Hyperspectral Dual-Comb Imaging (IMAGE) Optica Caption The researchers used their new direct hyperspectral dual-comb imaging approach to acquire hyperspectral images of ammonia gas escaping from a bottle. The left image shows a photograph of the scene while the right image shows a map of ammonia transmittance extracted from a single interferogram. The inset shows the spectral response measured by the system at a particular pixel. Credit Pedro Martín-Mateos, Universidad Carlos III de Madrid Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.