Monte Carlo simulation and experimental study on cloud-and-fog backscattering signals

Zhang Jingguo; Gao Chong; Liu Jianxin; Niu Qingpo; Tang Jun

doi:10.3788/HPLPB20122412.2920

Volume 24 Issue 12

Nov. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(12): 2920-2924

Ni Yongzhou, Zhou Guoquan. Vectorial structure characteristics of vortex Lorentz-Gauss beam in far-field[J]. High Power Laser and Particle Beams, 2013, 25: 2241-2246. doi: 10.3788/HPLPB20132509.2241

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Zhang Jingguo, Gao Chong, Liu Jianxin, et al. Monte Carlo simulation and experimental study on cloud-and-fog backscattering signals[J]. High Power Laser and Particle Beams, 2012, 24: 2920-2924. doi: 10.3788/HPLPB20122412.2920

Ni Yongzhou, Zhou Guoquan. Vectorial structure characteristics of vortex Lorentz-Gauss beam in far-field[J]. High Power Laser and Particle Beams, 2013, 25: 2241-2246. doi: 10.3788/HPLPB20132509.2241

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Monte Carlo simulation and experimental study on cloud-and-fog backscattering signals

doi: 10.3788/HPLPB20122412.2920

1.
School of Automation,Northwestern Polytechnic University,Xi’an 710072,China;
2.
China Airborne Missile Academy,Luoyang 471009,China

Received Date: 2012-02-09
Rev Recd Date: 2012-06-13
Publish Date: 2012-11-05

Abstract

Abstract

The cloud-and-fog scattering effect will produce laser signals resulting in false alarm for laser fuse. Based on the Monte-Carlo technology, backscattering signals of clouds and fogs are simulated and compared with results of the experiment carried out in the cloud-and-fog chamber. Results show that the pulse broadening effect mainly introduced by multiple scattering is drastical when the transmitting pulse width is less than 10 ns. And the theoretically calculated data are in good agreement with the experimental data. The temporal shapes are both close to Gaussian shape, and theoretically calculated results differ from experimental results by less than 6% for the width of the backscattering signal and 30% for the intensity of the backscattering signal.
- laser fuse,
- Mie scattering,
- cloud-and fog scattering,
- broadening effect

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