| Experimental measurement and numerical analysis of fused taper shape for optical fiber coupler |
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| 作者姓名： | 帅词俊 段吉安 钟掘 |
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| 作者单位： | School of Mechanical and Electrical Engineering, Central South university, Changsha 410083, ChinaQ |
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| 摘 要： | To find out the effect of the shape of fused taper region on the optical fiber coupler, the fiber couplers were fabricated at different drawing speeds with a six-axes fiber coupler machine. The results, which were obtained fi＇om the shape of fused taper region measured with microscope, show that there is a close correlation between the cone angle and optical performance of fiber coupler. High-performance fiber coupler cannot be obtained until rheological shape is controlled accurately. The numerical analysis model, which was built based on generalized Maxwell viscoelastic theory, is resolved with ANSYS software. The calculated results accord with the experimental data. It can apply a theoretic basis for forecasting the shape of fiber coupler fabricated under the conditions of different technological parameters.
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| 关 键 词： | 光纤耦合机 熔融拉锥成型 实验研究 数值分析 流变学 |
| 收稿时间： | 2006-05-10 |
| 修稿时间： | 2006-09-12 |
Experimental measurement and numerical analysis of fused taper shape for optical fiber coupler |
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| Shuai Ci-jun , Duan Ji-an and Zhong Jue.Experimental measurement and numerical analysis of fused taper shape for optical fiber coupler[J].Journal of Central South University of Technology,2007,14(2):251-254. |
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| Authors: | Shuai Ci-jun Duan Ji-an and Zhong Jue |
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| Affiliation: | (1) School of Mechanical and Electrical Engineering, Central South university, Changsha, 410083, China |
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| Abstract: | To find out the effect of the shape of fused taper region on the optical fiber coupler, the fiber couplers were fabricated at different drawing speeds with a six-axes fiber coupler machine. The results, which were obtained from the shape of fused taper region measured with microscope, show that there is a close correlation between the cone angle and optical performance of fiber coupler. High-performance fiber coupler cannot be obtained until rheological shape is controlled accurately. The numerical analysis model, which was built based on generalized Maxwell viscoelastic theory, is resolved with ANSYS software. The calculated results accord with the experimental data. It can apply a theoretic basis for forecasting the shape of fiber coupler fabricated under the conditions of different technological parameters. |
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| Keywords: | optical fiber coupler fused biconical taper viscoelastic model rheological shape |
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