Quantum efficiency

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Notion

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Science and technology

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What Wikipedia says

The quantum efficiency (QE) of a photodetector is a measure of its electrical response to light. Another name for it is incident photon to converted electron (IPCE) ratio.

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

Image: Quantum efficiency graph for WFPC2.png : Dicklyon Derivative work : Eric Bajart, CC BY-SA 3.0, via Wikimedia Commons.