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Volume 29 Issue 1
Sep.  2013
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Optimum thickness of air gap of air-spaced polarizing prism

  • 1.

    Department of Physics, Taishan University, Taian 271021, China;

  • 2.

    Institute of Laser Research, Qufu Normal University, Qufu 273165, China

  • Received Date: 2003-12-29
    Accepted Date: 2004-03-15
  • The air gap of polarization prism is influential to the transmissivity of this type of polarizer.Optimized design of the thickness of air gap is very useful to improve e-ray transmission in polarization prism.By means of the Glan-Taylor prism,based on the theory of Fresnel formula and multiple-beam interference,the calculation formulum of e-ray transmissivity in air-spaced prism is put forward.The law of the e-ray transmissivity varing with the air gap thickness is analyzed so that the optimum air gap thickness can be obtained to design an optimum polarizing prism.
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  • [1] 高宏刚,裴庆魁.Glan-Taylor偏光棱镜的设计[J].激光技术,1994,18(3):185～189.
    [2] 波恩M,沃耳夫E.光学原理(上册)[M].北京:科学出版社,1985.61～66.
    [3] 波恩M,沃耳夫E.光学原理(上册)[M].北京:科学出版社,1985.421～429.
    [4] 祁胜文,张春平,张连顺et al.多光束点光源干涉的研究[J].南开大学学报,2002,35(4):60～65.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Optimum thickness of air gap of air-spaced polarizing prism

  • 1. Department of Physics, Taishan University, Taian 271021, China;
  • 2. Institute of Laser Research, Qufu Normal University, Qufu 273165, China
  • Received Date: 2003-12-29
  • Accepted Date: 2004-03-15
  • Available Online: 2005-01-25

Abstract: The air gap of polarization prism is influential to the transmissivity of this type of polarizer.Optimized design of the thickness of air gap is very useful to improve e-ray transmission in polarization prism.By means of the Glan-Taylor prism,based on the theory of Fresnel formula and multiple-beam interference,the calculation formulum of e-ray transmissivity in air-spaced prism is put forward.The law of the e-ray transmissivity varing with the air gap thickness is analyzed so that the optimum air gap thickness can be obtained to design an optimum polarizing prism.

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