Phase compensator for coupling an electromagnetic wave into an optical condenser
US7839497B1 · kind B1 · utility
15Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2006 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Sep 20, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2005/0021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus comprising a phase compensator and an optical condenser in communication with the phase compensator. The phase compensator provides for phase shifting a portion of an electromagnetic wave. The optical condenser is shaped to direct the electromagnetic wave to a focal region of the optical condenser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.