Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Acta Optica Sinica, Volume. 40, Issue 17, 1711001(2020)

THz Multi-Feature Parameter Imaging of Bonding Defects of High Temperature Composite Materials

Weihua Xiong1,2, Lijuan Li1,2、*, Jiaojiao Ren1,2, Jian Gu1,2, and Dandan Zhang1,2
Author Affiliations
  • 1Key Laboratory of Optoelectric Measurement and Optical Information Transmission Technology of Ministry of Education, School of Opto-Electrnic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 2National Demonstration Center for Experimental Opto-Electronic Engineering Education, Changchun University of Science and Technology, Changchun, Jilin 130022, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (0)
    References (12)
    Cited By (5)
    Tools
    Paper Information
    Topics
    Figures & Tables(9)
    Schematic diagram of sample structure of high temperature composite material. (a) High temperature composite material structure; (b) upper and lower layer defects of high temperature composite material

    Fig. 1. Schematic diagram of sample structure of high temperature composite material. (a) High temperature composite material structure; (b) upper and lower layer defects of high temperature composite material

    Download full size
    Schematic of reflective terahertz

    Fig. 2. Schematic of reflective terahertz

    Download full size
    Introduction of high temperature composite material samples

    Fig. 3. Introduction of high temperature composite material samples

    Download full size
    THz time-domain waveform of feature extraction from different parts of high temperature composite material. (a) Normal bonding area of upper layer; (b) defect bonding area of upper layer; (c) normal bonding area of lower layer; (d) debonding area of lower layer

    Fig. 4. THz time-domain waveform of feature extraction from different parts of high temperature composite material. (a) Normal bonding area of upper layer; (b) defect bonding area of upper layer; (c) normal bonding area of lower layer; (d) debonding area of lower layer

    Download full size
    Experimental imaging results of the upper layer preset defects. (a) Variance imaging; (b) peak-to-peak imaging; (c) energy imaging; (d) coefficient of variation imaging;(e) mean imaging; (f) multi-feature parameter imaging

    Fig. 5. Experimental imaging results of the upper layer preset defects. (a) Variance imaging; (b) peak-to-peak imaging; (c) energy imaging; (d) coefficient of variation imaging;(e) mean imaging; (f) multi-feature parameter imaging

    Download full size
    Physical picture of sample defects. (a) Physical image of the sample defect is not extracted; (b) physical image of the sample defect is extracted

    Fig. 6. Physical picture of sample defects. (a) Physical image of the sample defect is not extracted; (b) physical image of the sample defect is extracted

    Download full size
    Experimental imaging results of the lower layer preset defects. (a) Kurtosis imaging; (b) minimum imaging; (c) amplitude imaging; (d) energy imaging; (e) multi-feature parameter imaging

    Fig. 7. Experimental imaging results of the lower layer preset defects. (a) Kurtosis imaging; (b) minimum imaging; (c) amplitude imaging; (d) energy imaging; (e) multi-feature parameter imaging

    Download full size

    • Table 1. Relative area of defects in different imaging methods%

      View table

      Table 1. Relative area of defects in different imaging methods%

      Imaging methodUp defectrelative areaRight defectrelative areaDown defectrelative areaLeft defectrelative area
      Peak-to-peak imaging25.69.1050.982.6
      Coefficient of variation imaging8.318.102.069.1
      Energy imaging26.80.2636.571.2
      Mean imaging18.411.707.520.8
      Variance imaging46.51.9050.982.6
      Multi-feature imaging7.50.082.352.0

    • Table 2. Comparison of image quality

      View table

      Table 2. Comparison of image quality

      Imaging methodSizing image contrastImaging methodContrast image
      Minimum imaging0.012801Minimum imaging0.001602
      Peak-to-peak imaging0.021021Energy imaging0.008234
      Maximum imaging0.010086Kurtosis imaging0.020341
      Energy imaging0.004179Amplitude imaging0.012108
      Mean imaging0.002157Multi-feature parameter imaging0.042651
      Variance imaging0.000162
      Multi-feature parameter imaging0.054768
    Tools

    Get Citation

    Copy Citation Text

    Weihua Xiong, Lijuan Li, Jiaojiao Ren, Jian Gu, Dandan Zhang. THz Multi-Feature Parameter Imaging of Bonding Defects of High Temperature Composite Materials[J]. Acta Optica Sinica, 2020, 40(17): 1711001

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Set citation alerts for article
    Save article for my favorites
    Paper Information

    Category: Imaging Systems

    Received: Apr. 3, 2020

    Accepted: Jun. 2, 2020

    Published Online: Aug. 24, 2020

    The Author Email: Li Lijuan (custjuan@126.com)

    DOI:10.3788/AOS202040.1711001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology