Applied Physics B

, Volume 107, Issue 4, pp 1043–1052 | Cite as

Photodissociation of trapped \(\mathrm{H}_{2}^{+}\) ions for REMPD spectroscopy

Article

Abstract

We study the photodissociation of trapped \(\mathrm{H}_{2}^{+}\) ions by 248 nm light from an excimer laser. Our results are in good agreement with calculated populations and photodissociation cross sections of the involved vibrational levels and yield a determination of the ion cloud radius. These data are used to obtain a reliable estimate of the efficiency of the resonance-enhanced multiphoton dissociation (REMPD) scheme in our \(\mathrm{H}_{2}^{+}\) vibrational spectroscopy experiment. We go on to estimate the expected signal-to-noise ratio and discuss future improvements of the experimental setup.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  1. 1.Laboratoire Kastler BrosselUPMC-Paris 6, ENS, CNRSParisFrance
  2. 2.Université d’Evry Val d’EssonneEvryFrance

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