Damping of optically levitated particles by feedback and beam shaping
US4092535A · kind A · utility
42Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1977 |
| Grant date | May 30, 1978 |
| Priority date | — |
| Expiry date | Apr 22, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/0007
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An improvement on an optical levitation device is disclosed for damping perturbations of the position of a particle levitated in vacuum. It combines feedback control of the supporting laser beam with adjustment of the beam shape and size in order to damp perturbations in both the vertical and horizontal directions by means of the vertical feedback damping apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.