Multilayer optical element for controlling light
US11841520B2 · kind B2 · utility
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29Claims
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Key dates
| Filing date | Feb 2, 2018 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Jul 14, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2207/101
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A multilayer optical element comprises a plurality of layers arranged along an optical axis, each layer having a plurality of nanostructures, wherein a size of—, and a spacing between—, the nanostructures is selected to provide a resonant response to an optical field at different wavelengths for different layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.