Meta-optical device and optical apparatus including the same
US11711600B2 · kind B2 · utility
4Cited by
0References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Aug 1, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2207/101
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is a meta-optical device including a meta-lens including a plurality of nano-structures, a band pass filter configured to transmit light of predetermined wavelengths within an operation wavelength band of the meta-lens, and a spacer layer provided between the meta-lens and the band pass filter to support the plurality of nano-structures and to form a separation distance between the meta-lens and the band pass filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.