High-throughput hyperspectral imaging with superior resolution and optical sectioning
US9395293B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2015 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Jan 12, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30004
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An imaging system includes a light source configured to illuminate a target and a camera configured to image light responsively emitted from the target and reflected from a spatial light modulator (SLM). The imaging system is configured to generate high-resolution, hyperspectral images of the target. The SLM includes a refractive layer that is chromatically dispersive and that has a refractive index that is controllable. The refractive index of the refractive layer can be controlled to vary according to a gradient such that light reflected from the SLM is chromatically dispersed and spectrographic information about the target can be captured using the camera. Such a system could be operated confocally, e.g., by incorporating a micromirror device configured to control a spatial pattern of illumination of the target and to modulate the transmission of light from the target to the camera via the SLM according to a corresponding spatial pattern.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.