Absorption spectroscopy

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Notion

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Science and technology

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What Wikipedia says

Absorption spectroscopy is spectroscopy that involves techniques that measure the absorption of electromagnetic radiation, as a function of frequency or wavelength, due to its interaction with a sample. The sample absorbs energy, i.e., photons, from the radiating field.

Excerpt from the Wikipedia article “Absorption spectroscopy”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Cmglee, CC BY-SA 3.0, via Wikimedia Commons.