Method of optical manipulation of small-sized particles
US7696473B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 29, 2007 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | Apr 15, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21K1/006
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Method and system of optical manipulation of micrometer-sized objects, which comprises the steps of placing a pattern (2) of a certain material on a surface (1), wherein said material is capable of sustaining surface plasmons; placing a solution (4) comprising micrometer-sized objects in contact with said surface (1) and said pattern (2); applying at least one optical beam (5) at a certain wavelength and with a certain incident angle (Φ) to said surface (1) for certain time interval, thereby creating surface plasmons forces at said surface (1), in such a way that said micrometer-sized objects are trapped by the pattern (2) in a stable and selective way. Optical trap and use thereof as a tool for optically driven lab-on-a-chip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.