C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/88 (2006.01) G02B 5/32 (2006.01) G02B 27/42 (2006.01) G21K 1/00 (2006.01) G21K 1/06 (2006.01)
Patent
CA 2494362
An apparatus and method for manipulating, effecting interaction of, photochemically transforming and/or sorting small dielectric particles or other materials are disclosed. The apparatus and method involves the use of one or more diffractive optical elements which each receive a laser beam and form a plurality of laser beams. These laser beams are operated on by a telescope lens system and then an objective lens element to create an array of optical traps for manipulating, effecting interaction of , photochemically transforming and/or small dielectric particles or other materials. One object of the invention is to provide an improved method and system for using optical traps to incorporate foreign matter into living cells. Another object of the invention is to provide an improved method and system to sort optically nonabsorbing particles from optically absorbing particles. Yet another object ot the invention is to provide an improved method and system to implement the fabrication of heterogeneous structures using spatially resolved photochemistry.
L'invention concerne un appareil et un procédé pour manipuler, faire interagir, transformer de manière photochimique et/ou trier de petites particules ou autres matériels diélectriques. L'appareil et le procédé de l'invention mettent en oeuvre un ou plusieurs éléments optiques à diffraction qui reçoivent chacun un faisceau laser et forment une pluralité de faisceaux laser. Ces faisceaux laser sont commandés par un système à lentille télescopique puis par un élément à objectif afin de créer un réseau de pièges optiques destinés à manipuler, faire interagir, transformer de manière photochimique et/ou trier de petites particules ou autres matériels diélectriques.
Dufresne Eric R.
Grier David G.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
The University Of Chicago
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