Normal-to-plane surface plasmon mode for angle-and-polarization independent optomechanical sensing
US12265200B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 27, 2021 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Dec 30, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2207/101
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present example embodiment relates generally to creating a specific nanostructure on a substrate to improve the angle independence of a surface plasmon resonance mode. It may comprise a metamaterial structure comprising nanostructures located in a pattern on or within a substrate. The nanostructures may be paraboloid shaped and periodic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.