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Proceedings Paper

Distributed temperature measurement using a dual-core fiber with an integrated miniature turn-around
Author(s): Xiaoguang Sun; Jie Li; Michael J. Hines
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Paper 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.

Paper Details

Date Published: 12 May 2016
PDF: 5 pages
Proc. SPIE 9852, Fiber Optic Sensors and Applications XIII, 98520R (12 May 2016); doi: 10.1117/12.2223472
Show Author Affiliations
Xiaoguang Sun, OFS (United States)
Jie Li, OFS (United States)
Michael J. Hines, OFS (United States)


Published in SPIE Proceedings Vol. 9852:
Fiber Optic Sensors and Applications XIII
Eric Udd; Gary Pickrell; Henry H. Du, Editor(s)

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