Rapid-scanning terahertz precision spectrometer with more than 6 THz spectral coverage

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2009
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Optics Express. 2009, 17(25), pp. 22847-22854. Available under: doi: 10.1364/OE.17.022847
Zusammenfassung

We report a terahertz time-domain spectrometer with more than 6 THz spectral coverage and 1 GHz resolution based on high-speed asynchronous optical sampling. It operates at 2 kHz scan rate without mechanical delay stage. The frequency error of the system at 60 s acquisition time is determined by comparing a measured water vapor absorption spectrum to data reported in the HITRAN database. The mean error of 87 evaluated absorption lines is 142 MHz.

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530 Physik
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Spectroscopy, Terahertz, Ultrafast spectroscopy, Ultrafast lasers
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ISO 690KLATT, Gregor, Raphael GEBS, Christof JANKE, Thomas DEKORSY, Albrecht BARTELS, 2009. Rapid-scanning terahertz precision spectrometer with more than 6 THz spectral coverage. In: Optics Express. 2009, 17(25), pp. 22847-22854. Available under: doi: 10.1364/OE.17.022847
BibTex
@article{Klatt2009Rapid-4975,
  year={2009},
  doi={10.1364/OE.17.022847},
  title={Rapid-scanning terahertz precision spectrometer with more than 6 THz spectral coverage},
  number={25},
  volume={17},
  journal={Optics Express},
  pages={22847--22854},
  author={Klatt, Gregor and Gebs, Raphael and Janke, Christof and Dekorsy, Thomas and Bartels, Albrecht}
}
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