Radiant energy – Electrically neutral molecular or atomic beam devices and...
Reexamination Certificate
2004-10-28
2008-08-12
Vanore, David A. (Department: 2881)
Radiant energy
Electrically neutral molecular or atomic beam devices and...
C359S296000, C359S566000
Reexamination Certificate
active
07411181
ABSTRACT:
A method and apparatus for manipulating particles (micro, nano, and pico) having one or more characteristics with an optical trap formed by modulating a laser beam with a Diffractive Optical Element (DOE). At least one characteristic of the material is selected; and a laser beam having a selected wavelength corresponding to the at least one selected characteristic of the material is generated. Values of the DOE are calculated corresponding to the at least one selected characteristic of the material. The beam and the DOE are modulated to produce a holographic optical trap having properties corresponding to the at least one selected characteristic. The trap is focused to a beam focus or selected spot size; and the beam focus is located near a particle location for trapping the particle therein.
REFERENCES:
patent: 6055106 (2000-04-01), Grier et al.
patent: 6139831 (2000-10-01), Shivashankar et al.
patent: 6416190 (2002-07-01), Grier et al.
Bradley Kenneth
Gruber Lewis
Mueth Dan
Plewa Joseph
Tanner Evan
Akerman & Senterfitt
Arryx, Inc.
Edwards, Esq. Jean C.
Vanore David A.
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