Abstract
The author proposed a new multi-point optical sensing system (MPOSS), based on both technologies of optical pass switching and remote power supply to the node using a high-power light source. In this system, the sensing nodes are connected to trunk fiber lines through optical switches (OSW) and the optical pass to a desired node is configured by switching. The light for power supply is received only by the node to be accessed, and significant power can be supplied to the node. The proposed MPOSS allows us to employ various electrical sensors at the nodes without power equipment (batteries et al.). In this paper, it is reported that the configuration and principle of the proposed MPOSS and the basic demonstration results showing OSWs and an optical modulator at the node can be driven by a remote optical power supply.
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