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Investigation of aqueous acetone solution with THz pulse spectroscopy |
Jinxin BIAN, Yiming ZHU( ), Xiaoxuan JIA, Lin CHEN, Yan PENG, Yongcai YANG, Songlin ZHUANG |
| Engineering Research Center of Optical Instrument and System, Ministry of Education, Shanghai Key Laboratory of Modern Optical System, University of Shanghai for Science and Technology, Shanghai 200093, China |
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Abstract The absorption spectra from 0.2 to 1.7 THz of five water-acetone mixtures, whose concentrations are 0%, 25%, 50%, 75%, and 100%, has been investigated by THz time-domain spectroscopy (THz-TDS). The result indicates that of acetone solutions with different concentrations have different absorption for THz radiation, which is analyzed and attributed to the variation of the hydrogen bond. Furthermore, we also find the absorption of the water-acetone mixture almost linearly increases with the increase of water concentration in the THz range.
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| Keywords
THz time-domain spectroscopy (THz-TDS)
relative absorption coefficient
aqueous acetone solution
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Corresponding Author(s):
ZHU Yiming,Email:ymzhu@usst.edu.cn
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Issue Date: 05 December 2011
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