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The refractive index distribution of Tl+-Na+ ion-exchanged glass waveguide optical splitter in branch district

机译:Tl + -Na +离子交换玻璃波导分光器在分支区的折射率分布

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摘要

The buried waveguide optical splitter is fabricated by Tl+-Na+ ion-exchange technology on BK7 glass substrates, and the refractive index distribution in branch district is analyzed by the interference method technology. The shape of the same refractive index distribution of the six successive different points in branch district is changed little by little from a semicircle to a half ellipse gradually, and finally separates into two semicircles. We also compare the experiment data by the interference method with the mathematical solution by two-dimensional diffusion equation. And the refractive index distribution is the 'improved' Gauss function. (C) 2006 Elsevier B.V. All rights reserved.
机译:利用Tl + -Na +离子交换技术在BK7玻璃基板上制备了埋入式波导分光镜,并采用干涉法分析了分支区的折射率分布。分支区域中六个连续不同点的相同折射率分布的形状逐渐从半圆逐渐变为半椭圆,最后分成两个半圆。我们还将干扰法的实验数据与二维扩散方程的数学解进行了比较。折射率分布是“改进的”高斯函数。 (C)2006 Elsevier B.V.保留所有权利。

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