Infrared and Laser Engineering, Volume. 49, Issue 4, 0403005(2020)

Study on backscattering characteristics of pulsed laser fuze in smoke

Huimin Chen... Chao Ma, Bin Qi, Pengyu Guo, Shangxian Yang, Lijuan Gao and Jian Huo |Show fewer author(s)
Author Affiliations
  • Science and Technology on Electromechanical Dynamic Control Laboratory, Beijing Institute of Technology, Beijing 100081, China
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    Figures & Tables(9)
    Particle size distribution of smoke particles
    Efficiency factor curves of smoke particles at the wavelength of 905 nm
    Flowchart of simulation
    Schematic diagram of experimental system
    Set up the experimental system
    Comparison diagrams of simulation and test
    Pulse laser echo intensity at different length of pipes
    Comparison diagrams of simulation and test
    • Table 1. Settings in simulation

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      Table 1. Settings in simulation

      ParametersValue
      Laser fuzeWavelength/nm905
      Pulse width/nm50
      Beam divergence/rad0.005
      Receiving optical lens diameter/mm50
      Emission-receiving distance/mm35
      Receiving field angle/rad0.2
      SmokeDensity/g·cm−31.096
      Complex index of refraction1.750-0.430i
      Particle size/μm3-26
      Parameters of testsConcentration of smoke/ g·m−33、7、10.5、14、18、21、24、28
      Length of pipe/m0.3、0.5、0.8、1.0
      Distance of fuze and smoke/m0.5、1.0、1.5、2.0、2.5、3.0
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    Huimin Chen, Chao Ma, Bin Qi, Pengyu Guo, Shangxian Yang, Lijuan Gao, Jian Huo. Study on backscattering characteristics of pulsed laser fuze in smoke[J]. Infrared and Laser Engineering, 2020, 49(4): 0403005

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    Paper Information

    Received: Feb. 8, 2020

    Accepted: --

    Published Online: May. 27, 2020

    The Author Email:

    DOI:10.3788/IRLA202049.0403005

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