Feasibility evaluation of multi-point sensing for hetero-core spliced optical fiber sensor using the internet-standard protocol

This paper describes a feasibility evaluation of multi-point sensing for hetero-core spliced (HC) optical fiber sensor network by using the internet-based protocol. This sensor is able to serve as a medium for data communications and as a sensor in the same fiber line simultaneously. In our previous study, we have successfully developed an optical fiber sensor network integrating data communications and sensing function using the (HC) optical fiber sensor. In order to extend the application of sensor network and remotely manage it, a network management method is required. We proposed and constructed an internet-based remote data acquisition sensor network by using one of the standard operation and maintenance protocols for the internet - Simple Network Management Protocol. This study aims to distinguish the status of fiber optics sensors for the management of the sensor network. The sensor network has been verified and the results demonstrated that the data communications is successfully performed in the systems while distinguishing status of HC optical fiber sensors.