Highly Sensitive Temperature Sensor Using PANDA Fiber Sagnac Interferometer

• DOI: 10.1109/jlt.2011.2174195
• Publication Date: 2011-11-01T20:08:21Z
• Authors: Jing Zhang; Xueguang Qiao; Tuan Guo; Yinyan Weng; Ruohui Wang; Yue Ma; Qiangzhou Rong; Manli Hu; Zhongyao Feng
• Keywords: 0103 physical sciences; 01 natural sciences; 7. Clean energy

A Sagnac interferometer based on a short section of PANDA fiber for high sensitivity temperature measurement has been proposed and experimentally demonstrated. The principle this is theoretically analyzed by Jones Matrix. Extremely up to <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex Notation="TeX">${-}$</tex></formula> 1.46 nm/ Notation="TeX">$^{\circ}$</tex></formula> C achieved, together with compact size, capability remote monitoring, makes it good candidate various in-field sensing applications.