Rauschenbach, U. J. and Semenov, A. and Schleicher, W. J. and Renk, Karl F. (1997) Heterodyne submillimeter wave spectroscopy of formic acid with backward-wave oscillators. INFRARED PHYSICS & TECHNOLOGY, 38 (3). pp. 139-143. ISSN 1350-4495
Full text not available from this repository.Abstract
We report on a heterodyne submillimeter-wave spectrometer for laboratory studies of gases in the frequency range 280-450 GHz. The spectrometer with two backward-wave oscillators as radiation sources has been used for the measurement of transmission spectra of gaseous formic acid in the frequency range 314-317 GHz. We observed theoretically predicted absorption lines corresponding to rotational transitions of the R-a(J = 13-14, Delta K-a = 0) branch. We determined for the transition 13(3,10)-14(3,11) the line intensity (similar to 4.6.10(-22) cm/molecule) and the pressure broadening coefficient (10.5 MHz/Torr). (C) 1997 Elsevier Science B.V.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ACETIC-ACIDS; ATMOSPHERE; heterodyne spectroscopy; formic acid; backward-wave oscillator |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Karl F. Renk |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 11 May 2023 08:56 |
| Last Modified: | 11 May 2023 08:56 |
| URI: | https://pred.uni-regensburg.de/id/eprint/50947 |
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