[PS-7-19] High-Sensitivity, Short-Length Optical Fiber Refractive-Index Sensor using a Multimode Interference Structure with an End-Face Mirror T. Hashimoto1、S. Taue1、H. Fukano1 (1.Univ. of Okayama (Japan)) https://doi.org/10.7567/SSDM.2013.PS-7-19