Abstract
Currently the world is experiencing a fast evolution of modern communication and information technologies due to infrastructure development. Consequently, there is a growing need to be able to quickly and resource-efficiently receive, transmit and process information, monitor different physical processes, environment. For this purpose, optical communication systems and optical fiber sensors are directly suitable. This paper focuses on a study of fiber Bragg grating (FBG) optical sensors, with particular emphasis on fiber optical temperature sensors. The experimental part is made of computer simulation by using RSoft OptSim software, during which the temperature effects on five FBG optical sensors central wavelengths are investigated. This developed optical sensors network is combined with an optical transmission system on one shared 20 km long optical fiber. Here the coexistence of multiple sensor network and 50 GHz spaced 4-channel non-return-to-zero (NRZ) intensity modulated wavelength division multiplexed (WDM) optical communication system with 10 Gbit/s downstream transmission is investigated and evaluated.
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