Laser & Optoelectronics Progress, Volume. 58, Issue 7, 0720001(2021)

Study on Propagation Characteristics of Gaussian Beam Incident at Brewster Angle

Qiaojue Ye, Xianju Wang*, and Zhanhai Dai
Author Affiliations
  • College of Electronics Engineering, College of Artificial Intelligence, South China Agricultural University, Guangzhou , Guangdong 510642, China
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    Figures & Tables(8)
    Intensity distribution curve of incident Gaussian beam with p polarization
    Model of incident geometry
    Schematic of electric field modulus distribution of reflected and transmitted light in different polarization conditions. (a) s polarization; (b) p polarization
    Electric field modulus in different polarizations. (a) s polarization; (b) p polarization
    Partial enlargement of Fig. 4(b)
    Schematic of electric field modulus distribution of s polarization reflected light and transmitted light under different refractive indices. (a) 1.70;(b) 1.50;(c) 1.33;(d) 1.20
    Schematic of electric field modulus distribution of p polarization reflected light and transmitted light under different refractive indices. (a) 1.70;(b) 1.50;(c) 1.33;(d) 1.20
    • Table 1. Model parameter setting

      View table

      Table 1. Model parameter setting

      DescriptionSymbolExpressionValue
      Wavelengthλ/μm11×10-6
      Frequencyf0/s-1c/λ2.9979×1014
      Spot radiusw0/m10λ1×10-5
      Rayleigh rangez0/mw02π/λ3.1416×10-4
      Refractive index of glassn21.51.5
      Angle of incidenceα/radatan(n2)0.98279
      Propagation widtha/m6w06×10-5
      Propagation lengthb/man29×10-5
      Refracted angleα2/radasin(sin α/n2)0.588
      Wave number in airk0/m-12π/λ6.2832×106
      First wave, y component(air)k1y_air/m-100
      Second wave, x component(air)k2x_air/m-1-k0cos(2α)2.4166×106
      Second wave, y component(air)k2y_air/m-1-k0sin(2α)-5.7999×106
      First wave, x component(glass)k1x_glass/m-1k0n2cos(α-α2)8.6998×106
      First wave, y component(glass)k1y_glass/m-1k0n2sin(α-α2)3.6249×106
      Second wave, x component(glass)k2x_glass/m-1-k0n2cos(α+α2)-5.771×10-10
      Second wave, y component(glass)k2y_glass/m-1-k0n2sin(α+α2)-9.4248×106
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    Qiaojue Ye, Xianju Wang, Zhanhai Dai. Study on Propagation Characteristics of Gaussian Beam Incident at Brewster Angle[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0720001

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    Paper Information

    Category: Optics in Computing

    Received: Aug. 12, 2020

    Accepted: Sep. 10, 2020

    Published Online: Apr. 25, 2021

    The Author Email: Wang Xianju (xianjw@scau.edu.cn)

    DOI:10.3788/LOP202158.0720001

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