You can make your own spectroscope by following the instructions shown below! Assemble the diffraction grating end first. Take one of the 4″ × 4″ pieces of foil and tear or cut a small hole in the ...

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 ...

A diffraction grating is used to split the incoming light ... so the webcam sensor can see a specific wavelength. While the spectrometer-from-webcam concept isn’t new, the build is still ...