Simultaneous measurement of radiation dose and strain based on an erbium-doped fiber ring laser incorporating a fiber Bragg grating

Young Bo Shim; Younghoon Ji; Young-Geun Han

doi:10.1117/12.2058642

2 June 2014 Simultaneous measurement of radiation dose and strain based on an erbium-doped fiber ring laser incorporating a fiber Bragg grating

Young Bo Shim, Younghoon Ji, Young-Geun Han

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91574C (2014) https://doi.org/10.1117/12.2058642
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We propose a sensing scheme of an erbium-doped fiber (EDF) ring laser for multi-monitoring of radiation dose and strain simultaneously. The EDF and fiber Bragg grating (FBG) are exploited as sensing probes for simultaneous measurement of radiation dose and strain. The output power and the lasing wavelength of the proposed EDF laser are changed by increasing the radiation dose and strain, respectively. The radiation and strain sensitivities were measured to be 8.4 dB/km∙Gy and 0.81 pm/με, respectively.

Citation Download Citation

Young Bo Shim, Younghoon Ji, and Young-Geun Han "Simultaneous measurement of radiation dose and strain based on an erbium-doped fiber ring laser incorporating a fiber Bragg grating", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91574C (2 June 2014); https://doi.org/10.1117/12.2058642

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