Study on the propagation properties of laser in aerosol based on Monte Carlo simulation

Kun Leng; Wenyuan Wu; Xi Zhang; Yanchun Gong; Yuntao Yang

doi:10.1117/12.2315427

20 February 2018 Study on the propagation properties of laser in aerosol based on Monte Carlo simulation

Kun Leng, Wenyuan Wu, Xi Zhang, Yanchun Gong, Yuntao Yang

Proceedings Volume 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application; 1069728 (2018) https://doi.org/10.1117/12.2315427
Event: Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 2017, Nanjing, China

Abstract

When laser propagate in the atmosphere, due to aerosol scattering and absorption, laser energy will continue to decline, affecting the effectiveness of the laser effect. Based on the Monte Carlo method, the relationship between the photon spatial energy distributions of the laser wavelengths of 10.6μm in marine, sand-type, water-soluble and soot aerosols ,and the propagation distance, visibility and the divergence angle were studied. The results show that for 10.6μm laser, the maximum number of attenuation of photons arriving at the receiving plane is sand-type aerosol, the minimal attenuation is water soluble aerosol; as the propagation distance increases, the number of photons arriving at the receiving plane decreases; as the visibility increases, the number of photons arriving at the receiving plane increases rapidly and then stabilizes; in the above cases, the photon energy distribution does not deviated from the Gaussian distribution; as the divergence angle increases, the number of photons arriving at the receiving plane is almost unchanged, but the photon energy distribution gradually deviates from the Gaussian distribution.

Citation Download Citation

Kun Leng, Wenyuan Wu, Xi Zhang, Yanchun Gong, and Yuntao Yang "Study on the propagation properties of laser in aerosol based on Monte Carlo simulation", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 1069728 (20 February 2018); https://doi.org/10.1117/12.2315427

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