Terahertz Nondestructive Detection of the Hidden Layer in Multilayer Medium

Xiuwei YANG; Dehai ZHANG; Siyu LIU; Xiangdong LI; Chuanwen XU

doi:10.3788/gzxb20215003.0312001

Journals >Acta Photonica Sinica >Volume 50 >Issue 3 >Page 119 > Article

Acta Photonica Sinica
Vol. 50, Issue 3, 119 (2021)

Terahertz Nondestructive Detection of the Hidden Layer in Multilayer Medium

Xiuwei YANG^1、2、3, Dehai ZHANG¹, Siyu LIU^1、2, Xiangdong LI³, and Chuanwen XU³

Author Affiliations

¹Key Laboratory of Microwave Remote Sensing， National Space Science Center， Chinese Academy of Sciences， Beijing0090， China

²University of Chinese Academy of Sciences， Beijing100049， China

³Key Laboratory of UWB & THz of Shandong Academy of Sciences， Institute of Automation， Qilu University of Technology （Shandong Academy of Sciences）， Jinan25001， China

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DOI: 10.3788/gzxb20215003.0312001 Cite this Article

Xiuwei YANG, Dehai ZHANG, Siyu LIU, Xiangdong LI, Chuanwen XU. Terahertz Nondestructive Detection of the Hidden Layer in Multilayer Medium[J]. Acta Photonica Sinica, 2021, 50(3): 119 Copy Citation Text

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No.	Method	Thickness/mm	Error/%	Refravtive index	Error/%
1	Mesured value	0.200	1	1.670	0.8
1	Estimated value	0.202	1	1.684	0.8
2	Mesured value	0.200	2.5	1.670	12.8
2	Estimated value	0.205	2.5	1.885	12.8
3	Mesured value	0.200	4	1.670	12.8
3	Estimated value	0.208	4	1.884	12.8
4	Mesured value	0.200	0.15	1.670	1.5
4	Estimated value	0.203	0.15	1.695	1.5
5	Mesured value	0.200	1	1.670	12.7
5	Estimated value	0.202	1	1.882	12.7
6	Mesured value	0.200	1	1.670	0.9
6	Estimated value	0.198	1	1.685	0.9
7	Mesured value	0.200	2	1.670	0.6
7	Estimated value	0.204	2	1.680	0.6
8	Mesured value	0.200	0.5	1.670	0.5
8	Estimated value	0.201	0.5	1.679	0.5

Table 1. The sample thickness， refractive index and quantitative error were obtained by genetic algorithm

Xiuwei YANG, Dehai ZHANG, Siyu LIU, Xiangdong LI, Chuanwen XU. Terahertz Nondestructive Detection of the Hidden Layer in Multilayer Medium[J]. Acta Photonica Sinica, 2021, 50(3): 119

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