Non-degenerate two-photon absorption

id: non-degenerate-two-photon-absorption-307-15217940
title: Non-degenerate two-photon absorption
text: In atomic physics, non-degenerate two-photon absorption or two-color two-photon excitation is a type of two-photon absorption (TPA) where two photons with different energies are (almost) simultaneously absorbed by a molecule, promoting a molecular electronic transition from a lower energy state to a higher energy state. The sum of the energies of the two photons is equal to, or larger than, the total energy of the transition. The probability of ND-TPA is quantified as the non-degenerate two-phot
brand slug: wiki
category slug: encyclopedia
description: Simultaneous absorption of two photons of differing energies by a molecule
original url: https://en.wikipedia.org/wiki/Non-degenerate_two-photon_absorption
date created:
date modified: 2023-08-08T19:39:13Z
main entity: {"identifier":"Q104903129","url":"https://www.wikidata.org/entity/Q104903129"}
image: {"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/b5/Two_Photon_Excitation_Diagram.png","width":1838,"height":653}
fields total: 13
integrity: 15

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