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Volume 28 Issue 5
Sep.  2013
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Citation:
shu

Calculation of detecting spatial object based on Brillouin scattering

  • 1.

    Department of Electronic Information, Sichuan University, Chengdu 610064, China;

  • 2.

    7306 Graduate School, Spaceflight Science and Technology Group of China, Chengdu 610100, China

  • Received Date: 2003-09-24
    Accepted Date: 2003-11-20
  • The paper gives a theoretical method of applying Brillouin scattering principle to detect spatial object.The properties of Brillouin scattering of atmosphere,metal coat of spatial object and concealed material are calculated,analyzed and compared.The result shows that the discrepancy of the frequency shifting of atmosphere,metal coat of spatial object and concealed material is at least more than 10 times,thus it is applicable to use Brillouin scattering to detect spatial objects.The article not only calculates the frequency shifting,but also studies the technique for detection,and adopts a technique of using narrow-band quantum optical filter system to distinguish the scattered light accurately.
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  • [1] 王连亮,任刚,张彬 et al.大气布里渊散射特性研究[J].激光技术,2003,27(4):365～367.[2] WEBER M J.Optical materials[M].Florida:CRC Press, 1986.137,304.[3] 华欣生.介绍一种"全天候"的激光雷达[A].第四届四川省光电技术学术交流会论文集[C].绵阳:中国工程物理研究院,2002.145.[4] CARDONA M,GUNTHERODT G.Light scattering in solids[M].Berlin:Springer-Verlag,1982.187.
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Calculation of detecting spatial object based on Brillouin scattering

  • 1. Department of Electronic Information, Sichuan University, Chengdu 610064, China;
  • 2. 7306 Graduate School, Spaceflight Science and Technology Group of China, Chengdu 610100, China
  • Received Date: 2003-09-24
  • Accepted Date: 2003-11-20
  • Available Online: 2004-09-25

Abstract: The paper gives a theoretical method of applying Brillouin scattering principle to detect spatial object.The properties of Brillouin scattering of atmosphere,metal coat of spatial object and concealed material are calculated,analyzed and compared.The result shows that the discrepancy of the frequency shifting of atmosphere,metal coat of spatial object and concealed material is at least more than 10 times,thus it is applicable to use Brillouin scattering to detect spatial objects.The article not only calculates the frequency shifting,but also studies the technique for detection,and adopts a technique of using narrow-band quantum optical filter system to distinguish the scattered light accurately.

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