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本文利用半导体材料吸光谱随温度改变的原理,设计制作了数字显示的光纤测温仪,并对这种光纤温度传感器进行了理论和实验研究。试验结果表明理论计算与实测情况基本一致。研制的仪器在0～20c℃温度范围内,测温精度为±3℃。
In this paper, the optical fiber thermometer with digital display is designed and manufactured based on the principle that the absorption spectrum of semiconductor material changes with temperature. Theoretical and experimental studies on the optical fiber temperature sensor are also done. The test results show that the theoretical calculation and the measured situation are basically the same. Development of the instrument in the 0 ~ 20c ℃ temperature range, temperature measurement accuracy of ± 3 ℃.