NDLI: Monte Carlo Simulation of Light Propagation Through the Troposphere for Free Space Optical Communication

Content Provider	IEEE Xplore Digital Library
Author	Elkamchouchi, H.M. El-Shimy, M.A.
Copyright Year	2006
Description	Author affiliation: Fac. of Eng., Alexandria Univ. (Elkamchouchi, H.M.; El-Shimy, M.A.)
Abstract	Monte Carlo simulation is a stochastic technique used to solve a variety of physical problems. In all applications of the Monte Carlo method, a stochastic model is constructed in which the expected value of a certain random variable is equivalent to the value of a physical quantity to be determined. In this paper Monte Carlo simulations were carried out for light propagation through the atmosphere at wavelength 0.785 mum which is chosen to fall inside transmission windows within the atmospheric absorption spectra. The simulation is based on the random walks that photons make as they travel through the atmosphere, which are chosen by statistically sampling the probability distributions for step size and angular deflection per scattering event. After propagating many photons, the net distribution of all the photon paths yields an accurate approximation to reality. There are some types of weather of the atmosphere that are chosen at which the simulation is held to determine the effect on the propagation of light. Several optical thicknesses were examined between 0.1 and 5, relevant to real atmospheric conditions. Results indicate that the heavy rain or a dense fog will completely stop the passage of optical-frequency radio waves through the troposphere. Therefore optical frequency radio waves will be used only in localities where the atmospheric precipitations are a rare occurrence
Starting Page	1
Ending Page	8
File Size	1803682
Page Count	8
File Format	PDF
ISBN	9775031842
DOI	10.1109/NRSC.2006.386330
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-03-14
Publisher Place	Egypt
Access Restriction	Subscribed
Rights Holder	Academy of Science
Subject Keyword	Optical propagation Terrestrial atmosphere Optical fiber communication Optical scattering Atmospheric modeling Atmospheric waves Stochastic processes Random variables Absorption Discrete event simulation
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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