Vlivy atmosféry na dostupnost bezkabelového optického spoje

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F09%3APU80450" target="_blank" >RIV/00216305:26220/09:PU80450 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Atmospheric Effects on Availability of Free Space Optics Systems

Popis výsledku v původním jazyce

In the paper, the availability of free space optics (FSO) systems in dependence on weather conditions and on FSO link parameters such as transmitted optical power, beam divergence, receiver sensitivity or link path distance is discussed. A number of phenomena in the atmosphere such as absorption, scattering and turbulence can affect beam attenuation, but in the case of wavelengths typical of FSO systems operation only scattering and turbulence are appropriate to be taken into consideration. In the present work, the power loss caused by turbulence is modeled by using the Rytov scintillation theory. Attenuation due to scattering, which can be expressed as a function of the link distance, wavelength and meteorological visibility, is calculated from visibility data collected at several airports in Europe. Statistical evaluation of the attenuation caused by scattering and the power link margin calculated from FSO link parameters are used for calculating the link availability.

Název v anglickém jazyce

Atmospheric Effects on Availability of Free Space Optics Systems

Popis výsledku anglicky

In the paper, the availability of free space optics (FSO) systems in dependence on weather conditions and on FSO link parameters such as transmitted optical power, beam divergence, receiver sensitivity or link path distance is discussed. A number of phenomena in the atmosphere such as absorption, scattering and turbulence can affect beam attenuation, but in the case of wavelengths typical of FSO systems operation only scattering and turbulence are appropriate to be taken into consideration. In the present work, the power loss caused by turbulence is modeled by using the Rytov scintillation theory. Attenuation due to scattering, which can be expressed as a function of the link distance, wavelength and meteorological visibility, is calculated from visibility data collected at several airports in Europe. Statistical evaluation of the attenuation caused by scattering and the power link margin calculated from FSO link parameters are used for calculating the link availability.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JA - Elektronika a optoelektronika, elektrotechnika

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2009

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Optical Engineering

ISSN

0091-3286

e-ISSN

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Svazek periodika

48

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

12

Strana od-do

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Kód UT WoS článku

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EID výsledku v databázi Scopus

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