Electrically controlled optical elements and method
US9594263B2 · kind B2 · utility
3Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2015 |
| Grant date | Mar 14, 2017 |
| Priority date | — |
| Expiry date | Dec 28, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/07
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The effective focal length of an optical system can be electronically controlled using switchable wave plates in conjunction with polarized light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.