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摘要:
Remote measurement of object orientation is often required in many applications.Out of the six degrees of freedom(DoF)that determine object orientation in space,the roll angle is the most difficult to measure using optical methods.In this letter,we propose a remote Stokes roll-angle sensor that measures roll angles from the detected Stokes vectors of modulated polarized light retroreflected from a sensing unit comprised simply of a retarder and a planar reflection mirror.Experimental results have shown that the proposed sensor can realize absolute roll angle measurement in an unprecedented range of 180°with a maximum absolute error of less than 0.25°and a measurement resolution of better than 0.01°.The proposed sensor adopts a coaxial design and takes the advantages of compactness,simplicity and low cost,and moreover,can be further expanded to a three-DoF angle sensor due to the sensitivity of the sensing unit to other two kinds of angles(pitch and yaw).
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篇名 Remote Absolute Roll-Angle Measurement in Range of 180°Based on Polarization Modulation
来源期刊 纳米制造与计量(英文) 学科 教育
关键词 Roll angle Angle sensor Polarization modulation Stokes polarimeter
年,卷(期) 2020,(3) 所属期刊栏目
研究方向 页码范围 228-235
页数 8页 分类号 G63
字数 语种
DOI
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研究主题发展历程
节点文献
Roll
angle
Angle
sensor
Polarization
modulation
Stokes
polarimeter
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
纳米制造与计量(英文)
季刊
2520-811X
12-1463/TB
出版文献量(篇)
30
总下载数(次)
0
总被引数(次)
0
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