Abstract
An ion cyclotron resonance (ICR) spectrometer has been used to study the laser photodissociation of molecular oxygen ions trapped in the spectrometer. The transition excited was: ▪ This process was studied as a function of wavenumber over the range 18 083–18 519 cm −1. The photodissociation spectrum for this process is presented which is in broad agreement with an expected spectrum calculated using previously published data from fast ion beam laser spectroscopy (FIBLAS). The resolution of the ICR method is comparable with FIBLAS but our present results are limited by the power of the dye laser used. The advantages and difficulties of the ICR method for these studies are discussed.
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