Imaging techniques that utilize mid-infrared (MIR) light obtain their contrast from the molecular resonances of the sample. When each pixel in the image contains spectral information, the resulting data cube [xyw] yields an information rich visualization of chemical content. However, detector technologies designed for the MIR struggle to produce high definition spectral images in real-time. This can be circumvented by detecting the MIR image on a camera designed for visible light. By using non-degenerate two-photon absorption, we demonstrate the acquisition of high-definition spectral data cubes in under a second.
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