(2+1) laser-induced fluorescence of spin-polarized hydrogen atoms

Lykourgos Bougas, Dimitris Sofikitis, Michael A. Everest, Andrew J. Alexander, T. Peter Rakitzis

Research output: Contribution to journalArticlepeer-review


We report the measurement of the spin polarization of hydrogen (SPH) atoms by (2+1) laser-induced fluorescence, produced via the photodissociation of thermal HBr molecules with circularly polarized 193 nm light. This scheme, which involves two-photon laser excitation at 205 nm and fluorescence at 656 nm, offers an experimentally simpler polarization-detection method than the previously reported vacuum ultraviolet detection scheme, allowing the detection of SPH atoms to be performed more straightforwardly, from the photodissociation of a wide range of molecules and from a variety of collision experiments.

Original languageEnglish
Article number174308
Pages (from-to)-
Number of pages5
JournalThe Journal of Chemical Physics
Issue number17
Publication statusPublished - 7 Nov 2010


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