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Gaussian optical design of a submillimeter-wave and far-infrared laser sideband heterodyne spectrometer |
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| Authors: | W. Chen R. Rocquet J. Burie D. Boucher |
| Affiliation: | (1) Laboratorie de Physicochimie de l’Atmosphere MREID, Université du Littoral, 145, Route du Pertuis d’Amont, 59140 Dunkerque, France;(2) Laboratoire de Spectroscopie Hertzienne, Université des Sciences et Technologies de Lille, 59655 Villeneuve d’Ascq, France |
| Abstract: | A submillimeter-wave/far-infrared (SMM/FIR) laser sideband heterodyne spectrometer has been built for molecular rotational spectroscopy application in the frequency range of 600–3000 GHz. Based on Gaussian optics, optical system of the spectrometer is designed to be quasi-achromatic and low losses. In this article the optical design and the performance of the spectrometer are presented. |
| Keywords: | Quasi-optics techniques Far-infrared Gaussian beam hctcrodyne detection laser sideband spectrometer |
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