Method and apparatus for beam directing
US6493094B2 · kind B2 · utility
2Cited by
10References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2001 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Jun 15, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J9/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Focusing means to focus a beam upon a reflective-transmissive surface. Reflecting means to reflect a central portion of the beam from the reflective-transmissive surface. Transmitting means to transmit a portion of the beam that lies outside the central portion. Receiving means to receive the transmitted portion of the beam and combining means to combine the reflected central portion of the beam with a test beam to generate an interference pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.