| 改进光纤布拉格光栅传感性能的方法 |
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| 引用本文： | 张华,肖丽丽,冯艳,饶春芳,彭星玲.改进光纤布拉格光栅传感性能的方法[J].南昌大学学报(工科版),2012,34(1):49-52. |
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| 作者姓名： | 张华 肖丽丽 冯艳 饶春芳 彭星玲 |
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| 作者单位： | 南昌大学机电工程学院江西省机器人及焊接自动化重点实验室 |
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| 基金项目： | 国家自然科学基金资助项目(61067003);教育部博士点新教师基金资助项目(20103601120005);江西省自然科学基金资助项目(2010GQC0129);江西省教育厅青年科学基金资助项目(GJJ11035) |
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| 摘 要： | 为了改善金属化保护后光纤Bragg光栅(FBG)的传感性能,采用化学镀后随恒温水浴箱自然冷却的方法减小温度突变。实验表明:改进后化学镀前后其透射谱3 dB带宽为0.129 nm,没有改变,峰值损耗只降低了3.42%,同时其温度传感迟滞误差为1.85%,测量值中最大正反行程差值折算成温度约为1.48℃。
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| 关 键 词： | 光纤Bragg光栅 带宽 损耗 迟滞误差 温度传感 |
Improvement Method of FBG Sensor Performance |
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| ZHANG Hua
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XIAO Li-li
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FENG Yang
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RAO Chun-fang
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PENG Xing-ling.Improvement Method of FBG Sensor Performance[J].Journal of Nanchang University(Engineering & Technology Edition),2012,34(1):49-52. |
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| Authors: | ZHANG Hua XIAO Li-li FENG Yang RAO Chun-fang PENG Xing-ling |
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| Affiliation: | (Key Lab of Robot & Welding Automation,School of Mechatronics Engineering,Nanchang University,Nanchang 330031,China) |
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| Abstract: | In order to improve the performance of metal coated Fiber Bragg Grating(FBG) sensor,the electroless plating FBG was cooled slowly to room temperature with the water in thermostatic bath.It showed that 3 dB bandwidth was 0.129 nm without any change,the peak loss was only reduced by 3.42%,at the same time the hysteresis error was 1.85%,the biggest difference value between positive and negative trip was approximately 1.48 ℃ when it was converted into temperature. |
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| Keywords: | fiber Bragg grating(FBG) bandwidth loss hysteresis error temperature sensing |
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