Laser Spinning of Nanotubes: A path to fast-rotating microdevices

Details Laser Spinning of Nanotubes: A path to fast-rotating microdevices Laser Spinning of Nanotubes: A path to fast-rotating microdevices

2002-02-19

arxiv.org/abs/physics/0202050v1

Phys. Rev. B - Rapid (March 2002)

Physics

Atomic and Molecular Clusters

4 pages, 3 Postscript figures

Scientific paper

10.1103/PhysRevB.65.161401

We show that circularly polarized light can spin nanotubes with GHz frequencies. In this method, angular moments of infrared photons are resonantly transferred to nanotube phonons and passed to the tube body by "umklapp" scattering. We investigate experimental realization of this ultrafast rotation in carbon nanotubes, levitating in an optical trap and undergoing mechanical vibrations, and discuss possible applications to rotating microdevices.

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