%0 Journal Article %T Multipoint measurement based on hetero-core structured optical fiber SPR sensor employing OTDR equipment %A Takagi, Keiju %J Proceedings of SPIE %V 7503 %N 1 %P 75031Z-75031Z-4 %@ 0277-786X %D 2009-10-05 %I SPIE %~ DeepDyve