Compact folded metasurface spectrometer
US11092486B2 · kind B2 · utility
3Cited by
3References
11Claims
0Family size
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Key dates
| Filing date | Dec 7, 2018 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Oct 11, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/1861
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Compact optical devices such as spectrometers are realized with metasurfaces within a dielectric medium confined by reflective surfaces. The metasurfaces control the phase profiles of the reflected electromagnetic waves within the device. In a compact spectrometer, the metasurfaces within the device separate the electromagnetic waves in different wavelengths. The metasurfaces are designed according to their phase profile by varying the size of the array of scatterers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.