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Plasmonic optical tweezers: A long arm and a tight grip

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nature

By taking advantage of the thermal gradient that is generated in plasmonic systems and by using an a.c. field, plasmonic tweezers can have a large radius of action and can trap and manipulate single nano-objects.

 

To have access to this paper, please visit:

http://www.nature.com/nnano/journal/v11/n1/full/nnano.2015.253.html

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