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首页> 外文期刊>Journal of the Optical Society of America, A. Optics, image science, and vision >Electromagnetic analysis of axially symmetric diffractive optical elements illuminated by oblique incident plane waves
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Electromagnetic analysis of axially symmetric diffractive optical elements illuminated by oblique incident plane waves

机译:斜入射平面波照射的轴对称衍射光学元件的电磁分析

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摘要

We present an analysis of axially symmetric diffractive optical elements illuminated by off-axis or oblique incident plane waves. The analysis is performed with a finite-difference time-domain method that has been formulated to exploit axial symmetry yet accommodate off-axis illumination. This approach is compared with a full three-dimensional formulation and is found to be more efficient in both memory requirements and computational time. Validation and applications of this method are presented.
机译:我们对由偏轴或斜入射平面波照射的轴对称衍射光学元件进行分析。使用有限差分时域方法进行分析,该方法已被制定为利用轴向对称性但又适合轴外照明。将该方法与完整的三维公式进行了比较,发现在内存需求和计算时间上都更加有效。介绍了该方法的验证和应用。

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