Laser & Optoelectronics Progress, Volume. 60, Issue 9, 0930003(2023)
Application of Terahertz Spectroscopy in Porosity Detection of Polyolefin Films
Fig. 1. Composition diagram of mixture sample prepared for THz-TDS system[10]
Fig. 2. Wiener bounds model[12]
Fig. 3. Thin film thickness extraction of cathode coating for lithium battery. (a) THz-TDS signal and EEMD fitting results; (b) dual time-domain signal after decomposition
Fig. 4. Relationship between porosity and permittivity using common effective medium models
Fig. 5. Simulation results of effective medium model. (a) Fitting with permittivity detection results; (b) absolute error value
|
|
|
|
|
|
Get Citation
Copy Citation Text
Qing Li, Mingxia He. Application of Terahertz Spectroscopy in Porosity Detection of Polyolefin Films[J]. Laser & Optoelectronics Progress, 2023, 60(9): 0930003
Category: Spectroscopy
Received: Mar. 25, 2022
Accepted: May. 12, 2022
Published Online: May. 9, 2023
The Author Email: He Mingxia (hhmmxx@tju.edu.cn)