Multi-path optical fiber sensor for atmospheric pressure - art. no. 68361G

被引：0
|
作者：
Xiao, Shaorong [1 ]
Chang, Jianhua [1 ]
Ben, Fulai [1 ]
机构：
[1] Nanjing Univ Informat Sci & Technol, Sch Elect & Informat Engn, Nanjing 210044, Peoples R China
来源：
MEMS/MOEMS TECHNOLOGIES AND APPLICATIONS III | 2008年 / 6836卷
关键词：
optical fiber sensor; atmospheric pressure measurement; multi-path; sensitivity;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Micrometric displacement sensor with optical fiber was employed to inspect deformation of membrane box with air pressure changing, in order to avoid the defects in inspecting deformation, or improve and optimize performances of the sensors. A multi-path optical fiber sensor was utilized to measure the displacement, so that sensitivity is increased, and a little changing in air pressure may be measured. The relation between optical fiber sensor output changes and atmospheric pressure changes was standardized with a standard air pressure gauge. A setup for measuring atmospheric pressure was formed, the experiment results indicate that measurement range is 500-1060hpa, resolution is 0.2hpa, and accuracy is +/- 0.2hPa.
引用
收藏
页码：G8361 / G8361
页数：6
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