Processing carbon nanotubes with holographic optical tweezers

Details Processing carbon nanotubes with holographic optical tweezers Processing carbon nanotubes with holographic optical tweezers

2004-02-17

arxiv.org/abs/cond-mat/0402454v1

Physics

Condensed Matter

Materials Science

3 pages, 1 figure

Scientific paper

10.1364/OPEX.12.001978

We report the first demonstration that carbon nanotubes can be trapped and manipulated by optical tweezers. This observation is surprising because individual nanotubes are substantially smaller than the wavelength of light, and thus should not be amenable to optical trapping. Even so, nanotube bundles, and perhaps even individual nanotubes, can be transported at high speeds, deposited onto substrates, untangled, and selectively ablated, all with visible light. The use of holographic optical tweezers, capable of creating hundreds of independent traps simultaneously, suggests opportunities for highly parallel nanotube processing with light.

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