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Double-Ended Calibration of Fiber-Optic Raman Spectra Distributed Temperature Sensing Data


Authors: van de Giesen, N.
Owners: CTEMPs OSU-UNR
Resource type:Composite Resource
Created:Apr 01, 2018 at 6:18 p.m.
Last updated: Apr 09, 2018 at 6:18 p.m. by CTEMPs OSU-UNR

Abstract

Over the past five years, Distributed Temperature Sensing (DTS) along fiber optic cables using Raman backscattering has become an important tool in the environmental sciences. Many environmental applications of DTS demand very accurate temperature measurements, with typical RMSE < 0.1 K. The aim of this paper is to describe and clarify the advantages and disadvantages of double-ended calibration to achieve such accuracy under field conditions. By measuring backscatter from both ends of the fiber optic cable, one can redress the effects of differential attenuation, as caused by bends, splices, and connectors. The methodological principles behind the double-ended calibration are presented, together with a set of practical considerations for field deployment. The results from a field experiment are presented, which show that with double-ended calibration good accuracies can be attained in the field.

Raw project data is available by contacting ctemps@unr.edu

Subject Keywords

Raman,DTS,fiber optic,CTEMPs

How to cite

van de Giesen, N. (2018). Double-Ended Calibration of Fiber-Optic Raman Spectra Distributed Temperature Sensing Data, HydroShare, http://www.hydroshare.org/resource/ce21437f04e648979c8e9f1e68996345

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
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Name Organization Address Phone Author Identifiers
van de Giesen, N.

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