Focusing device comprising a plurality of scatterers and beam scanner and scope device
US9995930B2 · kind B2 · utility
31Cited by
0References
20Claims
0Family size
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Key dates
| Filing date | Apr 8, 2016 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Oct 4, 2036 |
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.