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dc.creatorGraff, David L.en_US
dc.creatorNeese, Christopher F.en_US
dc.creatorMedvedev, Ivan R.en_US
dc.creatorDe Lucia, Frank C.en_US
dc.date.accessioned2009-07-29T12:56:28Z
dc.date.available2009-07-29T12:56:28Z
dc.date.issued2009en_US
dc.identifier2009-TI-11en_US
dc.identifier.urihttp://hdl.handle.net/1811/38258
dc.descriptionAuthor Institution: The Ohio State University, Department of Physics, Columbus, Ohio 43210en_US
dc.description.abstractSub-millimeter/THz spectroscopy has long been viewed as a promising technique for chemical analysis given its high information content. For line-widths of 0.6~MHz, there exist 100,000 resolution elements in 60~GHz of spectral space. However, the analysis of large and complex molecules requires the identification of molecules with small rotational constants and/or many low energy vibrational and torsional states. This leads to spectra characterized by high line densities and large partition functions, potentially populating nearly every resolution element with weak lines. Here we report on a study of spectral congestion and will compare data and information taken from high resolution techniques that depend upon the narrow line-widths of individual lines for detection, modulation schemes based on the near universality of strong Stark modulation in large molecules at high $J$, and absolute absorption measurements based on cavities.en_US
dc.language.isoEnglishen_US
dc.publisherOhio State Universityen_US
dc.titleSUB-MILLIMETER/THZ SPECTROSCOPY AT THE CONGESTION LIMITen_US
dc.typeArticleen_US


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