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23 February 2011 New experimental methods in terahertz spectroscopy
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Proceedings Volume 7938, Terahertz Technology and Applications IV; 793803 (2011)
Event: SPIE OPTO, 2011, San Francisco, California, United States
Spectroscopic studies are useful in a range of areas, from remote sensing and radio astronomy to the medical community. Since spectroscopy can provide information used to identify chemicals, new techniques have been developed for high-resolution measurements of chemical absorption frequencies. These high-resolution measurements not only enhance accuracy of the molecule's energy level transitions, but also allow for environmental information to be gathered through collisional broadening of the spectral lines. High-resolution measurements, made possible by far-infrared lasers coupled with Schottky diodes, were supplemented with data taken by variable pathlength FTIR measurements in the terahertz region. Chemicals investigated include methanol, nitromethane, water and its isotopes.
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E. J. Slingerland, T. M Goyette, R. H. Giles, and W. E. Nixon "New experimental methods in terahertz spectroscopy", Proc. SPIE 7938, Terahertz Technology and Applications IV, 793803 (23 February 2011);

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