| 摘要 |
PROBLEM TO BE SOLVED: To provide fiber Bragg grating having excellent productivity and a method of manufacturing the same.SOLUTION: In fiber Bragg grating 10, bubbles 13 are periodically formed along the longitudinal direction of a core 12a, which is a part of multi core fiber 11. In a method of manufacturing fiber Bragg grating, bubbles 13 are periodically formed along the longitudinal direction of the core 12a, which is a part of the multi core fiber 11 using a fiber fuse phenomenon. |
