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Optics is the study of light, and its interaction with matter. It includes topics such as imaging systems, fiber optics, lasers, quantum optics, and more.

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Does reflection preserve wavelength?

If a photon at a certain wavelength gets reflected on a surface, does the reflected photon have exactly the same wavelength? If not, what is the distribution of its wavelength? I know about up- and d …
Stephane Bersier's user avatar