Patent · US Expired

Non-destructive optical trap for biological particles and method of doing same

US4893886A · kind A · utility

111Cited by

4References

5Claims

0Family size

Assignees

American Telephone and Telegraph, Co. · US
AT&T Bell Laboratories · US

Inventors

Arthur Ashkin · Rumson, US
Joseph M. Dziedzic · Clark, US

Key dates

Filing date	Sep 17, 1987
Grant date	Jan 16, 1990
Priority date	—
Expiry date	Sep 17, 2007

Classification

Technology area (CPC G)Physics
CPC primaryG01N15/14
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Biological particles are successfully trapped in a single-beam gradient force trap using an infrared laser. The high numerical aperture lens objective in the trap is also used for simultaneous viewing. Several modes of trapping operation are presented.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.