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Relationship between rheological manufacturing process and optical performance of optical fiber coupler

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Abstract

Through theoretical analysis and experiments, the viscoelastic mechanical model of optical fiber coupler in the process of fused biconical taper was established, and the numerical analysis in non-uniform temperature field was made. The results show that the rheological parameters, such as drawing speed and fused temperature, have a tremendous influence on stress distribution and performance of optical fiber coupler, especially the influence of fused temperature. The change of fused temperature by 5 °C can lead to the change of the maximum stress by 30% and stress difference by 20% in the same cross section. The change of temperature gradient by 3% can result in the change of stress difference by 90%. In the present condition of rheological technology, rheological defects such as crystallizations and microcracks are easy to generate in the optical fiber coupler.

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Authors and Affiliations

  1. School of Mechanical and Electrical Engineering, Central South University, 410083, Changsha, China

    Shuai Ci-jun (Doctoral candidate), Duan Ji-an & Zhong Jue

Authors
  1. Shuai Ci-jun
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  2. Duan Ji-an
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  3. Zhong Jue
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Correspondence to Shuai Ci-jun.

Additional information

Foundation item: Project (50235040) supported by the National Natural Science Foundation of China; project (NCET-040753) supported by the New Century Excellent Talent in University; project (20050533037) supported by the Doctoral Program of Higher Education

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Shuai, Cj., Duan, Ja. & Zhong, J. Relationship between rheological manufacturing process and optical performance of optical fiber coupler. J Cent. South Univ. Technol. 13, 175–179 (2006). https://doi.org/10.1007/s11771-006-0152-z

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  • DOI: https://doi.org/10.1007/s11771-006-0152-z

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