| 基于强度解调的Fabry－Perot型光纤MEMS压力传感器 |
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| 引用本文： | 葛益娴,王鸣,陈绪兴,李明.基于强度解调的Fabry－Perot型光纤MEMS压力传感器[J].传感技术学报,2006,19(5):1832-1834. |
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| 作者姓名： | 葛益娴 王鸣 陈绪兴 李明 |
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| 作者单位： | 南京师范大学物理科学与技术学院光电技术省重点实验室,南京,210097 |
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| 基金项目： | 江苏省高技术研究发展计划项目 |
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| 摘 要： | 运用微机械系统加工技术制作了一种新型法布里-珀罗干涉型光纤微机电系统压力传感器,该传感器通过测量反射光谱的移动测量压力.运用多腔干涉原理对该传感器进行理论以及模拟分析得出,通过改变压力传感器的尺寸可较容易的调节压力线性测量范围和灵敏度.实验结果表明,在压力线性测量范围0.1～1.0]MBa内,灵敏度可达到12.71 nm/MPa(光谱移动/压力).
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| 关 键 词： | 集成光学 压力传感器 微机电系统 光谱移动 |
| 文章编号： | 1004-1699(2006)05-1832-03 |
| 修稿时间： | 2006年7月1日 |
A novel Fabry-Perot MEMS fiber pressure sensor based on intensity demodulation method interferometry |
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| Ge Yixian,Wang Ming,Chen Xuxing,Li Ming.A novel Fabry-Perot MEMS fiber pressure sensor based on intensity demodulation method interferometry[J].Journal of Transduction Technology,2006,19(5):1832-1834. |
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| Authors: | Ge Yixian Wang Ming Chen Xuxing Li Ming |
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| Affiliation: | Opto-electronic Technology Key Lab, Department of Physical Science and Technology,
Nanjing Normal University, 210097, Nanjing, China |
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| Abstract: | By employing the surface and bulk microelectromechanical system (MEMS) techniques, a simple and miniature optical Fabry-Perot interferometric pressure sensor are designed and demonstrated, where the loaded pressure is gauged by measuring the spectrum shift of the reflected optical signal. From the simulation results based on a multiple cavities interference model, the response range and sensitivity of this pressure sensor can be simply altered by adjusting the size of sensing area. The experimental results show that a high linear response in the range of 0.1~1.0 MPa and a reasonable sensitivity of 12.71 nm/MPa (spectrum shift/pressure) have been obtained in this sensor. |
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| Keywords: | integrated optics pressure sensor MEMS optical spectrum shift |
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