Terahertz Time‐Domain Spectroscopy of Gases,Liquids, and Solids |
| |
| Authors: | Dr. Michael Theuer Srikantaiah Sree Harsha Daniel Molter Dr. Garik Torosyan Prof. Dr. René Beigang |
| |
| Affiliation: | 1. Department of Physics and Research Center OPTIMAS, University of Kaiserslautern, 67663 Kaiserslautern (Germany), Fax: (+49)?631‐205‐5102 http://www.physik.uni‐kl.de/beigang;2. Department of Terahertz Measurement and Systems, Fraunhofer Institute for Physical Measurement Techniques IPM, 67663 Kaiserslautern (Germany);3. School of Electrical & Computer Engineering, Oklahoma State University, Stillwater, OK 74078 (USA) |
| |
| Abstract: | ![]()
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 discussed. |
| |
| Keywords: | laser spectroscopy rotational spectroscopy sensors time‐resolved spectroscopy vibrational spectroscopy |
|
|
