Metalens array and spatial positioning method based on metalens array
US11543564B2 · kind B2 · utility
1Cited by
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15Claims
0Family size
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Key dates
| Filing date | Sep 25, 2020 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Dec 8, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure provides a metalens array and a spatial positioning method based on the metalens array. The metalens array includes at least two metalenses, each of the metalenses comprises a plurality of prism cells, each of the prism cells comprises a silicon dioxide substrate and a titanium oxide prism placed on the silicon dioxide substrate, and the plurality of prism cells are arranged periodically.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.