Forward-headed structure change of acetic acid–water binary system by stimulated Raman scattering

The acetic acid–water binary system is a classical hydroxy–carboxy mixed system, while new and interesting phenomena appear under stimulated Raman scattering (SRS). Compared with the weaker signal of the acetic acid–water binary system obtained in spontaneous Raman scattering, SRS provides a finer b...

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Bibliographic Details
Published in:Chinese physics B 2019-09, Vol.28 (9), p.94206
Main Authors: Liu, Zhe, Yang, Bo, Zhao, Hong-Liang, Li, Zhan-Long, Men, Zhi-Wei, Wang, Xiao-Feng, Wang, Ning, Cao, Xian-Wen, Wang, Sheng-Han, Sun, Cheng-Lin
Format: Article
Language:English
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Summary:The acetic acid–water binary system is a classical hydroxy–carboxy mixed system, while new and interesting phenomena appear under stimulated Raman scattering (SRS). Compared with the weaker signal of the acetic acid–water binary system obtained in spontaneous Raman scattering, SRS provides a finer band and a relatively distinct structural transition point. The structural transformation points are respectively at 30% and 80% by volume ratio under the condition of spontaneous Raman spectroscopy, while they are respectively at 15% and 25% under the condition of SRS. This phenomenon is attributed to the generation of laser induced plasma and shockwave induced dynamic high pressure environment during SRS.
ISSN:1674-1056
DOI:10.1088/1674-1056/ab3279