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Volume 20 Issue 4
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 1996 >  20(4): 246-250

Citation:
shu

Image edge enhancement with nonlinear effect of Fourier transformation holography

  • 1.

    Department of Physics, NUPT

  • Received Date: 1995-06-08
    Accepted Date: 1996-03-18
  • This paper theoretically analyzes the Fourier transformation in a Fourier Fraunhofer holograph system and pint out that the normal first order diffraction efficiency η±1 and the beam intensity ratio k has the relationship: .When k =1,the diffraction effectiveness has the maximum.If k<1,the nonlinear hologram can be recorded.The analysis and experiments proved that the nonlinear effect can yield the edge enhancement.
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  • [1] 于美文.光学全息及信息处理,北京:国防工业出版社,1984
    [2]

    Yao S K,Lee S H.J O S A,1971;61(4):474~477
    [3] 沈树群,徐大雄.北京邮电学院学报,1981;(2):74~78
    [4] 冯郁芬.中国激光,1984;11(3):131~134
    [5] 羊国光,左健,吴若.光学学报,1985;5(1):38~42
    [6]

    Kang H,Yang T X,Mu G G.Optik,1990;84(4):131
    [7] 康辉,苏衡,杨方正et al.中国激光,1994,A21(8):657~660
    [8]

    Smith H M.Holographic recording materials.Berlin,Heidelberg,New York:springe-rverlag,1977:34~35,7~8
    [9] Caulfield H J,郑庸等译.光全息手册,北京:科学出版社,1988:333
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Image edge enhancement with nonlinear effect of Fourier transformation holography

  • 1. Department of Physics, NUPT
  • Received Date: 1995-06-08
  • Accepted Date: 1996-03-18
  • Available Online: 1996-07-25

Abstract: This paper theoretically analyzes the Fourier transformation in a Fourier Fraunhofer holograph system and pint out that the normal first order diffraction efficiency η±1 and the beam intensity ratio k has the relationship: .When k =1,the diffraction effectiveness has the maximum.If k<1,the nonlinear hologram can be recorded.The analysis and experiments proved that the nonlinear effect can yield the edge enhancement.

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