| 光纤S型环形腔的非互易性分析 |
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| 引用本文： | 罗家童,钱景仁. 光纤S型环形腔的非互易性分析[J]. 中国科学技术大学学报, 2003, 33(2): 204-208 |
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| 作者姓名： | 罗家童 钱景仁 |
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| 作者单位： | 中国科学技术大学电子工程与信息科学系,合肥,230026 |
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| 基金项目： | 国家自然科学基金 (No :6 0 1770 2 4 )资助项目 |
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| 摘 要： | 用功能块模型的方法详细分析了由于转动而引起的萨格纳克(Sagnac)非互易效应对光纤S型环形腔输出频谱特性的影响。光纤S型环形腔在一定的条件下具有双峰结构，由于转动而产生的非互易效应，会使双峰的间距发生变化，间距的大小与转速近似成正比。
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| 关 键 词： | 光纤S型环形腔 Sagnac非互易效应 输出频谱 双峰结构 拍频 功能块模型 |
| 文章编号： | 0253-2778(2003)02-0204-05 |
Non-reciprocity Analysis of an Optical Fiber S-Shaped Resonator |
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| LUO Jia-tong,QIAN Jing-ren. Non-reciprocity Analysis of an Optical Fiber S-Shaped Resonator[J]. Journal of University of Science and Technology of China, 2003, 33(2): 204-208 |
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| Authors: | LUO Jia-tong QIAN Jing-ren |
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| Abstract: | The non-reciprocity characteristics of an optical fiber S-shaped resonator are analyzed theoretically using functional block diagram method. The ranges of the two couplers' beam splitter ratio under the second resonance condition are attained, while two peaks of the output spectrum exist. Under this condition, the space of the two peaks will be changed due to rotation and the beat frequency of the two peaks of the S-shaped resonator is nearly proportional to rotation rate. Using this characteristic, fiber optic non-reciprocity effect can be easily measured. The characteristics of an optical fiber gyroscope based on an S-shaped resonator are also discussed. |
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| Keywords: | optical fiber non-reciprocity fiber optical gyro (FOG) beat frequency S-shaped resonator |
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