In-fiber Michelson Interferometer Based on Thin-core Fiber Combined with an End-face Mirror
An in-fiber Michelson interferometer (IFMI) is proposed and experimentally demonstrated.The configuration is formed by a thin-core fiber (TCF) following with a single mode fiber whose end tip is covered by a thick silver film as a mirror.The TCF excites cladding modes into downstream SMF via the mismatch-core splicing interface,and the low-order cladding modes can be reflected back to the fiber core via the mirror.A well-defined interference pattern is obtained due to the interference of between core and cladding modes.Experimental results represent that the device is linearly sensitive to the ambient temperature variation,and the selected interference dip of 1530nm represents a temperature sensitivity of 67.59pm/℃.The IFMI is compact and simple,and is a good candidate for ambient temperature measurement.
Optics fiber sensor Temperature measurement
Wen Fu Yao Hou Liang Guo Qiangzhou Rong
Department of Physics, Northwest University, Xian 710069, P R China
国际会议
太原
英文
202-207
2013-01-13（万方平台首次上网日期，不代表论文的发表时间）