Titre :

Direct observation of spin-forbidden transitions through the use of suitably polarized light

Auteur(s) :

Lévêque, Camille [Auteur]
Laboratoire de Chimie Physique - Matière et Rayonnement [LCPMR]
Peláez, Daniel [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Köppel, Horst [Auteur]
Taïeb, Richard [Auteur]
Laboratoire de Chimie Physique - Matière et Rayonnement [LCPMR]

Titre de la revue :

Nature Communications

Pagination :

4126

Éditeur :

Nature Publishing Group

Date de publication :

2015-06-13

ISSN :

2041-1723

Discipline(s) HAL :

Chimie/Chimie théorique et/ou physique

Résumé en anglais : [en]

The study of excited triplet states of a molecular system is a difficult task because accessing them involves forbidden transitions from the singlet ground state. Nevertheless, absorption spectra of many molecules present, ...
Lire la suite >The study of excited triplet states of a molecular system is a difficult task because accessing them involves forbidden transitions from the singlet ground state. Nevertheless, absorption spectra of many molecules present, at low energies, the weak fingerprint of these triplet states. At higher energies this information is usually masked by the intense signal of the singlet states. Here we show, for the specific case of the sulphur dioxide molecule, that the combined use of polarized light and molecular alignment can enhance the triplet part of the spectrum, even making it the only absorption process.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

• Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523

Source :

Harvested from HAL