OPTICAL FIBER CABLE FOR DISTORTION MEASUREMENT, AND MANUFACTURING METHOD THEREOF

摘要

PROBLEM TO BE SOLVED: To provide such an optical fiber cable for distortion measurement having high reliability that a filler is filled in a metal pipe into which an optical fiber is inserted; and to provide a manufacturing method thereof.;SOLUTION: In such an optical fiber cable 10 for distortion measurement that an optical fiber 13 is arranged in a metal pipe 12, the metal pipe 12 has pores 11A for filler injection on a plurality of spots distributed in its longer direction, and a filler 14 is filled in the metal pipe 12, and the optical fiber 13 is held integrally by the metal pipe 12 through the filler 14.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT