Soft X-ray zone plate is an important element which has the function of concentration, dispersion and imaging in soft X-ray optics.

软x射线波带片是软x射线光学中聚焦、色散和成像的重要元件。

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To solve the problem that the single structure stiffness matrix caused by the too big dispersion of element thickness between different levels, it proposed the adjustive method of relevant parameters.

为解决各层优化单元厚度相差太大，易造成结构刚度矩阵奇异的问题，提出对相应参数的调整方法。

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The dispersion and loss characteristics of groove guide with arbitrary shapes are analyzed with high-order finite element method.

本文用高次有限元法分析了任意形状槽波导的色散和损耗特性。

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It differs from its predecessor, the DP1x, because its lens now includes one "F" Low Dispersion glass element to correct aberrations, and its resolution has grown by moving from Foveon's 14.6-megapixel APS-C size image sensor to the 46-megapixel APS-C image sensor found in the company's flagship SLR, the Sigma SD1 Merrill.

ENGADGET: Sigma finally announces price and availability for DP1 Merrill compact