Device for trapping or stretching microscopic substance and method thereof
US7843635B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2007 |
| Grant date | Nov 30, 2010 |
| Priority date | — |
| Expiry date | Feb 15, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/0094
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention provides a device for trapping or stretching a microscopic substance comprising (a) a light source; (b) an acousto-optic modulator (AOM); (c)a beam-expander; (d) an object lens; and (e) an incoherent light source. The present invention further provides a method for trapping or stretching a microscopic substance comprising (a) providing a focused laser beam to form a focal spot and (b) scanning a plurality of points on said microscopic substance by said focal spot by way of the AOM.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.