Lenses with tunable liquid optical elements
US6891682B2 · kind B2 · utility
23Cited by
39References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2003 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | May 5, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/14
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A tunable optical lens includes a solid refractive optical lens, a channel adjacent to the solid refractive optical lens, and an extended body of liquid. A portion of the body forms at least part of an aperture stop for the lens. The portion of the body forms a meniscus that protrudes from or into the channel. The liquid is light-absorbing in the visual spectrum and/or in the near-infrared spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.