When we hear spectrometer, we usually think of some ... But make one out of a webcam, some cheap diffraction grating purchased off ebay and some scrap? Surely not. [Renaud] pulls off this MacGyver ...

Q: What are diffraction gratings? A diffraction grating is an optical component for spectroscopy that splits light into different wavelengths. A typical diffraction grating has thousands of ...

Their work has led to the development of an exceptionally streamlined, diffraction-based computational spectrometer. The research findings, titled "Ultra-simplified diffraction-based computational ...