Fiber-Laser-Based Sensor System with Bus-Ring Architecture¹

P. C. Peng^a, *, Y. C. Chen^a, C. H. Jiang^a, and H. H. Lu^{a, b}

^a Department of Electro-Optical Engineering, National Taipei University of Technology,
Taipei, Taiwan, R.O.C.

^b Department of Information Technology and Communication, Tungnan University,
New Taipei City, Taiwan, R.O.C.

*e-mail: pcpeng@ntut.edu.tw

Received April 16, 2012; in final form, May 15, 2012; published online August 1, 2012

Abstract—This work develops and experimentally investigates a novel fiber-laser-based sensor system with a
bus-ring architecture. The bus-ring architecture with a reconfigurable function is designed to overcome the poor
reliability of the ring topology. Numerous ring subnets are used to serve many fiber Bragg grating sensors. The
bus subnet simplifies the interrogation process and time slot assignment. The protection mechanism is illus-
trated with reference to various cases of multiple link failure. Finally, experimental results indicate that the pro-
posed fiber-laser-based sensor system exhibits improved reliability and capacity of the over a large area with
multi-point architecture.

10.1134/S1054660X12090137

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