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High Sensitivity Fiber Laser Temperature Sensor
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DOI：10.1109/JSEN.2014.2377654.png)
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摘要
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This paper presents an erbium-doped fiber laser temperature sensor, which is based on an intracavity fiber filter immersed in glycerol/water solutions. The sensing element is the intracavity fiber filter, consisting of a two-taper fiber Mach-Zehnder interferometer (MZFI). The high refractive index dispersion of glycerol/water solutions with temperature allowed the modification of the MZFI spectral characteristics and hence determines the lasing wavelength. The sensitivity of 1089 pm/degrees C and a signal-to-noise ratio of 50 dB make the proposed sensor suitable for real applications.
Keyword:
Fiber lasers
interferometry
optical fiber sensors
temperature sensors
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4.5
论文数:
2.2W
被引数:
7.3W
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