Apparatus and method to generate and control optical traps...

Details Apparatus and method to generate and control optical traps... Apparatus and method to generate and control optical traps...

H - Electricity

05

H

H05H 3/04 (2006.01) G21K 1/00 (2006.01)

Patent

CA 2481927

The present invention relates generally to an apparatus and method to generate and control optical traps (1000, 1002) for manipulation of small particles. An upstream modification of an input laser beam (12, 22) provides a beam with a square or other preselected, cross section of intensity which can be used to form optical traps (1000, 1002) with a corresponding cross section of intensity.

De manière générale, la présente invention concerne un dispositif et un procédé destinés à produire et commander des pièges optiques (1000, 1002) pour la manipulation de petites particules. Une modification en amont d'un faisceau laser d'entrée (12, 22) permet d'obtenir un faisceau présentant une section transversale d'intensité carrée, ou d'une autre forme présélectionnée, et pouvant être utilisé pour former des pièges optiques (1000, 1002) présentant une section transversale d'intensité correspondante.

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