纵向声波与光纤Bragg光栅相互作用中的悬浮芯尺寸效应

2013 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC) Pub Date : 2013-10-28 DOI:10.1109/IMOC.2013.6646539

Ricardo E. Silva, A. Hartung, M. Rothhardt, A. Pohl, H. Bartelt

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引用次数: 2

摘要

对悬浮芯光纤中纵向声波与Bragg光栅的相互作用进行了数值研究。将环芯由1 μm增大到6.6 μm，采用有限元法和传递矩阵法计算了环芯的力学性能和光栅性能。有趣的是，虽然芯内产生的应变随着芯直径的减小而增加，但布拉格光栅可实现的旁瓣反射率却降低了。

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Suspended core size effect in interaction of longitudinal acoustic waves and fiber Bragg gratings

The interaction between longitudinal acoustic waves and Bragg gratings is numerically investigated for suspended core fibers. The encircle core is increased from 1 to 6.6 μm and the mechanical properties and the grating properties are calculated using a finite element method and a transfer matrix method. Interestingly, while the generated strain in the core increases with decreasing core diameter, the achievable side lobe reflectivity of the Bragg gratings is reduced.

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来源期刊

2013 SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference (IMOC)

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