In this paper, we propose a cryogenic optical fiber sensor which can measure temperature at higher resolution using the temperature characteristics of an EDF pumped by a 1480 nm laser diode and modulation of the injection current of the pump laser diode. The measurement resolution considering fluctuations of the light source in the sensor systems is /spl sim/0.4 K near room temperature and /spl sim/0.07 K near liquid nitrogen temperature.
High resolution cryogenic optical fiber sensor system using erbium-doped fiber
2001-01-01
162297 byte
Conference paper
Electronic Resource
English
High Resolution Cryogenic Optical Fiber Sensor System Using Erbium-Doped Fiber
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