標題: A hybrid star-ring architecture for fiber Bragg grating sensor system
作者: Peng, PC
Tseng, HY
Chi, S
光電工程學系
Department of Photonics
關鍵字: fiber Bragg grating (FBG);fiber laser;fiber sensor;sensor network;star-ring architecture
公開日期: 1-Sep-2003
摘要: In this letter, we present a hybrid star-ring architecture for a highly reliable fiber Bragg grating (FBG) sensor system and demonstrate its effectiveness. The main trunk of the proposed sensor network is star topology and the sensing branches comprise a series of concatenated ring subnets. The weakness in reliability of the star network is overcome by the ring subnets with a self-healing function based on the reconfigurable optical switches between each subnet. To enhance the signal-to-noise ratio (SNR) of the sensor system, we adopt a linear-cavity FBG laser scheme to construct our proposed hybrid star-ring architecture. Such a fiber-laser scheme results in the SNR over 48 dB for the sensor network. The network survivability of a ten-point FBG sensor is experimentally examined. It is shown that the proposed FBG sensor system can increase the reliability of a sensing network.
URI: http://dx.doi.org/10.1109/LPT.2003.816699
http://hdl.handle.net/11536/27583
ISSN: 1041-1135
DOI: 10.1109/LPT.2003.816699
期刊: IEEE PHOTONICS TECHNOLOGY LETTERS
Volume: 15
Issue: 9
起始頁: 1270
結束頁: 1272
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