We presented the dielectric properties of three m aterials for bio-sample measurem entusing TH z transmission spectroscopy. The m aterials , PE, COC and PV D F, have sufficient transmittance. The results demonstrate ...We presented the dielectric properties of three m aterials for bio-sample measurem entusing TH z transmission spectroscopy. The m aterials , PE, COC and PV D F, have sufficient transmittance. The results demonstrate that PVDF membranes are suitablemedia for TH z transmission spectrum above 0.3 TH 7. However, it is not property m easure the solution sam pie because of the water existed afar active processng by ethanol. In this paper, the refractive hdex, the absorption coefficient, and the corn plex dieieccric functions in the THz region are compared for each material. From the measured dielectric properties, the loss m ethanism of TH z tadiation for each material is also discussed.展开更多
基金The Natural Science Foundation of SZUgrant number:201115+5 种基金National Natural Science Foundation of Chinagrant number:61001185,61078018 and 61001057Foundation of Guangdong,Chinagrant number:LYM10113Research Fund for the Doctoral Program of Higher Educationgrant number:20104408120002
文摘We presented the dielectric properties of three m aterials for bio-sample measurem entusing TH z transmission spectroscopy. The m aterials , PE, COC and PV D F, have sufficient transmittance. The results demonstrate that PVDF membranes are suitablemedia for TH z transmission spectrum above 0.3 TH 7. However, it is not property m easure the solution sam pie because of the water existed afar active processng by ethanol. In this paper, the refractive hdex, the absorption coefficient, and the corn plex dieieccric functions in the THz region are compared for each material. From the measured dielectric properties, the loss m ethanism of TH z tadiation for each material is also discussed.