Experimental measurement and numerical analysis of fused taper shape for optical fiber coupler

来源期刊:中南大学学报(英文版)2007年第2期

论文作者:帅词俊 段吉安 钟掘

文章页码:251 - 251

Key words:optical fiber coupler; fused biconical taper; viscoelastic model; rheological shape

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.

基金信息:the National Natural Science Foundation of China
New Century Excellent Talents in University, China
the Doctoral Program of Higher Education, China

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