Here we showcase a video-rate hyperspectral imager based on a single-pixel photodetector that can achieve high-throughput hyperspectral video recording at a low bandwidth. Specifically, we demonstrate a joint spatial-spectral encoding scheme which can encode the scene into highly compressed single-pixel measurements and obtain temporal correlation at the same time. Since it uses a single photodetector, it is ideal for hyperspectral video imaging in the short-, mid-, and long-wave infrared as well as the terahertz electromagnetic bands.
Nature Communications volume 15, Article number: 1456 (2024)
doi.org/10.1038/s41467-024-45856-1
Capturing fine spatial, spectral, and temporal information of ...