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首页> 外文期刊>Optical engineering >Approximate analytical method to evaluate diffraction crosstalk in free-space optical interconnects systems that use circular microlenses with finite uniform apertures
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Approximate analytical method to evaluate diffraction crosstalk in free-space optical interconnects systems that use circular microlenses with finite uniform apertures

机译:近似分析方法,用于评估使用具有有限均匀孔径的圆形微透镜的自由空间光学互连系统中的衍射串扰

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摘要

We propose an accurate analytical model to calculate the optical crosstalk of a first-order free space optical interconnects system that uses microlenses with circular apertures. The proposed model is derived by evaluating the resulted finite integral in terms of an infinite series of Bessel functions. Compared to the model that uses complex Gaussian functions to expand the aperture function, it is shown that the proposed model is superior in estimating the crosstalk and provides more accurate results. Moreover, it is shown that the proposed model gives results close to that of the numerical model with superior computational efficiency.
机译:我们提出了一种精确的分析模型,以计算使用带有圆形孔径的微透镜的一阶自由空间光学互连系统的光学串扰。通过根据无穷系列贝塞尔函数评估所得的有限积分来导出所提出的模型。与使用复杂的高斯函数扩展光圈函数的模型相比,表明该模型在估计串扰方面具有优势,并提供了更准确的结果。此外,表明所提出的模型给出的结果与数值模型的结果接近,并且具有较高的计算效率。

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