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Title:Time-domain Terahertz Spectrsocopy Of Polycyclic Aromatic Hydrocarbons
Author(s):Carroll, Brandon
Contributor(s):Blake, Geoffrey; McGuire, Brett A.; Finneran, Ian; Ioppolo, Sergio; Allodi, Marco A.
Abstract:Polycyclic aromatic hydrocarbons (PAHs) present themselves as a strong candidate as carriers of the unidentified infrared features (UIRs). As UIR carriers, PAHs may account for up to 20\% of the interstellar carbon budget and may play key roles in many chemical and physical processes in the ISM, and yet our inability to definitively detect PAHs hinders our ability to evaluate the role they may play. A possible solution is observations in the TeraHertz (THz) regime, where observed transitions are specific to each molecule. Recent advances in THz technology have enabled both laboratory spectroscopy and astronomical observations in this region. A first step in both laboratory and astronomical studies of PAHs is the acquisition of spectra of pure PAH samples. Here, we present the THz time-domain spectra (0.3 - 7 THz) of several PAHs, including naphthalene, anthracene, and pyrene, and discuss the utility of these spectra for future laboratory and astronomical studies.
Issue Date:2014-06-17
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:Carroll, B.; Blake, G.; McGuire, B.A.; Finneran, I.; Ioppolo, S.; Allodi, M.A. TIME-DOMAIN TERAHERTZ SPECTRSOCOPY OF POLYCYCLIC AROMATIC HYDROCARBONS. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.TA03
Genre:Conference Paper / Presentation
Rights Information:Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License.
Date Available in IDEALS:2014-09-17

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