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Dielectric waveguide spectrometer for absorption spectroscopy of reactive vapors at microwave frequencies

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1 Author(s)
Longo, I. ; Istituto di Fisica Atomica e Molecolare del CNR, via del Giardino 7, 56127 Pisa, Italy

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.1143222 

Experiments of microwave spectroscopy of gases at low pressures are performed with some advantages using dielectric waveguide cells. The construction of an improved version of a dielectric waveguide spectrometer is described. Details on the experimental methods utilized for gas handling and for the observation of some absorption lines of HNO3, O3, and H2O in the 18–26.5‐GHz frequency band, and of the CS radical at 49 GHz are given.

Published in:

Review of Scientific Instruments  (Volume:63 ,  Issue: 9 )