Reflective Ladder Topology Network Based on White Light Fiber-Optic Mach-Zehnder Interferometer
Song Li, Ferhati Mokhtar, Li-Bo Yuan
(Photonics Research Center, School of Science, Harbin Engineering University, Harbin 150001, China)
Abstract:
In order to improve the multiplexing capability of the optical sensors based on the lower interferential optic fiber sensing technology and the white light fiber-optic Mach-Zehnder interferometer, reflective ladder topology network (RLT) with tailored formula was proposed. The topology network consists of 6 rungs sensing elements linked by 5 couplers. Two cases with different choices of couplers were contrasted: one is equal coupling ratio, and the other is tailored coupling ratio. Through the simulation of these two cases, the detailed multiplexing capability was analyzed, and accordingly the experiments were also carried out. The simulation results showed that, the tailored formula enhances the multiplexing capability of the structure. In the first case, the maximum number of sensors which can be multiplexed is 8, and in the other case is 12 fiber optic sensors. The experimental results have a good agreement with numerical simulation results. Thus, it is considered expedient to incorporate RLT into large-scale building, grounds, bridges, dams, tunnels, highways and perimeter security.
Key words: fiber-optic sensor white light interferometer multiplexing technique reflective ladder topology network tailored formula
DOI：10.11916/j.issn.1005-9113.2013.03.010
Clc Number:TH744.3
Fund:
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Reflective Ladder Topology Network Based on White Light Fiber-Optic Mach-Zehnder Interferometer
本站小编 哈尔滨工业大学/2019-10-24
相关话题/Reflective Ladder Topology Network Based
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