Optical tweezers lifting apparatus

Details Optical tweezers lifting apparatus Optical tweezers lifting apparatus

2008-10-17

2010-11-09

Wells, Nikita (Department: 2881)

Radiant energy

Electrically neutral molecular or atomic beam devices and...

C204S643000, C210S270000, C359S509000, C359S558000, C359S629000

Reexamination Certificate

active

07829839

ABSTRACT:
An optical tweezers lifting apparatus is provided. The optical tweezers lifting apparatus includes an optical tweezers and a particle-lifting device. The particle-lifting device includes a substrate and a plurality of electrodes that are disposed on the bottom of a flow path in the substrate. When a dielectrophoresis (DEP) solution with a plurality of floating particles is conducted into the flow path and upon those electrodes and a voltage is applied to these electrodes, these particles would be driven by a negative DEP force to move upward to a specific depth in the flow path. Meanwhile, the optical tweezers of the apparatus is selectively focused at the specific depth in the flow path.

REFERENCES:
patent: 2004/0262210 (2004-12-01), Westervelt et al.
patent: 2008/0174870 (2008-07-01), Hsu et al.
patent: 2009/0032692 (2009-02-01), Hsu et al.
patent: 2009/0040620 (2009-02-01), Peng et al.
patent: 2009/0233327 (2009-09-01), Lau et al.

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