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Opto-Electronic Engineering, Volume. 50, Issue 7, 230089(2023)

Effect of polarized laser illumination on imaging contrast of multilayer thin film structure

Zijian Zhang1,2, Tianyi Wang1,2, Xin Xu1,2, Jixiang Wang1,2, Xin Zhang2, Ruobing Zhang2, Guohua Shi2、*, and Hong Ye2、*
Author Affiliations
  • 1Department of Biomedical Engineering, University of Science and Technology of China, Hefei, Anhui 230026, China
  • 2Jiangsu Key Laboratory of Medical Optics, Suzhou Institute of Biomedical Engineering and Technology Chinese Academy of Sciences, Suzhou, Jiangsu 215163, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
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    Figures & Tables(6)
    Schematic of a multilayer thin film structure

    Fig. 1. Schematic of a multilayer thin film structure

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    (a) The effect of different polarization states; Simulation images for (b) unpolarized light, (c) p-polarized light and (d) s-polarized light at 65° incidence angle

    Fig. 2. (a) The effect of different polarization states; Simulation images for (b) unpolarized light, (c) p-polarized light and (d) s-polarized light at 65° incidence angle

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    [in Chinese]

    Fig. 3. [in Chinese]

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    Effect of different metal coatings with p-polarized lighting. Image contrast of metal coatings with (a) Al, (b) Ag, (c) Au, (d) Co, (e) Cr, (f) Cu, (g) Fe, (h) Pt and (i) Ti at the best polarization incidence angle

    Fig. 4. Effect of different metal coatings with p-polarized lighting. Image contrast of metal coatings with (a) Al, (b) Ag, (c) Au, (d) Co, (e) Cr, (f) Cu, (g) Fe, (h) Pt and (i) Ti at the best polarization incidence angle

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    Simulation of tape and substrate interaction in p-polarized lighting. (a) The optimal image contrast of Fe at different incidence angles; (b) Imaging contrast at different Fe coating thicknesses

    Fig. 5. Simulation of tape and substrate interaction in p-polarized lighting. (a) The optimal image contrast of Fe at different incidence angles; (b) Imaging contrast at different Fe coating thicknesses

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    • Table 1. Optimal imaging contrast under different coating metals

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      Table 1. Optimal imaging contrast under different coating metals

      MetalRefractive index at 488 nm[31]Optimum incidence angle/°Coating thickness/nmSlice thickness/nmContrast using p-polarized lightContrast using unpolarized light
      Al0.77+5.91i6413068153.53.5
      Ag0.05+3.02i6215054684.24.9
      Au1.13+1.84i65864640.51.1
      Co1.86+3.51i65506444.51.6
      Cr2.67+3.28i65366828.71.2
      Cu1.23+2.54i65725648.41.5
      Fe2.72+2.86i65366822.811.0
      Pt0.53+4.28i645862175.13.4
      Ti0.39+3.50i637858226.43.7
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    Zijian Zhang, Tianyi Wang, Xin Xu, Jixiang Wang, Xin Zhang, Ruobing Zhang, Guohua Shi, Hong Ye. Effect of polarized laser illumination on imaging contrast of multilayer thin film structure[J]. Opto-Electronic Engineering, 2023, 50(7): 230089

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    Paper Information

    Category: Article

    Received: Apr. 19, 2023

    Accepted: Jun. 9, 2023

    Published Online: Sep. 25, 2023

    The Author Email:

    DOI:10.12086/oee.2023.230089

    Topics

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