Results 31 to 40 of about 2,483,046 (293)

A programmable optical angle clamp for rotary molecular motors [PDF]

open access: yes, 2007
Optical tweezers are widely used for experimental investigation of linear molecular motors. The rates and force dependence of steps in the mechanochemical cycle of linear motors have been probed giving detailed insight into motor mechanisms. With similar
Berry, RM   +13 more
core   +1 more source

Optically programmable excitonic traps [PDF]

open access: yesScientific Reports, 2013
With atomic systems, optically programmed trapping potentials have led to remarkable progress in quantum optics and quantum information science. Programmable trapping potentials could have a similar impact on studies of semiconductor quasi-particles, particularly excitons.
Mathieu Alloing   +3 more
openaire   +2 more sources

Alternative techniques for the production and manipulation of ultracold atoms [PDF]

open access: yes, 2012
This Thesis contains details of the construction and characterisation of a compact apparatus for the cooling of ultracold atoms to quantum degeneracy, and their manipulation in flexible holographic optical traps. We have designed and built two iterations
Bruce, Graham D.
core   +2 more sources

Magneto-optical trapping of cadmium [PDF]

open access: yesPhysical Review A, 2007
8 pages, 11 ...
Brickman, K. -A.   +7 more
openaire   +2 more sources

Forced Atom Interferometers in Optical Harmonic Potentials

open access: yesAtoms
We present a study of Doppler-sensitive light-pulse atom interferometers operating within optical dipole potentials, where atomic trajectories are manipulated using momentum transfer from light pulses and optical forces from the trap.
Mingjie Xin   +3 more
doaj   +1 more source

Particle Manipulation by Optical Forces in Microfluidic Devices

open access: yesMicromachines, 2018
Since the pioneering work of Ashkin and coworkers, back in 1970, optical manipulation gained an increasing interest among the scientific community. Indeed, the advantages and the possibilities of this technique are unsubtle, allowing for the manipulation
Petra Paiè   +4 more
doaj   +1 more source

Lightsheet optical tweezer (LOT) for optical manipulation of microscopic particles and live cells

open access: yesScientific Reports, 2022
Optical trapping and patterning cells or microscopic particles is fascinating. We developed a light sheet-based optical tweezer to trap dielectric particles and live HeLa cells.
Partha Pratim Mondal   +4 more
doaj   +1 more source

Diffusiophoresis driven colloidal manipulation and shortcuts to adiabaticity

open access: yesNew Journal of Physics, 2021
While compressing a colloidal state by optical means alone has been previously achieved through a specific time-dependence of the trap stiffness, realizing quickly the reverse transformation stumbles upon the necessity of a transiently expulsive trap. To
Parvin Bayati, Emmanuel Trizac
doaj   +1 more source

Studies of novel beam shapes and applications to optical manipulation [PDF]

open access: yes, 2011
Electronic redacted version excludes material for which permission has not been granted by the rights holderIn this thesis an investigation into novel beams and optical manipulation is presented.
Morris, Jill E.
core   +2 more sources

Bidirectional helical motility of cytoplasmic dynein around microtubules

open access: yeseLife, 2014
Cytoplasmic dynein is a molecular motor responsible for minus-end-directed cargo transport along microtubules (MTs). Dynein motility has previously been studied on surface-immobilized MTs in vitro, which constrains the motors to move in two dimensions ...
Sinan Can, Mark A Dewitt, Ahmet Yildiz
doaj   +1 more source

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