Terahertz time-domain spectroscopy of gases, liquids, and solids.

@article{Theuer2011TerahertzTS,
  title={Terahertz time-domain spectroscopy of gases, liquids, and solids.},
  author={Michael Theuer and S. Sree Harsha and Daniel Molter and Garik Torosyan and Rene Beigang},
  journal={Chemphyschem : a European journal of chemical physics and physical chemistry},
  year={2011},
  volume={12 15},
  pages={
          2695-705
        }
}
The techniques and methods employed in the spectroscopic characterization of gases, liquids, and solids in the terahertz frequency range are reviewed. Terahertz time-domain spectroscopy is applied to address a broadband frequency range between 100 GHz and 5 THz with a sub-10 GHz frequency resolution. The unique spectral absorption features measured can be efficiently used in material identification and sensing. Possibilities and limitations of fundamental and industrial applications are… CONTINUE READING

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