Dynamic coherent nuller
US6882427B1 · kind B1 · utility
2Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2003 |
| Grant date | Apr 19, 2005 |
| Priority date | — |
| Expiry date | Nov 16, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2009/0276
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Embodiments of the present invention are directed to a nuller that is used to significantly reduce or eliminate a monochromatic radiation signal within a polychromatic object field. In one embodiment, a method of nulling a coherent light from a light beam having the coherent light and an incoherent light comprises collimating the light beam having the coherent light and the incoherent light, and destructively interfering the coherent light to null the coherent light with no destructive interference of the incoherent light so as to project the incoherent light without the coherent light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.