Optical device and method
US12098954B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2020 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Mar 21, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J3/36
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A hyperspectral imaging device (100) is provided comprising an input (102) for receiving a light field from a scene (106), an encoder (108), at least one dispersive element (110, 112), at least one array detector (114, 110) and a processor (118). The encoder (108) is arranged to receive at least a portion of the light field from the input (102) and transform it to provide a first and second encoded light (120, 122) field having different spatial patterns. At least one dispersive element (110, 112) is arranged to apply spectral shear to the first and second encoded light fields (120, 122) respectively to provide first and second sheared light fields (124, 126). At least one array detector (114, 116) is arranged to detect the first and second sheared light fields (124, 126). The processor (118) is arranged to process an output from the at least one array detector (114, 116) to determine a datacube (128) corresponding to a hyperspectral image of the scene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.