What's the meaning of "equivalent temperature" related to a cell containing rubidium and crossed by laser?
What is the difference between Raman scattering and fluorescence? Both phenomena involve the emission of photons shifted in frequency relative to the incident light, because of some energetic ...
What is the reference spectrum? I need to know how to calculate the reference spectrum of a wavelength 500nm.
$s$ is sharp, $p$ for principal, $d$ for diffuse, $f$ for fundamental. Where do all those term come from? I do not see any link with the corresponding shapes.