Tuo XU, Xing-Xing LU, Yan SHEN, Jin-Bo ZHANG, Tian-Ying CHANG, Hong-Liang CUI, Jin ZHANG. Study on terahertz spectral properties of pores in glass fiber composites[J]. Journal of Infrared and Millimeter Waves, 2023, 42(2): 201
- Journal of Infrared and Millimeter Waves
- Vol. 42, Issue 2, 201 (2023)
Fig. 1. Samples of glass fiber composites
Fig. 2. Schematic diagram of terahertz transmission time domain spectral system
Fig. 3. Pore morphology: (a) and (c) show the metallographic micrographs, (b) and (d) show the binary images after pore segmentation corresponding to (a) and (c)
Fig. 4. Histograms of pore length distribution (a) and (c) correspond to (b) and (d) in Fig.3 respectively
Fig. 5. The relationship between porosity and refractive index
Fig. 6. The relationship between porosity and (a) extinction coefficient, (b) transmission coefficient at 0.075 THz
Fig. 7. The relationship between porosity and (a) extinction coefficient, (b) transmission coefficient at 0.713 THz
Fig. 8. The relationship between extinction coefficient and frequency
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Table 1. The results of porosity measured by density method
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Table 2. The pore length
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