The Detection Capability Of Laser Fuze In Fog, Mist, And Haze Using Monte Carlo Simulations

Year 2023, Volume: 04 Issue: 01, 41 - 48, 28.06.2023

Nguyễn Hoang Linh Trung Dung Pham Hong Son Tran Chung Nguyen

Abstract

When choosing a transmission wavelength for proximity fuzes with high precision requirements, the weather condition is an important consideration factor. Although this issue has been addressed previously, there still is some confusion over how different laser wavelengths are attenuated by different types of weather. Hence, the paper developed a laser detection model in different conditions based on the Monte Carlo method to evaluate the detection capability of laser fuzes. As the atmospheric attenuation is a function of the wavelength equation, there is a conception that the laser pulsed fuzes with 1550 nm light suffers from less atmospheric attenuation than 785 or 850 nm laser in all weather conditions (Pratt, 1969). However, in foggy weather (visibility <500 m), the results showed that laser light attenuation appeared to be wavelength independent, i.e. the wavelengths of 785 nm, 850 nm, and 1550 nm are equally all attenuated equally by fog. Furthermore, the simulations also allowed the prediction of transmission, as well as the effects of energy scattering and absorption. With the presentation of the detection capability comparisons, this paper can provide guidance and reference for the application of wavelengths in the laser pulsed fuzes.

Keywords

Atmospheric attenuation, Laser pulse fuze, Monte Carlo, Detection capability

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