| 光纤陀螺消偏结构与偏振度关系的研究 |
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| 引用本文： | 柳建春,高立民,李康,邱仁峰,王骏. 光纤陀螺消偏结构与偏振度关系的研究[J]. 光子学报, 2005, 34(6): 948-951 |
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| 作者姓名： | 柳建春 高立民 李康 邱仁峰 王骏 |
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| 作者单位： | 中国科学院西安光学精密机械研究所,西安,710068;中科院研究生院,北京,100039;中国科学院西安光学精密机械研究所,西安,710068 |
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| 摘 要： | 利用在光源出端加单段保偏光纤和在消偏器后端加Loyt消偏器,可以使进入光纤线圈的光的偏振度降到10－3数量级,降低了因外界因素对线圈中光偏振态的影响而产生的光纤陀螺偏振误差.并用琼斯矩阵计算的方法,分析了光路中四个胶合角与偏振度的关系及每个角度的取值范围.最后探讨了工艺上胶合角度测量与实现.
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| 关 键 词： | 光纤陀螺 消偏 偏振度 琼斯矩阵 |
| 收稿时间： | 2004-10-14 |
| 修稿时间： | 2004-10-14 |
Research on the Relationship Between Depolarized Structure of Fiber Optic Gyros and Degree of Polarity |
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| Liu Jianchun,Gao Limin,Li Kang,Qiu Renfeng,Wang Jun. Research on the Relationship Between Depolarized Structure of Fiber Optic Gyros and Degree of Polarity[J]. Acta Photonica Sinica, 2005, 34(6): 948-951 |
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| Authors: | Liu Jianchun Gao Limin Li Kang Qiu Renfeng Wang Jun |
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| Affiliation: | (1 Xi’ an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences,Xi’ an 710068)
(2 Graduecte School Chinese Academy of Science,Beijing 100039) |
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| Abstract: | By adding Polarization Maintaining Fiber on output terminal of SLD and Loyt depolarizer behind polarizer , the Degree of polarity can be reduced to 10 -3 ,and influence of outside conditions to light-wave′ state of polarization can be reduced too. And by calculating with Jones matrix,the relationship between four joint angles and polarization was discussed, and range of four joint angles was limited. In the end, how to link the fiber-optic and measure the joint angles was discussed. |
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| Keywords: | Fiber-optic gyroscope Depolarization Degree of polarity Jones matrix |
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