Fiber optic temperature sensing with enhanced sensitivity based on spectral interferometry

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• 作者：J. Militky ; M. Kadulova ; D. Ciprian ; P. Hlubina ; ^{petr.hlubina@vsb.cz}
• 关键词：Spectral interferometry ; Channeled spectrum ; Birefringent fiber ; Birefringent crystal ; Temperature sensing ; Wavelength interrogation
• 刊名：Optical Fiber Technology
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：33
• 期：Complete
• 页码：45-50
• 全文大小：1030 K
• 卷排序：33

文摘

Fiber optic temperature sensing with enhanced sensitivity based on spectral interferometry is proposed and demonstrated. A temperature sensor employs a tandem configuration of a birefringent quartz crystal and highly birefringent fiber. A modified channeled spectrum is generated, which shifts with the temperature change and the wavelength interrogation is used. The temperature sensing is with enhanced sensitivity in comparison to that for a standard measurement.