Optical tweezers and associated manipulation tools in the far field have had a major impact
on scientific and engineering research by offering precise manipulation of small objects …

Particle tracking is a fundamental technique for investigating a variety of biophysical
processes, from intracellular dynamics to the characterization of cell motility and migration …

Living systems are complex dynamic entities that operate far from thermodynamic
equilibrium. Their active, non-equilibrium behaviour requires energy to drive cellular …

The possibility for the manipulation of many different samples using only the light from a
laser beam opened the way to a variety of experiments. The technique, known as Optical …

Single-molecule magnetic tweezers deliver magnetic force and torque to single target
molecules, permitting the study of dynamic changes in biomolecular structures and their …

The phenomenon of light's momentum was first observed in the laboratory at the beginning
of the twentieth century, and its potential for manipulating microscopic particles was …

New developments in the microrheology of complex fluids are considered. Firstly the
requirements for a simple modern particle tracking microrheology experiment are …

Optical tweezers are a highly versatile tool for exploration of the mesoscopic world,
permitting non-contact manipulation of nanoscale objects. However, direct illumination with …

During the last decade, optical tweezers have been transformed by the combined availability
of spatial light modulators and the speed of low-cost computing to drive them. Holographic …

We measure the dynamics of 20 nm polystyrene particles in a double nanohole trap to
determine the trap stiffness for various laser powers. Both the autocorrelation analysis of …