Dr. Stephen H. Simpson Profile

Dr. Stephen H. Simpson

at Institute of Scientific Instruments of the CAS

SPIE Involvement:

Author

Publications (33)

Proceedings Article | 17 March 2023 Presentation

Sympathetic cooling and asymmetric interactions in optical binding

Graham Bruce, Yoshihiko Arita, XiaoYong Duan, Ewan Wright, Stephen Simpson, Pavel Zemánek, Kishan Dholakia

Proceedings Volume PC12436, PC124360Q (2023) https://doi.org/10.1117/12.2650232

KEYWORDS: Optical binding, Particles, Physics, Optical spheres, Modeling, Magnetism, Liquids

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Proceedings Article | 3 October 2022 Presentation

Nonconservative levitated optomechanics

Yoshihiko Arita, Stephen Simpson, Graham Bruce, Pavel Zemánek, Kishan Dholakia

Proceedings Volume PC12198, PC121980Y (2022) https://doi.org/10.1117/12.2635918

KEYWORDS: Optomechanical design, Particles, Optical tweezers, Stochastic processes, Sensors, Anisotropy

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Proceedings Article | 19 May 2022 Poster + Paper

Robust method for finding the modes in a fibre with an unknown refractive index profile

Ľubomír Škvarenina, Johanna Trägårdh, Stephen Simpson

Proceedings Volume 12140, 121400M (2022) https://doi.org/10.1117/12.2632808

KEYWORDS: Speckle pattern, Refractive index, Optical fibers, Wave propagation, Spatial light modulators, Fiber couplers, Computer simulations, Numerical simulations, Speckle

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Proceedings Article | 1 August 2021 Presentation + Paper

Optically bound matter levitated in vacuum

Vojtěch Svak, Jana Flajšmanová, Lukáš Chvátal, Martin Šiler, Alexandr Jonáš, Jan Ježek, Stephen Simpson, Pavel Zemánek, Oto Brzobohatý

Proceedings Volume 11798, 117980Q (2021) https://doi.org/10.1117/12.2596308

KEYWORDS: Optical binding, Optical tweezers, Optical spheres, Oscillators, Modulation, Thermography, Spatial light modulators, Atmospheric particles, Optomechanical design

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Proceedings Article | 1 August 2021 Presentation

Parametric feedback cooling of a rotating birefringent microsphere in a vacuum optical trap

Yoshihiko Arita, Stephen Simpson, Graham Bruce, Pavel Zemánek, Kishan Dholakia

Proceedings Volume 11798, 117980X (2021) https://doi.org/10.1117/12.2598892

KEYWORDS: Optical tweezers, Particles, Stochastic processes, Silica, Optical spheres, Anisotropy

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Proceedings Article | 22 August 2020 Presentation

Coherent oscillations of an optically levitated birefringent microsphere in vacuum

Yoshihiko Arita, Stephen Simpson, Pavel Zemánek, Kishan Dholakia

Proceedings Volume 11463, 114631W (2020) https://doi.org/10.1117/12.2570854

KEYWORDS: Particles, Optical tweezers, Oscillators, Thermography, Optical spheres, Anisotropy, Sensors

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Proceedings Article | 15 June 2020 Paper

Coherent oscillations of a birefringent microsphere in vacuum optical traps

Yoshihiko Arita, Stephen Simpson, Pavel Zemánek, Kishan Dholakia

Proceedings Volume 11522, 115221C (2020) https://doi.org/10.1117/12.2573530

KEYWORDS: Optical tweezers, Particles, Oscillators, Optical spheres, Physics, Birefringence, Crystals, Silica, Polarization, Astronomy

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Proceedings Article | 24 February 2020 Presentation + Paper

Transport properties of optical fibres with high numerical apertures

T. Tyc, S. Simpson, T. Cižmár

Proceedings Volume 11297, 112970Y (2020) https://doi.org/10.1117/12.2550446

KEYWORDS: Polarization, Optical fibers, Endoscopy, Refractive index, Structured optical fibers, Radio propagation, Imaging systems, Superposition, Wave propagation, Electromagnetism

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Proceedings Article | 24 February 2020 Presentation + Paper

Non-conservative instabilities in optical vacuum traps

V. Svak, Y. Arita, S. Simpson, O. Brzobohatý, M. Šiler, P. Jákl, J. Kaňka, P. Zemánek, K. Dholakia

Proceedings Volume 11297, 112970F (2020) https://doi.org/10.1117/12.2545948

KEYWORDS: Particles, Optical spheres, Polarization, Gaussian beams, Thermography, Optical tweezers, Spherical lenses, Free space optics, Astronomical imaging, Physics

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Proceedings Article | 24 February 2020 Presentation + Paper

Vacuum optomechanics of optically levitated objects: determination of nonlinear properties of the optical trap

Martin Siler, Jana Flajsmanova, Vojtech Svak, Petr Jakl, Stephen Simpson, Radim Filip, Oto Brzobohaty, Pavel Zemanek

Proceedings Volume 11297, 112970I (2020) https://doi.org/10.1117/12.2546009

KEYWORDS: Oscillators, Optical tweezers, Nanoparticles, Optomechanical design, Laser scattering, Scattering, Quantum physics, Stochastic processes

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Proceedings Article | 20 February 2019 Presentation + Paper

Towards focusing broad band light through a multimode fiber endoscope

Johanna Trägårdh, Tomáš Pikálek, Stephen Simpson, Petr Jákl, Martin Šiler, Tomáš Tyc, Tomáš Čižmár

Proceedings Volume 10886, 108860J (2019) https://doi.org/10.1117/12.2510449

KEYWORDS: Spatial light modulators, Endoscopes, Multimode fibers, Dispersion, GRIN lenses, Phase measurement, Calibration, Polarization

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Proceedings Article | 24 April 2018 Paper

Underdamped and overdamped dynamics of objects in nonlinear optical potentials

Oto Brzobohaty, Stephen Simpson, Martin Siler, Petr Jakl, Jana Damkova, Vojtech Svak, Alejandro Arzola, Karen Volke-Sepulveda, Radim Filip, Pavel Zemanek

Proceedings Volume 10712, 107120Z (2018) https://doi.org/10.1117/12.2319285

KEYWORDS: Particles, Thermography, Optical tweezers, Nonlinear dynamics, Quantum optics, Control systems, Thermodynamics, Stochastic processes, Cadmium, Nonlinear optics

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Proceedings Article | 10 November 2016 Presentation

Optical binding between dielectric nanowires (Conference Presentation)

Simon Hanna, Stephen Simpson

Proceedings Volume 9922, 99221T (2016) https://doi.org/10.1117/12.2239886

KEYWORDS: Optical binding, Particles, Dielectrics, Computer simulations, Photons, Nanoparticles, Spherical lenses, Optical spheres, Anisotropy, Nanowires

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Proceedings Article | 16 September 2016 Presentation + Paper

Characterizing particle pairs optically bound in "tractor beam"

Jana Damková, Lukáš Chvátal, Oto Brzobohatý, Vojtěch Svak, Martin Šiler, Stephen Simpson, Pavel Zemánek

Proceedings Volume 9922, 99221Q (2016) https://doi.org/10.1117/12.2237572

KEYWORDS: Optical binding, Gaussian beams, Particles, Optical spheres, Holograms, Holography, Video microscopy, Polarization, Wave propagation, Mirrors

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Proceedings Article | 16 September 2016 Presentation + Paper

Optical binding between knotted and chiral nanoparticles

Stephen Simpson, Simon Hanna

Proceedings Volume 9922, 99221U (2016) https://doi.org/10.1117/12.2239916

KEYWORDS: Nanowires, Optical binding, Particles, Nanoparticles, Computer simulations, Dielectrics, Electroluminescent displays, Optical spheres, Optical tweezers, Wave propagation

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Proceedings Article | 4 March 2016 Paper

Optical binding between nanowires

Stephen Simpson, Simon Hanna

Proceedings Volume 9764, 976414 (2016) https://doi.org/10.1117/12.2216281

KEYWORDS: Nanowires, Optical binding, Wave propagation, Computer simulations, Particles, Optical tweezers, Dielectrics, Polarization, Electroluminescent displays, Optical spheres, Refractive index

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Proceedings Article | 25 August 2015 Presentation + Paper

Rotational behavior of oblate golden nanoparticles in circularly polarized dual beam optical trap

Martin Šiler, Lukáš Chvátal, Oto Brzobohatý, Alejandro Arzola, Petr Jákl, Stephen Simpson, Pavel Zemánek

Proceedings Volume 9548, 95481E (2015) https://doi.org/10.1117/12.2188159

KEYWORDS: Particles, Optical tweezers, Gaussian beams, Nanoparticles, Beam propagation method, Radio propagation, Wave propagation, Laser scattering, Scattering, Dielectrics

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Proceedings Article | 13 March 2015 Paper

Fabricating microscopic tools: towards optically actuated micro-robotics

David Phillips, Miles Padgett, John Rarity, Mervyn Miles, Stephen Simpson

Proceedings Volume 9374, 937402 (2015) https://doi.org/10.1117/12.2084812

KEYWORDS: Optical tweezers, Motion measurement, Particles, Scanning probe microscopy, Multiphoton lithography, Video, Spherical lenses, Physics, Feedback control, Holography

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Proceedings Article | 16 September 2014 Paper

Micro-rheology and interparticle interactions in aerosols probed with optical tweezers

Jonathan Reid, Rory Power, Chen Cai, Stephen Simpson

Proceedings Volume 9164, 91641W (2014) https://doi.org/10.1117/12.2061018

KEYWORDS: Aerosols, Particles, Atmospheric particles, Optical tweezers, Sodium, Optical spheres, Raman spectroscopy, Refractive index, Light scattering, Humidity

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Proceedings Article | 16 September 2014 Paper

Observation of the rotational Doppler effect from an optically trapped micro-particle

D. Phillips, M. Lee, F. Speirits, S. Barnett, S. Simpson, M. Lavery, M. Padgett, G. Gibson

Proceedings Volume 9164, 91640J (2014) https://doi.org/10.1117/12.2061994

KEYWORDS: Particles, Doppler effect, Laser beam diagnostics, Light scattering, Optical tweezers, Velocity measurements, Calcite, Motion measurement, Modulation, Photodetectors

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Proceedings Article | 16 September 2014 Paper

Investigating hydrodynamic synchronisation using holographic optical tweezers

Stuart Box, Luke Debono, Nicolas Bruot, Jurij Kotar, Pietro Cicuta, Mervyn Miles, Simon Hanna, David Phillips, Stephen Simpson

Proceedings Volume 9164, 91641Q (2014) https://doi.org/10.1117/12.2064320

KEYWORDS: Optical spheres, Spatial light modulators, Holograms, Optical tweezers, Holography, Anisotropy, Calibration, Time metrology, Cameras, Imaging systems

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Proceedings Article | 12 September 2013 Paper

Fashioning microscopic tools

David Phillips, Graeme Whyte, David Carberry, Simon Hanna, Mervyn Miles, Miles Padgett, Stephen Simpson

Proceedings Volume 8810, 881029 (2013) https://doi.org/10.1117/12.2024230

KEYWORDS: Optical tweezers, Particles, Electroluminescent displays, Spherical lenses, Holography, Motion measurement, Physics, Structural design, Objectives, Eye

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Proceedings Article | 12 September 2013 Paper

Optical binding of nanowires in counterpropagating beams

Stephen Simpson, Philip Jones, Onofrio Maragò, Simon Hanna, Mervyn Miles

Proceedings Volume 8810, 881026 (2013) https://doi.org/10.1117/12.2024466

KEYWORDS: Nanostructures, Optical binding, Electroluminescent displays, Particles, Dielectric polarization, Polarization, Optical spheres, Dielectrics, Optical simulations, Nanowires

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Proceedings Article | 5 March 2013 Paper

Optimising forces and torques for optical micromanipulation

Stephen Simpson, David Phillips, Simon Hanna

Proceedings Volume 8637, 863710 (2013) https://doi.org/10.1117/12.2008950

KEYWORDS: Particles, Refractive index, Two photon polymerization, Optical tweezers, Optical micromanipulation, Optical spheres, Spherical lenses, Polarization, Dielectrics, Physics

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Proceedings Article | 10 October 2012 Paper

Geometry optimization for optical micromanipulation

Stephen Simpson, David Phillips, Grover Swartzlander, Simon Hanna

Proceedings Volume 8458, 84581C (2012) https://doi.org/10.1117/12.2008391

KEYWORDS: Particles, Optical spheres, Optical tweezers, Optical micromanipulation, Two photon polymerization, Physics, Refractive index, Mirrors, Photonics, Nanowires

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Proceedings Article | 10 October 2012 Paper

Non-spherical optically trapped probes: design, control, and applications

J. Grieve, D. Phillips, S. Hanna, R. Bowman, G. Gibson, M. Padgett, M. Miles, D. Carberry, S. Simpson

Proceedings Volume 8458, 84581Y (2012) https://doi.org/10.1117/12.930871

KEYWORDS: Optical tweezers, Optical spheres, Holography, Optical design, Thermography, Physics, Motion measurement, Objectives, Silica, Electroluminescent displays

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Proceedings Article | 9 September 2011 Paper

Optical trapping of nanowires

Stephen Simpson, Simon Hanna

Proceedings Volume 8097, 80971Z (2011) https://doi.org/10.1117/12.893799

KEYWORDS: Refractive index, Particles, Optical tweezers, Semiconductors, Resistance, Polarization, Gaussian beams, Optical spheres, Scattering, Nanowires

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Proceedings Article | 9 September 2011 Paper

Simulations of optical lift

Stephen Simpson, Grover Swartzlander, Simon Hanna

Proceedings Volume 8097, 809718 (2011) https://doi.org/10.1117/12.893782

KEYWORDS: Particles, Refractive index, Dielectrics, Polarization, Light wave propagation, Optical tweezers, Dielectric polarization, Magnetism, Optical simulations, Aerodynamics

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Proceedings Article | 28 August 2010 Paper

Non-conservative effects in optically trapped low symmetry particles

Stephen Simpson, David Carberry, Simon Hanna, Mervyn Miles

Proceedings Volume 7762, 776218 (2010) https://doi.org/10.1117/12.859830

KEYWORDS: Particles, Optical spheres, Gaussian beams, Computer simulations, Silica, Stochastic processes, Optical tweezers, Thermodynamics, Polarization, Sun

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Proceedings Article | 28 August 2010 Paper

Optical trapping of dielectric ellipsoids

Stephen Simpson, Simon Hanna

Proceedings Volume 7762, 77621B (2010) https://doi.org/10.1117/12.859832

KEYWORDS: Particles, Optical tweezers, Polarization, Dielectrics, Scattering, Electromagnetism, Gaussian beams, Optical spheres, Dielectric polarization, Electromagnetic scattering

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Proceedings Article | 20 August 2009 Paper

Thermal motion of an optically trapped nanotool

Stephen Simpson, Mervyn Miles, Simon Hanna

Proceedings Volume 7400, 74001W (2009) https://doi.org/10.1117/12.825926

KEYWORDS: Optical spheres, Optical tweezers, Resistance, Particles, Thermography, Atomic force microscopy, Holography, Silica, Atomic force microscope, Nanoprobes

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Proceedings Article | 29 August 2008 Paper

Fabrication of photonic crystal templates using holographic optical tweezers and adhesion via entropic attraction

David Benito, David Carberry, Julia Hildmann, Eleanor Edwards, Stephen Simpson, Graham Gibson, Miles Padgett, John Rarity, Martin Kuball, Mervyn Miles, Simon Hanna

Proceedings Volume 7038, 70380K (2008) https://doi.org/10.1117/12.795070

KEYWORDS: Optical spheres, Crystals, Optical tweezers, Polymers, Photonic crystals, Holography, Silica, Particles, Mirrors, Diffusion

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Proceedings Article | 29 August 2008 Paper

Calculation of optically induced forces arising in conjunction with dynamic holographic assembly

Stephen Simpson, David Benito, Simon Hanna

Proceedings Volume 7038, 70381E (2008) https://doi.org/10.1117/12.795127

KEYWORDS: Particles, Optical spheres, Finite-difference time-domain method, Optical tweezers, Holography, Silica, Polarization, Gaussian beams, Scattering, Polymers

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Showing 5 of 33 publications

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