Yang YU, Zhao-hui ZHANG, Xiao-yan ZHAO, Tian-yao ZHANG. Study on Extraction Method of Terahertz Spectral Parameters of Rough Surface Samples[J]. Spectroscopy and Spectral Analysis, 2022, 42(2): 386
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 2, 386 (2022)
Fig. 1. Transmissive schematic diagram of THz through a sample with parallel and smooth surfaces (a); Transmissive schematic diagram of THz through a sample with rough surfaces (b)
Fig. 2. Absorption waveforms of the #1 α-Lactose sample (a) and the #2 α-Lactose sample (b); Absorption waveforms of the #1 L-Histidine sample (c) and the #2 L-Histidine sample (d)
Fig. 3. Refractive index waveforms of the #1 α-Lactose sample (a) and the #2 α-Lactose sample (b);Refractive index waveforms of the #1 L-Histidine sample (c) and the #2 L-Histidine sample (d)
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Table 1. Information on the α-Lactose and L-Histidine sample
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Table 2. The root-mean-square error (RMSE) of absorption coefficient extracted by the transmission model and the Duvillaret algorithm
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Table 3. The root-mean-square error (RMSE) of refractive index extracted by the transmission model and the Duvillaret algorithm
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