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.
Authors
- Qi–Ming Qiu (ORCID: https://orcid.org/0000-0002-1060-8859)
- Kun‐Feng Qiu (ORCID: https://orcid.org/0000-0002-3185-9446)
- Zhiyuan Zheng (ORCID: https://orcid.org/0000-0002-8784-1077)
- Haochong Huang (ORCID: https://orcid.org/0000-0002-0897-6695)
- Shanshan Li (ORCID: https://orcid.org/0000-0002-4182-0078)
- Tong Zhang (ORCID: https://orcid.org/0000-0002-6434-0712)
- Huang Ren
- Kexin Pan
- Mingrui Zhang (ORCID: https://orcid.org/0009-0008-3096-6021)
- Chutong Gao
- Lixian Hao
Institutions
- China University of Geosciences (Beijing) (CN)
Publication Details
- Journal
- Applied Spectroscopy
- Published
- 2024-12-26
- DOI
- https://doi.org/10.1177/00037028241306456
- Citations
- 2
- Primary Topic
- Terahertz technology and applications
- Type
- article
- Field-Weighted Citation Impact
- 0.42
Funders
- National Natural Science Foundation of China
- Fundamental Research Funds for the Central Universities