Simulation of fiber Bragg grating sensing networks using code division multiplexing and wavelength division multiplexing

被引：0
|
作者：
Li D. [1 ,2 ]
Sui Q. [1 ,2 ]
Jia L. [1 ,2 ]
机构：
[1] School of Control Science and Engineering, Shandong University, Jinan
[2] Optical Fiber Sensor Technology and Engineering Research Center, Shandong University, Jinan
来源：
Guangxue Xuebao/Acta Optica Sinica | 2010年 / 30卷 / SUPPL.期
关键词：
Code division multiplexing; Fiber Bragg grating sensing network; Fiber optics; Measuring point coding method; Wavelength division multiplexing;
D O I：
10.3788/AOS201030.s100212
中图分类号：
学科分类号：
摘要：
A fiber Bragg grating (FBG) sensing network using code division multiplexing (CDM) and time division multiplexing (TDM) increases the multiplying density, but decreases the network's dynamic performance and is difficult to be implemented in engineering for its complex structure. A new kind of FBG sensing network using CDM and wavelength division multiplexing (WDM) by coding measuring points directly with 2D-CDMA codes is proposed, which increases the multiplying density while does not influence its dynamic performance and is easy to be implemented in engineering for its simple structure. Simulation experiment indicates that in a spectral range of 10 nm, 49 FBG sensors can be arranged in this type of sensing network, and the measuring range of every sensor reaches 10 nm.
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