| 采用偏振分光棱镜的光桥式补偿技术 |
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| 引用本文： | 戚兵,彭伟,林钧岫,戚非. 采用偏振分光棱镜的光桥式补偿技术[J]. 光电工程, 1998, 0(5) |
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| 作者姓名： | 戚兵 彭伟 林钧岫 戚非 |
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| 作者单位： | 大连理工大学应用物理研究所，大连大学物理系 |
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| 基金项目： | 国家“八·五”科技攻关项目 |
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| 摘 要： | 介绍了一种使用偏振分光棱镜的新型光桥式补偿技术。研究了棱镜消光比变化引起的误差。使用该补偿结构的光纤压力传感器已实际应用于石油化工部门油罐储量计量，其现场运行长期稳定性优于０．２％。
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| 关 键 词： | 偏振棱镜，分光棱镜，光纤传感器，压力传感器，光桥式补偿 |
Optic Bridge Compensation Technique Using a Polarization Splitting Prism |
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| Qi Bing,Peng Wei,Lin Junxiu. Optic Bridge Compensation Technique Using a Polarization Splitting Prism[J]. Opto-Electronic Engineering, 1998, 0(5) |
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| Authors: | Qi Bing Peng Wei Lin Junxiu |
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| Abstract: | A novel optic bridge compensation technique using polarization splitting prism is presented in paper.The errors caused by prism extinction ratio variation are investigated.The optic fiber sensor using the compensation structure has been practically applied to the metric instruments for measuring oil tank reserve in petroleum and chemical departments,its field operating stability is more than 0.2% for a long time. |
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| Keywords: | Polarization prisms Beam splitter prisms Optical fibre sensors Pressure sensors Optic bridge compensation. |
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