# ELECTRIC FIELD-INDUCED SPECTRA

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/15027

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 Title: ELECTRIC FIELD-INDUCED SPECTRA Creators: Bridge, N. J.; Dows, David A. Issue Date: 1966 Abstract: Electric field spectra are obtained by modulating the ultraviolet absorption of gases with an alternating electric field, using a lock-in amplifier to select the signal at a frequency double that of the $field^{1, 2}$. With formaldehyde under high resolution the major effect is broadening of the rotational lines of low J; it is thus possible to pick out from the complex absorption spectrum the first members of rotational sub-bands and in this way one can unambiguously assign those subbands (with $K \leq 2$) for which the molecular asymmetry is important. Results are to be presented. URI: http://hdl.handle.net/1811/15027 Other Identifiers: 1966-I-6