Patent · US Active

Device for trapping or stretching microscopic substance and method thereof

US7843635B2 · kind B2 · utility

0Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 18, 2007
Grant dateNov 30, 2010
Priority date
Expiry dateFeb 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.