Impact of fiber ring laser configuration on detection capabilities in FBG based sensor systems

Tomasz Osuch; Tomasz Kossek; Konrad Markowski

doi:10.1117/12.2076077

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25 November 2014 Impact of fiber ring laser configuration on detection capabilities in FBG based sensor systems

Tomasz Osuch, Tomasz Kossek, Konrad Markowski

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Proceedings Volume 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014; 92900Y (2014) https://doi.org/10.1117/12.2076077
Event: Symposium on Photonics Applications in Astronomy, Communications, Industry and High-Energy Physics Experiments, 2014, Warsaw, Poland

Abstract

In this paper fiber ring lasers (FRL) as interrogation units for distributed fiber Bragg grating (FBG) based sensor networks are studied. In particular, two configurations of the fiber laser with erbium-doped fiber amplifier (EDFA) and semiconductor optical amplifier (SOA) as gain medium were analyzed. In the case of EDFA-based fiber interrogation systems, CW as well as active-mode locking operation were taken into account. The influence of spectral overlapping of FBGs spectra on detection capabilities of examined FRLs are presented. Experimental results show that the SOA-based fiber laser interrogation unit can operate as a multi-parametric sensing system. In turn, using an actively mode-locked fiber ring laser with an EDFA, an electronically switchable FBG based sensing system can be realized.

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Tomasz Osuch, Tomasz Kossek, and Konrad Markowski "Impact of fiber ring laser configuration on detection capabilities in FBG based sensor systems", Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 92900Y (25 November 2014); https://doi.org/10.1117/12.2076077

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