High capacity fiber optic sensor networks using hybrid multiplexing techniques and their applications
2013
Fiber optic sensor network is the development trend of fiber senor technologies and industries. In this paper, I will
discuss recent research progress on high capacity fiber sensor networks with hybrid multiplexing techniques and their
applications in the fields of security monitoring, environment monitoring, Smart eHome, etc. Firstly, I will present the
architecture of hybrid multiplexing sensor passive optical network (HSPON), and the key technologies for integrated
access and intelligent management of massive fiber sensor units. Two typical hybrid WDM/TDM fiber sensor networks
for perimeter intrusion monitor and cultural relics security are introduced. Secondly, we propose the concept of
“Microstructure-Optical X Domin Refecltor (M-OXDR)” for fiber sensor network expansion. By fabricating smart
micro-structures with the ability of multidimensional encoded and low insertion loss along the fiber, the fiber sensor
network of simple structure and huge capacity more than one thousand could be achieved. Assisted by the WDM/TDM
and WDM/FDM decoding methods respectively, we built the verification systems for long-haul and real-time
temperature sensing. Finally, I will show the high capacity and flexible fiber sensor network with IPv6 protocol based
hybrid fiber/wireless access. By developing the fiber optic sensor with embedded IPv6 protocol conversion module and
IPv6 router, huge amounts of fiber optic sensor nodes can be uniquely addressed. Meanwhile, various sensing
information could be integrated and accessed to the Next Generation Internet.
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