All silicon broadband ultra-violet metasurfaces
US11402543B2 · kind B2 · utility
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Key dates
| Filing date | Jul 9, 2019 |
| Grant date | Aug 2, 2022 |
| Priority date | — |
| Expiry date | Jan 10, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/283
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A device has a substrate transparent to ultraviolet (UV) light, and at least one metalens formed of a material having large permittivity of UV light on the substrate. A device has a UV reflector, a UV transparent film on the reflector, and at least one metalens formed of a material having large permittivity of UV light on the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.