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Driven colloidal particles in optical potential energy landscapes

Abstract:

The dynamic behaviour of colloidal particles driven across one-dimensional optical potential energy landscapes is studied. Colloids are driven with a piezo-stage, manipulated with optical tweezers and magnetic fields and imaged using optical microscopy. First, the meta-stable horizontal and vertical states of a colloidal rod in a single optical trap close to a flat wall are explored. A colloidal rod is then driven through a periodic optical potential energy landscape. The equilibrium positio...

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Joshua Abbott More by this author

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Department:
University of Oxford
Role:
Supervisor
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
Language:
English
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