He CAI, Jing ZHANG, Yan ZHENG, Jin-hai SUN, Xu-tao ZHANG, Liang-sheng LI, Yong-qiang LIU, Hong-cheng YIN. The Application of Kamers-Kronig Relation in Time Domain Spectral Measurement of Reflection Terahertz[J]. Spectroscopy and Spectral Analysis, 2021, 41(1): 105
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 1, 105 (2021)
Fig. 1. Fiber coupled TDS system
Fig. 2. Energy distribution curves of two TDS system
Fig. 3. Phase results recovered by Kamers-Kronig relation and MEM method
Fig. 4. Inversion result of silicon wafer’s material parameters
(a): The refractive index; (b): Extinction coefficient; (c): Real part of permittivity; (d): Imaginary part of permittivity
(a): The refractive index; (b): Extinction coefficient; (c): Real part of permittivity; (d): Imaginary part of permittivity
Fig. 5. The absorption spectrum of carbamazepine
Fig. 6. Comparison of refractive index and extinction coefficient of silicon by transmission and reflection measurement
(a): The refractive index; (b): Extinction coefficient
(a): The refractive index; (b): Extinction coefficient
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