Stephen Keen

Measuring the accuracy of particle position and force in optical tweezers using high-speed video microscopy

Graham M. Gibson, Jonathan Leach, Stephen Keen et al. · Optics Express · 2008 · 217 citations · Full text

Comparison of Faxén’s correction for a microsphere translating or rotating near a surface

Jonathan Leach, Hasan Mushfique, Stephen Keen et al. · Physical Review E · 2009 · 160 citations

Engineering, Rotational Motion, Fluid Mechanics +17

Direct measurement of the skew angle of the Poynting vector in a helically phased beam

Jonathan Leach, Stephen Keen, Miles J. Padgett et al. · Optics Express · 2006 · 148 citations · Full text

Engineering, Measurement, Interferometry +17

Comparison of a high-speed camera and a quadrant detector for measuring displacements in optical tweezers

Stephen Keen, Jonathan Leach, Graham M. Gibson et al. · Journal of Optics A Pure and Applied Optics · 2007 · 104 citations

Independent polarisation control of multiple optical traps

Daryl Preece, Stephen Keen, Elliot Botvinick et al. · Optics Express · 2008 · 49 citations · Full text

Holography, Engineering, Holographic Method +16