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19 May 2014 Indoor wireless optical communication systems: effect of ambient noise
Nazmi A. Mohamed, Asmaa M. Aly, Ahmed K. AboulSeoud, Moustafa H. Aly
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Optical Engineering, Vol. 53, Issue 5, 055109 (May 2014). https://doi.org/10.1117/1.OE.53.5.055109
Abstract
Many techniques using polarizers, differential detectors, and electrical filters are used to overcome the penalty induced by artificial light interference and are analyzed. These techniques are used to reduce noise current or remove it by using an electrical filter or a polarizer or both of them together. We are going to display the effect of noise voltage, flicker voltage of a tungsten lamp, and signal-to-noise ratio (SNR) of the systems by changing each parameter to reach the best solution for reducing the effect of noise on free space optics. This paper will show that the best SNR is obtained with the differential detector with a two orthogonal polarizer system and that the worst one is with the system of a single photodetector.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Nazmi A. Mohamed, Asmaa M. Aly, Ahmed K. AboulSeoud, and Moustafa H. Aly "Indoor wireless optical communication systems: effect of ambient noise," Optical Engineering 53(5), 055109 (19 May 2014). https://doi.org/10.1117/1.OE.53.5.055109
Published: 19 May 2014
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Cited by 6 scholarly publications.
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KEYWORDS
Signal to noise ratio
Polarizers
Interference (communication)
Sensors
Photodetectors
Modulation
Surface plasmons
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