Focusing device comprising a plurality of scatterers and beam scanner and scope device
US10712554B2 · kind B2 · utility
4Cited by
1References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | May 23, 2018 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Nov 21, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/0087
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A focusing device includes a substrate and a plurality of scatterers provided at both sides of the substrate. The scatterers on the both sides of the focusing device may correct geometric aberration, and thus, a field of view (FOV) of the focusing device may be widened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.