Detecting the orientation of carbon nanotubes

Details Detecting the orientation of carbon nanotubes Detecting the orientation of carbon nanotubes

2004-03-10

2008-03-25

Lee, Hwa (Andrew) (Department: 2886)

Optics: measuring and testing

By polarized light examination

C356S139050

Reexamination Certificate

active

07349085

ABSTRACT:
Carbon nanotube orientation may be detected by exposing the carbon nanotube to a pair of laser beams oriented transversely to one another. By observing the effect on the intensity of transmitted light from a first laser beam when the polarization of the second laser beam is changed, the carbon nanotube orientation can be derived.

REFERENCES:
patent: 6774333 (2004-08-01), Hannah
patent: 6790425 (2004-09-01), Smalley et al.
patent: 2005/0147373 (2005-07-01), Zhang
U.S. Appl. No. 10/746,078, filed Dec. 24, 2003, entitled “Controlling Carbon Nanotubes Using Optical Traps”.
U.S. Appl. No. 10/669,150, filed Sep. 23, 2003, entitled “Sorting of Single-Walled Carbon Nanotubes Using Optical Dipole Traps”.

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