORDS: Molecular machines, Quantum light, Quantum systems, Quantum optics applications, Quantum communications, Complex systems, Quantum technology applications, Quantum optics, Quantum machines, Quantum fields

Read Abstract +

Proceedings Article | 13 March 2024 Presentation

Twisted light in nano and microsystems

Halina Rubinsztein-Dunlop, Mark Watson, Itia Favre-Bulle, Timo Nieminen, Alexander Stilgoe

Proceedings Volume PC12901, PC1290103 (2024) https://doi.org/10.1117/12.3011185

Read Abstract +

Proceedings Article | 5 October 2023 Presentation

Optical tweezers in mechanobiology

Halina Rubinsztein-Dunlop, Mark Watson, Itia Favre-Bulle, Patrick Grant, Timo Nieminen, Alexander Stilgoe

Proceedings Volume PC12649, PC126491J (2023) https://doi.org/10.1117/12.2682972

KEYWORDS: Optical tweezers, Quantum systems, Quantum processes, Physics, Biomechanics, Quantum fields, Quantum engineering, Proteins, Physiology, Optical tracking

Read Abstract +

Proceedings Article | 5 October 2023 Presentation

Sensing inertia with rotational optical tweezers

Mark Watson, Alexander Stilgoe, Itia Favre-Bulle, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume PC12649, PC126491A (2023) https://doi.org/10.1117/12.2677236

KEYWORDS: Optical tweezers, Particles, Polarization, Angular velocity, Ultrafast phenomena, Thermography, Sensing systems, Scattered light, Microspheres, Microfluidics

Read Abstract +

Proceedings Article | 5 October 2023 Presentation

Structured light for studies of active matter

Halina Rubinsztein-Dunlop, Declan Armstrong, Mark Watson, Patrick Grant, Timo Nieminen, Itia Favre-Bulle, Alexander Stilgoe

Proceedings Volume PC12663, PC1266309 (2023) https://doi.org/10.1117/12.2678853

KEYWORDS: Structured light, Spatial light modulators, Detection theory, Bacteria, Thermodynamics, Robots, Photopolymerization, Optical tweezers, Optical aberrations, Motion analysis

Read Abstract +

Proceedings Article | 17 March 2023 Presentation

Aberration corrected structured light for in-house fabrication of functional micro-structures

Declan Armstrong, Halina Rubinsztein-Dunlop, Timo Nieminen, Alexander Stilgoe

Proceedings Volume PC12436, PC124360R (2023) https://doi.org/10.1117/12.2657795

KEYWORDS: Structured light, Two photon polymerization, Optical tweezers, Polymers, Optical benches, Optical aberrations, Nonlinear optics, Motion analysis, Holography, Diffraction

Read Abstract +

Proceedings Article | 3 October 2022 Presentation

Optically driven nano and micromachines in optical tweezers (Conference Presentation)

Halina Rubinsztein-Dunlop, Declan Armstrong, Mark Watson, Itia Favre-Bulle, Timo Nieminen, Alexander Stilgoe

Proceedings Volume PC12212, PC1221202 (2022) https://doi.org/10.1117/12.2639995

KEYWORDS: Optical tweezers, Two photon polymerization, Spatial light modulators, Wavefronts, Ultrafast phenomena, Structured light, Printing, Photopolymerization, Nanofabrication, Microfluidics

Read Abstract +

Proceedings Article | 1 August 2021 Presentation

Transfer of transverse optical angular momentum to optically trapped birefringent particles

Alexander Stilgoe, Halina Rubinsztein-Dunlop, Timo Nieminen

Proceedings Volume 11798, 117981C (2021) https://doi.org/10.1117/12.2596205

KEYWORDS: Particles, Light scattering, Scattering, Optical tweezers, Laser scattering, Laser beam propagation, Wave propagation, Spherical lenses, Polarization, Crystals

Read Abstract +

Proceedings Article | 17 September 2020 Presentation + Paper

Predicting particle properties in optical traps with machine learning

Lachlan H. W. Hamilton, Lauren McQueen, Oscar Smee, Timo Nieminen, Halina Rubinsztein-Dunlop, Isaac C. D. Lenton

Proceedings Volume 11469, 114691Z (2020) https://doi.org/10.1117/12.2581341

Read Abstract +

Proceedings Article | 20 August 2020 Presentation

Precision force measurements with optical tweezers

Declan Armstrong, Alexander Stilgoe, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 11463, 114630L (2020) https://doi.org/10.1117/12.2571139

KEYWORDS: Optical tweezers, Calibration, Optical testing, Precision measurement, Particles, 3D metrology, Photodetectors, Sensors, Statistical analysis, Optical calibration

Read Abstract +

Proceedings Article | 20 August 2020 Presentation

Illuminating the complex behaviour of particles in optical traps with machine learning

Isaac Lenton, Giovanni Volpe, Alexander Stilgoe, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 11469, 1146917 (2020) https://doi.org/10.1117/12.2566942

KEYWORDS: Particles, Optical tweezers, Machine learning, Computer simulations, Numerical simulations, Numerical analysis, Modeling, Artificial neural networks

Read Abstract +

Proceedings Article | 9 March 2020 Presentation

Orientation of swimming cells with annular beam optical tweezers (Conference Presentation)

Declan Armstrong, Isaac Lenton, Halina Rubinsztein-Dunlop, Timo Nieminen, Alexander Stilgoe, Anatoli Kashchuk

Proceedings Volume 11297, 112970A (2020) https://doi.org/10.1117/12.2554512

Read Abstract +

Proceedings Article | 24 February 2020 Presentation + Paper

Understanding particle trajectories by mapping optical force vortices

Isaac C. Lenton, Alex Stilgoe, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 11297, 112970K (2020) https://doi.org/10.1117/12.2550418

KEYWORDS: Optical tweezers, Optical vortices, Scattering, Laser scattering, Spiral phase plates, Refractive index, Thermal effects, Optical manipulation

Read Abstract +

Proceedings Article | 7 September 2018 Paper

Optical tweezers toolbox: full dynamics simulations for particles of all sizes

Isaac C. Lenton, Ann A. Bui, Timo Nieminen, Alexander Stilgoe, Halina Rubinsztein-Dunlop

Proceedings Volume 10723, 107232B (2018) https://doi.org/10.1117/12.2324120

KEYWORDS: Particles, Optical tweezers, Optical simulations, Geometrical optics, Spherical lenses, Finite-difference time-domain method, Motion models, Scattering, Modeling, Laser scattering

Read Abstract +

Proceedings Article | 7 September 2018 Paper

Measuring the motility and drag forces acting on biological particles using optical tweezers

Isaac C. Lenton, Declan Armstrong, Jackson Calvert-Lane, Timo Nieminen, Alexander Stilgoe, Halina Rubinsztein-Dunlop

Proceedings Volume 10723, 107232C (2018) https://doi.org/10.1117/12.2324117

KEYWORDS: Particles, Optical tweezers, Beam shaping, Spatial light modulators, Calibration, Imaging systems, Digital micromirror devices, Optical testing, Microscopes, Organisms

Read Abstract +

Proceedings Article | 14 March 2018 Presentation

Sculptured light and switching for complex systems (Conference Presentation)

Alexander Stilgoe, Halina Rubinsztein-Dunlop, Timo Nieminen, Anatolii Kashchuk

Proceedings Volume 10549, 105491C (2018) https://doi.org/10.1117/12.2292771

KEYWORDS: Structured light, Optical tweezers, Beam shaping, Optical switching, Microsystems, Particles, Switching, Complex systems, Signal processing, Modulation

Read Abstract +

Proceedings Article | 25 September 2017 Presentation

High-speed position and force measurements in optical tweezers (Conference Presentation)

Anatolii Kashchuk, Alexander Stilgoe, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 10347, 1034717 (2017) https://doi.org/10.1117/12.2274673

KEYWORDS: Sensors, Optical testing, Optical tweezers, Photodetectors, Optical tracking, Linear filtering, Laser applications, Atomic force microscopy, Particles, Photodiodes

Read Abstract +

Proceedings Article | 25 September 2017 Presentation

Absolute temperature measurements in optical tweezers by synchronized position and force measurement (Conference Presentation)

Anatolii Kashchuk, Alexander Stilgoe, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 10347, 103471U (2017) https://doi.org/10.1117/12.2274659

KEYWORDS: Temperature metrology, Optical tweezers, Optical testing, Particles, Optical calibration, Calibration, Nanoparticles, Bacteria, Optical tracking, CMOS cameras

Read Abstract +

Proceedings Article | 10 November 2016 Presentation

Measurements of particle-wall interaction forces using simultaneous position and force detection (Conference Presentation)

Anatolii Kashchuk, Ann A. Bui, Alexander Stilgoe, David Carberry, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 9922, 99221C (2016) https://doi.org/10.1117/12.2236419

KEYWORDS: Particles, Optical tweezers, Biology, Micromachining, Motion analysis, Motion measurement, Light scattering, Spherical lenses, Polymethylmethacrylate, Optical micromanipulation

Read Abstract +

Proceedings Article | 5 October 2015 Presentation

Mapping of independent force and position measurements for calibration of non-Hookean optical traps (Presentation Recording)

Ann Bui, Alexander Stilgoe, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 9548, 95480X (2015) https://doi.org/10.1117/12.2186721

KEYWORDS: Calibration, Particles, Optical tweezers, Optical calibration, Cameras, 3D metrology, Sensors, Associative arrays, Video, Optical micromanipulation

Read Abstract +

Proceedings Article | 5 October 2015 Presentation

Hydrodynamics of micro-objects near curved surfaces (Presentation Recording)

Shu Zhang, David Carberry, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 9548, 95481C (2015) https://doi.org/10.1117/12.2190312

KEYWORDS: Particles, Optical tweezers, Calibration, Video processing, Video, Optical micromanipulation, Current controlled current source

Read Abstract +

Proceedings Article | 16 September 2014 Paper

Optical trapping of isolated mammalian chromosomes

Nima Khatibzadeh, Alexander Stilgoe, Ann A. Bui, Yesenia Rocha, Gladys Cruz, Timo Nieminen, Halina Rubinsztein-Dunlop, Michael Berns

Proceedings Volume 9164, 91642I (2014) https://doi.org/10.1117/12.2064367

KEYWORDS: Optical tweezers, Spindles, Objectives, Microscopes, Continuous wave operation, Ytterbium, Calibration, Medical laser equipment, Proteins, Motion estimation

Read Abstract +

Proceedings Article | 16 September 2014 Paper

Viscoelasticity measurements inside liposomes

Shu Zhang, Lachlan Gibson, Daryl Preece, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 9164, 91642O (2014) https://doi.org/10.1117/12.2060938

KEYWORDS: Particles, Microfluidics, Optical tweezers, Optical spheres, Polarization, Physics, Cell biology, Optical manipulation, Bragg cells, Systems modeling

Read Abstract +

Proceedings Article | 16 September 2014 Paper

Optical tweezers escape forces

Ann A. Bui, Alexander Stilgoe, Nima Khatibzadeh, Timo Nieminen, Halina Rubinsztein-Dunlop, Michael Berns

Proceedings Volume 9164, 916413 (2014) https://doi.org/10.1117/12.2062805

KEYWORDS: Particles, Optical tweezers, Calibration, Optical spheres, Optical calibration, Laser optics, Cameras, Fiber lasers, Photonics, Microscopes

Read Abstract +

Proceedings Article | 12 September 2013 Paper

Optical tweezers for precise control of micro-bubble arrays: in situ temperature measurement

Tristan Burns, Daryl Preece, Timo Niemenen, Haliina Rubinsztein-Dunlop

Proceedings Volume 8810, 88102B (2013) https://doi.org/10.1117/12.2024254

KEYWORDS: Cavitation, Particles, Optical tweezers, Temperature metrology, Control systems, Spatial light modulators, Convection, Carbon, Modulation, Microfluidics

Read Abstract +

Proceedings Article | 10 October 2012 Paper

Directing growth cones of optic axons growing with laser scissors and laser tweezers

Tao Wu, Timo Nieminen, Samarendra Mohanty, Jill Miotke, Ronald Meyer, Halina Rubinsztein-Dunlop, Michael Berns

Proceedings Volume 8458, 84580P (2012) https://doi.org/10.1117/12.930411

KEYWORDS: Axons, Optical tweezers, Particles, Microfluidics, Laser irradiation, Fiber lasers, Cones, Nerve, Laser induced damage, Mirrors

Read Abstract +

Proceedings Article | 10 October 2012 Paper

Computational modelling of optical tweezers with many degrees of freedom using dynamic simulation: cylinders, nanowires, and multiple particles

Yongyin Cao, Alexander Stilgoe, Martin Stroet, Vincent Loke, Lixue Chen, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 8458, 84582V (2012) https://doi.org/10.1117/12.930137

KEYWORDS: Particles, Optical tweezers, Systems modeling, Polarization, Refractive index, Optical spheres, Multiple scattering, Particle systems, Gaussian beams, Nanowires

Read Abstract +

Proceedings Article | 10 October 2012 Paper

Optical tweezers toolbox: better, faster, cheaper; choose all three

Alexander Stilgoe, Michael Mallon, Yongyin Cao, Timo Nieminen, Halina Rubinsztein-Dunlop

Proceedings Volume 8458, 84582E (2012) https://doi.org/10.1117/12.929365

KEYWORDS: Optical tweezers, Particles, MATLAB, Matrices, Scattering, Spherical lenses, Electromagnetic scattering, Light scattering, C++, Physics

Read Abstract +

Proceedings Article | 9 September 2011 Paper

'Wiggler-Waggler': towards optical measurements of the complex shear modulus

James Bennett, Emmanuel Brousse, Bastian Baudisch, Daryl Preece, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 8097, 809715 (2011) https://doi.org/10.1117/12.894969

KEYWORDS: Particles, Polarization, Bragg cells, Optical tweezers, Optical spheres, Motion measurement, Microfluidics, Calibration, Optical testing, Optical micromanipulation

Read Abstract +

Proceedings Article | 17 February 2011 Paper

Measurement of angular momentum flux in optical tweezers

Halina Rubinsztein-Dunlop, Theodor Asavei, Daryl Preece, Alexander Stilgoe, Norman Heckenberg, Timo Nieminen

Proceedings Volume 7950, 79500I (2011) https://doi.org/10.1117/12.886221

KEYWORDS: Holograms, Optical tweezers, Polarization, Objectives, Spatial light modulators, Particles, Optical testing, Glasses, Geometrical optics, Wavefronts

Read Abstract +

Proceedings Article | 28 August 2010 Paper

Approximate and exact modeling of optical trapping

Timo Nieminen, Alexander Stilgoe, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 7762, 77622V (2010) https://doi.org/10.1117/12.861880

KEYWORDS: Particles, Geometrical optics, Scattering, Optical tweezers, Optical spheres, Rayleigh scattering, Laser scattering, Reflection, Spherical lenses, Mie scattering

Read Abstract +

Proceedings Article | 28 August 2010 Paper

Use of shape induced birefringence for rotation in optical tweezers

Theodor Asavei, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 7762, 77621C (2010) https://doi.org/10.1117/12.861793

KEYWORDS: Optical spheres, Birefringence, Optical tweezers, Particles, Molecules, Computer aided design, Molecular biology, Microscopes, Spherical lenses, Two photon polymerization

Read Abstract +

Proceedings Article | 29 August 2009 Paper

Optimization of optically-driven micromachines

Vincent L. Loke, Theodor Asavei, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 7400, 74001Z (2009) https://doi.org/10.1117/12.828423

KEYWORDS: Scattering, Laser scattering, Particles, Optical tweezers, Modeling, Optimization (mathematics), Near field, Beam shaping, Light scattering, Polarization

Read Abstract +

Proceedings Article | 20 August 2009 Paper

Optical paddle-wheel

Theodor Asavei, Vincent L. Loke, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 7400, 740020 (2009) https://doi.org/10.1117/12.828426

KEYWORDS: Microfluidics, Photopolymerization, Microscopes, Physics, Optical tweezers, Ultraviolet radiation, Microfabrication, Optical spheres, Continuous wave operation, Objectives

Read Abstract +

SPIE Journal Paper | 1 July 2009 Open Access

Refractometry of melanocyte cell nuclei using optical scatter images recorded by digital Fourier microscopy

Katrina Seet, Timo Nieminen, Andrei Zyvagin

JBO, Vol. 14, Issue 04, 044031, (July 2009) https://doi.org/10.1117/12.10.1117/1.3207141

KEYWORDS: Refractive index, Design for manufacturing, Scattering, Microscopy, Holograms, Refractometry, Biomedical optics, Fourier transforms, Light scattering, Charge-coupled devices

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 7 February 2009 Paper

Vaterite twist: microrheology with AOM controlled optical tweezers

Maren Funk, Simon Parkin, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 7227, 72270D (2009) https://doi.org/10.1117/12.814357

KEYWORDS: Particles, Optical spheres, Polarization, Bragg cells, Optical tweezers, Beam splitters, Microfluidics, Sensors, Fourier transforms, Polymers

Read Abstract +

Proceedings Article | 29 August 2008 Paper

Calibration of trap stiffness and viscoelasticity in polymer solutions

Susan Roelofs, Martha Alvarez-Elizondo, Timo Nieminen, Martin Persson, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 7038, 703823 (2008) https://doi.org/10.1117/12.793577

KEYWORDS: Optical tweezers, Particles, Calibration, Liquids, Sensors, Polymers, Objectives, Optical testing, Oxides, Microscopes

Read Abstract +

Proceedings Article | 29 August 2008 Paper

Improved optically driven microrotors

Theodor Asavei, Vincent Loke, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 7038, 703817 (2008) https://doi.org/10.1117/12.794385

KEYWORDS: Optical tweezers, Two photon polymerization, Microelectromechanical systems, Optical spheres, Silicon, Molecules, Polymerization, Scanning electron microscopy, Polarization, Photopolymerization

Read Abstract +

Proceedings Article | 29 August 2008 Paper

Engineering optically driven micromachines

Theodor Asavei, Simon Parkin, Martin Persson, Robert Vogel, Maren Funk, Vincent Loke, Timo Nieminen, Halina Rubinsztein-Dunlop, Norman Heckenberg

Proceedings Volume 7038, 703816 (2008) https://doi.org/10.1117/12.798529

KEYWORDS: Optical spheres, Molecules, Polarization, Polymerization, Absorption, Spherical lenses, Optical tweezers, Photon polarization, Birefringence, Particles

Read Abstract +

Proceedings Article | 5 September 2007 Paper

Microrheology of microlitre samples: probed with rotating optical tweezers

Simon Parkin, Gregor Knöner, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6644, 66440O (2007) https://doi.org/10.1117/12.735492

KEYWORDS: Particles, Optical tweezers, Microfluidics, Polarization, Liquids, Spherical lenses, Wave plates, Optical spheres, Light scattering, Polymers

Read Abstract +

Proceedings Article | 5 September 2007 Paper

Optical microrotors: theory, design and fabrication

Vincent Loke, Theodore Asavei, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6644, 66440U (2007) https://doi.org/10.1117/12.735341

KEYWORDS: Particles, Modeling, Optical tweezers, Scattering, Optical design, Prototyping, Microfabrication, Polarization, Raster graphics, Laser scattering

Read Abstract +

Proceedings Article | 11 September 2006 Paper

Optical micromanipulation of synthetic macromolecules

Wolfgang Singer, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6326, 632619 (2006) https://doi.org/10.1117/12.680187

KEYWORDS: Molecules, Optical tweezers, Particles, Macromolecules, Refractive index, Optical spheres, Optical micromanipulation, Polymers, Thermodynamics, Proteins

Read Abstract +

Proceedings Article | 11 September 2006 Paper

Torque transfer in optical tweezers due to orbital angular momentum

Simon Parkin, Gregor Knöner, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6326, 63261B (2006) https://doi.org/10.1117/12.681402

KEYWORDS: Particles, Optical tweezers, Holograms, Polarization, Microscopes, Optical testing, Beam splitters, Photons, Glasses, Spatial light modulators

Read Abstract +

Proceedings Article | 11 September 2006 Paper

Two controversies in classical electromagnetism

Robert Pfeifer, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6326, 63260H (2006) https://doi.org/10.1117/12.678953

KEYWORDS: Electromagnetism, Electromagnetic radiation, Dielectrics, Optical tweezers, Wave propagation, Radio propagation, Free space, Interfaces, Optical micromanipulation, Solids

Read Abstract +

Proceedings Article | 8 September 2006 Paper

Modelling optical micromachines and birefringent particles

Vincent Loke, Timo Nieminen, Simon Parkin, Agata Brańczyk, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6310, 63100I (2006) https://doi.org/10.1117/12.680455

KEYWORDS: Particles, Optical spheres, Optical tweezers, Spherical lenses, Modeling, Scattering, Birefringence, Finite-difference time-domain method, Computer simulations, Optical simulations

Read Abstract +

Proceedings Article | 30 August 2006 Paper

Calculation of optical trapping landscapes

Gregor Knöner, Timo Nieminen, Simon Parkin, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6326, 63260K (2006) https://doi.org/10.1117/12.680114

KEYWORDS: Particles, Optical tweezers, Refractive index, Spherical lenses, Objectives, Scattering, Mie scattering, Electromagnetism, Laser scattering, Reflection

Read Abstract +

Proceedings Article | 18 January 2006 Paper

Two-photon polymerization process for optically driven micromachines

Gregor Knöner, Julien Higuet, Simon Parkin, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6038, 603810 (2006) https://doi.org/10.1117/12.651757

KEYWORDS: Objectives, Polymerization, Microscopes, Polymers, Femtosecond phenomena, Optical tweezers, Two photon polymerization, Raster graphics, Photopolymerization, Mirrors

Read Abstract +

Proceedings Article | 18 January 2006 Paper

Optically driven micromachines: progress and prospects

Timo Nieminen, Julien Higuet, Gregor Knöner, Vincent Loke, Simon Parkin, Wolfgang Singer, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6038, 603813 (2006) https://doi.org/10.1117/12.651760

KEYWORDS: Particles, Optical tweezers, Applied physics, Light scattering, Optical communications, Quantum optics, Near field optics, Geometrical optics, Electromagnetic radiation, Electromagnetism

Read Abstract +

Proceedings Article | 16 January 2006 Paper

Towards crystallization using optical tweezers

Wolfgang Singer, Ursula Gibson, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6038, 60380B (2006) https://doi.org/10.1117/12.651755

KEYWORDS: Molecules, Crystals, Optical tweezers, Molecular lasers, Light scattering, Proteins, Crystallography, Particles, Laser scattering, Oxides

Read Abstract +

Proceedings Article | 14 January 2006 Paper

Optical microrheology of biopolymers

Simon Parkin, Gregor Knöner, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 6038, 60380A (2006) https://doi.org/10.1117/12.651754

KEYWORDS: Particles, Optical tweezers, Biopolymers, Bragg cells, Video, Polarization, Wave plates, Microfluidics, Sensors, Motion measurement

Read Abstract +

Proceedings Article | 27 August 2005 Paper

Growth of crystals in optical tweezers

Ursula Gibson, Wolfgang Singer, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 5930, 593014 (2005) https://doi.org/10.1117/12.616739

KEYWORDS: Crystals, Optical tweezers, Laser crystals, Proteins, Particles, Oxides, Polymers, Clouds, Crystal optics, Crystallography

Read Abstract +

Proceedings Article | 14 March 2005 Paper

A constant torque micro-viscometer

Simon Parkin, Gregor Knoener, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 5736, (2005) https://doi.org/10.1117/12.590147

KEYWORDS: Particles, Liquids, Optical tweezers, Microfluidics, Polarization, Sensors, Signal detection, Optical spheres, Beam splitters, Wave plates

Read Abstract +

Proceedings Article | 14 March 2005 Paper

Rotating optical tweezers

Wolfgang Singer, Timo Nieminen, Ursula Gibson, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 5736, (2005) https://doi.org/10.1117/12.590107

KEYWORDS: Crystals, Particles, Proteins, Optical tweezers, Polarization, Birefringence, Laser crystals, Crystal optics, Liquids, Anisotropy

Read Abstract +

Proceedings Article | 18 October 2004 Paper

Optical torque and symmetry

Timo Nieminen, Simon Parkin, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 5514, (2004) https://doi.org/10.1117/12.557070

KEYWORDS: Particles, Polarization, Beam shaping, Spherical lenses, Light scattering, Scattering, Optical tweezers, Absorption, Photon polarization, Electromagnetism

Read Abstract +

Proceedings Article | 18 October 2004 Paper

Measurement of orbital angular momentum in optical tweezers

Simon Parkin, Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 5514, (2004) https://doi.org/10.1117/12.556730

KEYWORDS: Holograms, Optical tweezers, Particles, Diffraction, Glasses, Polarization, CCD cameras, Photon polarization, Gaussian beams, Microscopes

Read Abstract +

Proceedings Article | 18 October 2004 Paper

Computational modeling of optical tweezers

Timo Nieminen, Norman Heckenberg, Halina Rubinsztein-Dunlop

Proceedings Volume 5514, (2004) https://doi.org/10.1117/12.557090

KEYWORDS: Optical tweezers, Particles, Modeling, Optical spheres, Spherical lenses, Scattering, Light scattering, Laser scattering, Mie scattering, Geometrical optics

Read Abstract +

Proceedings Article | 3 August 1998 Paper

Trapping microscopic particles with singular beams

N. Heckenberg, T. Nieminen, Marlies Friese, Halina Rubinsztein-Dunlop

Proceedings Volume 3487, (1998) https://doi.org/10.1117/12.317715

KEYWORDS: Particles, Wavefronts, Polarization, Optical tweezers, Laser scattering, Scattering, Gaussian beams, Refractive index, Process modeling, Microscopes

Read Abstract +

Showing 5 of 58 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years