太赫兹时域光谱法测定蛋白石含水量的光学和介电性质。

IF 2.2 3区化学 Q2 INSTRUMENTS & INSTRUMENTATION

Applied Spectroscopy Pub Date : 2024-12-26 DOI:10.1177/00037028241306456

ChuTong Gao, Kexin Pan, ZhiYuan Zheng, Ren Huang, Tong Zhang, Lixian Hao, MingRui Zhang, Qiming Qiu, Shanshan Li, HaoChong Huang, Kunfeng Qiu

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引用次数: 0

摘要

利用太赫兹时域光谱研究了不同含水量蛋白石的光学和介电性质。由于含水量的不同，折射率和吸收系数呈现出不同的变化趋势。利用有效介质理论从蛋白石-聚四氟乙烯混合物中提取了蛋白石的本征介电常数。采用双Debye模型拟合提取的介电常数，分析微观弛豫机制。

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Optical and Dielectrical Properties of Opal Water Content Determination Using Terahertz Time-Domain Spectroscopy.

The optical and dielectric properties of opals with different water contents were investigated using terahertz time-domain spectroscopy. The refractive indices and absorption coefficients showed different trends due to the different water contents. The effective medium theory was used to extract the intrinsic dielectric permittivity of opal from opal-polytetrafluoroethylene mixtures. The extracted dielectric permittivities were fitted using a double Debye model to analyze the microscopic relaxation mechanism.

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来源期刊

Applied Spectroscopy 工程技术-光谱学

CiteScore

6.60

自引率

5.70%

发文量

139

审稿时长

3.5 months

期刊介绍： Applied Spectroscopy is one of the world''s leading spectroscopy journals, publishing high-quality peer-reviewed articles, both fundamental and applied, covering all aspects of spectroscopy. Established in 1951, the journal is owned by the Society for Applied Spectroscopy and is published monthly. The journal is dedicated to fulfilling the mission of the Society to “…advance and disseminate knowledge and information concerning the art and science of spectroscopy and other allied sciences.”