Evaluation of the spherical concave mirror and convex lens in compensating turbulence effect on FSO systems

Hulea, Mircea, Ghassemlooy, Zabih, Rajbhandari, Sujan and Tang, Xuan (2014) Evaluation of the spherical concave mirror and convex lens in compensating turbulence effect on FSO systems. In: 9th International Symposium on Communication Systems, Networks and Digital Sign (CSNDSP 2014), 23rd - 25th July 2014, Manchester, UK.

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Abstract

This paper focuses on evaluating the performance of two aperture averaging methods used for compensating the effects of the air turbulence in free space optical (FSO) communications. These methods are based on using a concentration lens and spherical concave mirrors (SCM). The preliminary experimental results show that the quality of the received signal in terms of the Q-factor and the scintillation index is moderately improved when employing a lens in comparison to SCM for all turbulence regimes. However, these results were obtained with different collection areas and focal points. Therefore, a more rigorous approach using lens and SCM with the same aperture diameters and focal lengths needs to be adopted to ensure conclusive results.

Item Type:	Conference or Workshop Item (Paper)
Uncontrolled Keywords:	aperture averaging; atmospheric turbulence; Free space optics; Q-factor
Subjects:	H600 Electronic and Electrical Engineering
Department:	Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User:	Paul Burns
Date Deposited:	04 Dec 2014 15:35
Last Modified:	12 Oct 2019 19:20
URI:	http://nrl.northumbria.ac.uk/id/eprint/18401

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