# ELECTRIC FIELD-INDUCED SPECTRA

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 Title: ELECTRIC FIELD-INDUCED SPECTRA Creators: Bridge, N. J.; Dows, David A. Issue Date: 1966 Publisher: Ohio State University 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. Description: $^{1}$ A. D. Buckingham and D. A. Ramsay, J. Chem. Phys., 42, 3721 (1965). $^{2}$ N. J. Bridge, D. A. Haner and David A. Dows, J. Chem. Phys., 43, 3128 (1966). Author Institution: Department of Chemistry, University of Southern California URI: http://hdl.handle.net/1811/15027 Other Identifiers: 1966-I-6