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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 1065-1068 |
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Bahmeh Z, Zangeneh H R. Atmosphere modeling and pulse laser radar transmission spectrum simulation in cloud clutter. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :1065-1068
URL: http://opsi.ir/article-1-2074-en.html
URL: http://opsi.ir/article-1-2074-en.html
1- Faculty of Physics, University of Kashan
Abstract: (1594 Views)
Performance of pulse laser radar systems is extremely influenced by improper conditions of weather and different kinds of clutter (cloud, fog, smog and so on). Since laser pulses attenuate during propagation through cluttered environment therefore performance of these systems is dependent on laser wavelength. In this paper firstly, we use PCModWin4 software for modeling upper layers of atmosphere then electromagnetic wave transmission spectrum in cloud clutter are drawn in different wavelengths and the best wavelength for favorite distance of propagation is calculated and chosen. To find an optimum wavelength with a transmission close to one for a distance of propagation less than 100 meters (useful in robotic, laser guidance, detection and so forth) is purpose of this research. It is derived that the best wavelength for laser pulses propagation at this distance is 905 nanometers. The laser light in this wavelength is not visible and this is of foremost importance in navigation and aviation, meanwhile being commercially economical.
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