Distributed temperature measurement using a dual-core fiber with an integrated miniature turn-around

Xiaoguang Sun; Jie Li; Michael J. Hines

doi:10.1117/12.2223472

12 May 2016 Distributed temperature measurement using a dual-core fiber with an integrated miniature turn-around

Xiaoguang Sun, Jie Li, Michael J. Hines

Author Affiliations +

Proceedings Volume 9852, Fiber Optic Sensors and Applications XIII; 98520R (2016) https://doi.org/10.1117/12.2223472
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, Maryland, United States

Abstract

Double-ended configuration is commonly deployed in Raman-based distributed temperature sensing (DTS) systems to achieve a high accuracy in temperature measurement. To show the feasibility of multicore optical fiber (MCF) in this application, we will demonstrate distributed temperature measurements using a sensor consisting of a dual-core MCF and an integrated, distal end turn-around in a doubled-ended configuration. The dual-core fiber and turn-around, both coated with polyimide, are suitable for high temperature use. Additionally, the device is ideal for long length, distributed temperature detection in confined spaces, with a finished outer diameter of less than 300 μm. The results show that wavelength dependent loss (WDL) is easily removed in the setup and an accurate temperature measurement can be achieved reliably over a wide temperature range.

Citation Download Citation

Xiaoguang Sun, Xiaoguang Sun, Jie Li, Jie Li, Michael J. Hines, Michael J. Hines, "Distributed temperature measurement using a dual-core fiber with an integrated miniature turn-around", Proc. SPIE 9852, Fiber Optic Sensors and Applications XIII, 98520R (12 May 2016); doi: 10.1117/12.2223472; https://doi.org/10.1117/12.2223472

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