| Title: | Recent Developments of an Opto-Electronic THz Spectrometer for High-Resolution Spectroscopy |
| Author(s): | Hindle F; Yang C; Mouret G; Cuisset A; Bocquet R; Lampin JF; Blary K; Peytavit E; Akalin T; Ducournau G; |
| Address: | "Universite Lille Nord de France, F-59000 Lille, France; E-Mails: jean-francois.lampin@isen.iemn.univ-lille1.fr (J.F.L.); Karine.Blary@IEMN.Univ-Lille1.fr (K.B.); emilien.peytavit@iemn.univ-lille1.fr (E.P.); Tahsin.Akalin@IEMN.Univ-Lille1.fr (T.A.); Guillaume.Ducournau@iemn.univ-lille1.fr (G.D.)" |
| ISSN/ISBN: | 1424-8220 (Print) 1424-8220 (Electronic) 1424-8220 (Linking) |
| Abstract: | A review is provided of sources and detectors that can be employed in the THz range before the description of an opto-electronic source of monochromatic THz radiation. The realized spectrometer has been applied to gas phase spectroscopy. Air-broadening coefficients of HCN are determined and the insensitivity of this technique to aerosols is demonstrated by the analysis of cigarette smoke. A multiple pass sample cell has been used to obtain a sensitivity improvement allowing transitions of the volatile organic compounds to be observed. A solution to the frequency metrology is presented and promises to yield accurate molecular line center measurements |
| Keywords: | THz gas phase high-resolution spectroscopy photomixing; |
| Notes: | "PubMed-not-MEDLINEHindle, Francis Yang, Chun Mouret, Gael Cuisset, Arnaud Bocquet, Robin Lampin, Jean-Francois Blary, Karine Peytavit, Emilien Akalin, Tahsin Ducournau, Guillaume eng Switzerland 2009/01/01 Sensors (Basel). 2009; 9(11):9039-57. doi: 10.3390/s91109039. Epub 2009 Nov 13" |
