Abstract

Recent development of high sensitivity high resolution infrared laser spectroscopy has led us to spectroscopic observations of ionic species that had not previously been studied in any spectral region. Using this method to study highly reactive carbo-ions such as ${\text{CH}}_3^{+}$, HCCH⁺, ${\text{C}}_2{\text{H}}_3^{+}$, and ${\text{C}}_2^{-}$ is discussed.

© 1989 Optical Society of America