| Visibility in magnetostrictive fiber-optic interferometric sensors and its dependence on the input SOP |
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| 作者姓名： | 施长海 陈建平 李新碗 叶爱伦 周俊鹤 张翼 薛青 洪琳 |
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| 作者单位： | The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems Shanghai Jiao Tong University，Shanghai 200030，The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200030，The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200030，The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200030，The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200030，The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200030，The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200030，The State Key Laboratory on Fiber-Optic Local Area Network and Advanced Optical Communication Systems，Shanghai Jiao Tong University，Shanghai 200030 |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China(No. 90204006 and 60377013)the Ministry of Education, China (No. 20030248035)the Science and Technology Committee of Shanghai Municipality (No. 036105009) |
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| 摘 要： | The visibility in magnetostrictive fiber-optic interferometric sensors using a Gaussian laser beam is analyzed. It is shown that the conventional Gaussian laser beam has little influence on the visibility. The visibility depends strongly on the input state of polarization (SOP). We implement a cylindrical transducer and build a measurement setup with a polarization controller. The visibility dependent on the SOP of input light is measured. The estimated values are similar to the experiment results, which verifies the analysis.
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